not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft ....

68
ifetional Bureau of Standards 1 Library, n.W. Bldg JAN 2 0 1964 ft CRPL-F 232 PART A FOR OFFICIAL USE not to be taken f, ary, PART A IONOSPHERIC DATA ISSUED DECEMBER 1963 SEE PAGE 55 FOR INDEX OF OBSERVED IONOSPHERIC DATA BEGINNING JANUARY 1957 U. S. DEPARTMENT OF COMMERCE NATIONAL BUREAU OF STANDARDS CENTRAL RADIO PROPAGATION LABORATORY BOULDER, COLORADO

Transcript of not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft ....

Page 1: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

ifetional Bureau of Standards 1 Library, n.W. Bldg

JAN 2 0 1964

ft

CRPL-F 232 PART A FOR OFFICIAL USE

not to be taken f, ary,

PART A

IONOSPHERIC DATA

ISSUED DECEMBER 1963

SEE PAGE 55 FOR INDEX OF OBSERVED

IONOSPHERIC DATA BEGINNING JANUARY 1957

U. S. DEPARTMENT OF COMMERCE NATIONAL BUREAU OF STANDARDS

CENTRAL RADIO PROPAGATION LABORATORY BOULDER, COLORADO

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Page 3: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

CRPL-F 232

PART A

NATIONAL BUREAU OF STANDARDS CENTRAL RADIO PROPAGATION LABORATORY

BOULDER, COLORADO

IONOSPHERIC DATA

CONTI. NTS

Page

Ionospheric Data. ii

Table of Smoothed Observed Zurich Sunspot Numbers . . iii

World-Wide Sources of Ionospheric Data . iv

Tables of Ionospheric Data . 1

Graphs of Ionospheric Data. 26

Index of Tables and Graphs of Ionospheric Data in CRPL-F232 (Part A). 51

Index by Issue Number of Observed Ionospheric Data Beginning with January 1957 Published in the CRPL-F (Part A) . 55 (See footnote following 1957 - 1958 index for data prior to 1957.)

Issued 31 Dec. 1963

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ii

IONOSPHERIC DATA

The CRPL-F series bulletins are issued as part of the

responsibility of the Central Radio Propagation Laboratory

for the exchange and distribution of ionospheric and related

geophysical data. Part A, "Ionospheric Data," and Part B,

"Solar-Geophysical Data," of the CRPL-F series present a variety

of data in convenient form for use in research in radio propa¬

gation and the ionosphere and in other geophysical problems.

The current form of the tables of ionospheric data provides

the monthly medians and, in addition, the number of values enter¬

ing into the median determination (count) for all ionospheric

characteristics listed. Also, when available, the upper and

lower quartile values indicated by UQ and LQ in the tables, are

listed for foF2, h'F2, h'F, and M(3000)F2. Quartile values are

not listed for the other characteristics because of space limita¬

tions. The tables are prepared by IBM machine methods.

Beginning with CRPL-F221, Part A, "Ionospheric Data," the

hourly median values for the graphs of critical frequencies and

M(3000)F2 were plotted by machine methods instead of manually,

as in earlier issues. Graphs of critical frequencies and

M(3000)F2 will continue to appear. Graphs of percentage of time

of occurrence for fEs and virtual heights of the regular iono¬

spheric layers are no longer included. Data on percentage of

time of occurrence of fEs above 3, 5, and 7 Me are available

from the CRPL and the IGY World Data Center for Airglow and

Ionosphere.

For many years, the tables of ionospheric data appearing in

the F series, Part A, listed values of medians recomputed at CRPL.

While this practice enforced a certain uniformity, it was subject

to some valid criticism for tampering with the original data. The

tables and graphs now show the ionospheric data as they are provided

by the originating laboratory. Responsibility for the accuracy and

reliability of the data rests entirely with the originator.

Medians of data for the U.S. stations are computed in accord¬

ance with the recommendations of the World-Wide Soundings Committee.

Data will appear in the F series. Part A, only when the complete

daily-hourly tabulations have been received by the CRPL or the IGY

World Data Center A for Airglow and Ionosphere.

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Ill

Information on symbols, terminology, and conventions may be found

in the "URSI Handbook of Ionogram Interpretation and Reduction, of the

World-Wide Soundings Committee," edited by W. R. Piggott and K. Rawer

(Elsevier, 1961), which supersedes previous documents. A list of symbols

is available from CRPL on request.

The following table contains the latest available information on

smoothed observed Zurich sunspot numbers, beginning with the minimum of

April 1954. Final numbers are listed through June 1962, the succeeding

values being based on provisional data.

Smoothed Observed Zurich Sunspot Number

Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct . Nov. Dec.

1954 3 4 4 5 7 8 8 10 12

1955 14 16 19 23 29 35 40 46 55 64 73 81

1956 89 98 109 119 127 137 146 150 151 156 160 164

1957 170 172 174 181 186 188 191 194 197 200 201 200

1958 199 201 201 197 191 187 185 185 184 182 181 180

1959 179 177 174 169 165 161 156 151 146 141 137 132

1960 129 125 122 120 117 114 109 102 98 93 88 84

1961 80 75 69 64 60 56 53 52 52 51 50 49

1962 45 42 40 39 39 38 36 34 32 31 30 30

1963 29 30 30 29 29

Units of Ionospheric Data Tables

foF2, foEs - - - Tenths of a megacycle

foFl, foE - - - Hundredths of a megacycle

h'F2, h'F, h'E - Kilometers

(M3000)F2 - - - Hundredths

NOTE: Occasionally, when the median falls between two of the observed

values, the median is carried an extra decimal place beyond these units.

Those cases are easily identifiable by the extra digit appearing to the

right of the number, in a column usually left blank.

MED - Median

CNT - Count

UQ - Upper Quartile

LQ - Lower Quartile

Page 6: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

IV

WORLD-WIDE SOURCES OF IONOSPHERIC DATA

THE IONOSPHERIC DATA GIVEN IN TABLES 1 TO 100 AND FIGURES 1 TO 100 WERE ASSEMBLED BY THE CENTRAL RADIO PROPAGATION LABORATORY FOR ANALYSIS, CORRELATION AND DISTRIBUTION, THE FOLLOWING ARE THE SOURCES OF THE DATA IN THIS ISSUE,

UNIVERSIDAD MAYOR DE SAN ANDRES LA PAZ, BOLIVIA

UNIVERSIDAD DE CONCEPCION CONCEPCIONs CHILE

DANISH NATIONAL COMMITTEE OF URSI NARSSARSSUAQ, GREENLAND

ICELANDIC POST AND TELEGRAPH ADMINISTRATION REYKJAVIK, ICELAND

UNITED STATES ARMY SIGNAL CORPS.* UNITED STATES OF AMERICA ADAKs ALASKA FT. MONMOUTH, NEW JERSEY GRAND BAHAMA la OKINAWA I. THULE* GREENLAND WHITE SANDS* NEW MEXICO

NATIONAL BUREAU OF STANDARDS, UNITED STATES OF AMERICA (CENTRAL RADIO PROPAGATION LABORATORY)

ANCHORAGE, ALASKA BARROW, ALASKA BYRD STATION, ANTARCTICA COLLEGE (FAIRBANKS)* ALASKA (GEOPHY INST OF UNIV OF ALASKA) HUANCAYO* PERU (INSTITUTO GEOFISICO DEL PERU) MAUI* HAWAII TALARA, PERU (INSTITUTO GEOFISICO DEL PERU) WASHINGTON* D.C.

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4

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6

a gasa FII FIs - i 1

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Page 16: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

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Page 21: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

? a

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16

Page 23: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

a asss .8 = ~5 310 22 320

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Page 24: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

18

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Page 25: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

!

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20

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Page 29: not to be taken f, ary,ifetional Bureau of Standards 1 Library, n.W. Bldg . JAN 2 0 1964 . ft . CRPL-F 232 PART A . FOR OFFICIAL USE . not to be . taken f, ary, PART A . IONOSPHERIC

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24

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2 5

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26 GRAPHS OF IONOSPHERIC DATA

75” W

Fig I . GRA ND BAHAMA I

2 6 - 6°N , 78 2°W JUNE 1963

I50”W

Fig. 2. MAUI , HAWAII

_2Q.8°N , 156, 5° W_JUNE 1963

45” W 75” W

Fig 3 NARSSARSSUAO , GREENLAND

6 I.2°N , 45 4° W MAY 1963

Fig 4 CONCEPCION , CHILE

36 6°S, 73 Q°W MAY 1963

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27

00 02 04 06 08 10 12 14 16 18 20 22 00cn ^ 1 '1 ^ | i | i | i | i | i | > i1r 1

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TIME 1 5° W

Fig 5 REYKJAVIK , ICELAND

64 l°N , 21 8° W APRIL 1963

45°W

Fig. 6 NARSSARSSUAQ , GREENLAND

61.2°N , 45.4°W APRIL 1963

180° W

Fig. 7. ANCHORAGE , ALASKA

6 1.2°N , 149.9°W APRIL 1963

Fig. 8 ADAK , ALASKA

51.9°N , 176. 6° W APRIL 1963

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28

Fig 9 FT MONMOUTH , NEW JERSEY

40 4°N, 74 l°W_APRIL 1963

Fig 10 WASHINGTON , D C

38.7° N , 77. I°W_APRIL 1963

Fig II WHITE SANDS, NEW MEXICO

3 2.3° N, 106.5°W APRIL 1963

Fig 12. GRAND BAHAMA I

26 6°N, 78 2°W APRIL 1963

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29

Fig 13 OKINAWA I

_26_ 3°N , 127.8°E_APRIL 1963

150'W

Fig 14 MAUI , HAWAII

20 8°N, 156 5°W_APRIL 1963

Fig.15. CONCEPCION , CHILE

36.6°S , 73.0° W APRIL 1963

75°W

Fig. 16. THULE , GREENLAND

76 4°N, 68 3°W MARCH 1963

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30

I50°W

Fig 17 BARROW , ALASKA

7I.3°N, 156 8° W MARCH 1963

I5°W

Fig 19 REYKJAVIK , ICELAND

64.1° INI, 2 I 8° W MARCH 1963

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31

I50'W

Fig 21. ANCHOR AGE , ALASKA

_61. 2°N , 149.9°W_MARCH 1963

I80°W

Fig 22. ADAK , ALASKA

51. 9°N, 176.6° W_MARCH 1963

75° W I05”W

Fig.23. WASHINGTON , D C.

38.7°N , 77 l°W MARCH 1963

Fig. 24 WHITE SANDS, NEW MEXICO

32 3°N , 106 5°W_MARCH 1963

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32

75“ W

Fig 25 GRAND BAHAMA I

26 6°N , 78 2°W MARCH 1963

I35°E

Fig 26. OKINAWA I

26 3°N , 127 8°E MARCH 1963

150“ W 75“ W

Fig 27 MAUI , HAWAII

20.8°N , 156.5° W MARCH 1963

Fig . 28 HUANCAYO , PERU

12.0'S, 75 3°W MARCH 1963

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33

75” W 150” W

Fig 29 THULE, GREENLAND

76 4°N , 68.3°W FEBRUARY 1963 Fig 30 BARROW, ALASKA

7 I ,3°N , 156.8° W FEBRUARY 1963

I50”W

Fig.31 COLLEGE (FAIRBANKS) , ALASKA

64,9°N , 147 8° W FEBRUARY 1963

I5”w

Fig.32. REYKJAVIK, ICELAND

64I°N,2I8°W FEBRUARY 1963

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34

45°W

Fig 33. NARSS ARSSUAQ , GREENLAND

6I.2°N, 45 4°W FEBRUARY 1963

180° W

Fig 35 ADAK , ALASKA

51.9°N , 176 . 6°W_FEBRUARY 1963

150'W

Fig 34 ANCHORAGE, ALASKA

61.2°N , 149.9°W_FEBRUARY 1963

7 5°W

Fig 36 FT. MONMOUTH , NEW JERSEY

40.4°N , 74 1° W_FEBRUARY 1963

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35

7 5° W

Fig ,37 WASHINGTON , D C

38.7° N , 77.1° W FEBRUARY 1963

Fig 38 WHITE SANDS, NEW MEXICO

_32 3°N , 106.5° W_FEBRUARY 1963

75” W

Fig.39. GRAND BAHAMA I.

26.6°N , 78.2° W_FEBRUARY 1963

Fig. 40. OKINAWA I.

26 3°N , 127 8°E FEBRUARY 1963

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36

150° W

Fig 41 MAUI , HAWAII

20 8°N , 156. 5°W_FEBRUARY 1963

75° W

Fig . 42. HUANCAYO , PERU

I2.0°S , 75.3"W FEBRUARY 1963

75° W 75° W

Fig 43 CONCEPCION , CHILE

36 6°S , 7 3.0°W FEBRUARY 1963

Fig 44 THULE , GREENLAND

76.4°N , 68 3°W JANUARY 1963

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37

Fig 45. BARROW , ALASKA

71 3° N , 156.8°W_JANUARY 1963

Fig 46. COLLEGE (FAIRBANKS), ALASKA

64.9°N , 147 8°W JANUARY 1963

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38

150° W

Fig 49 ANCHORAGE , ALASKA

61.2°N , 149.9” W JANUARY 1963

180° W

Fig 50. ADAK , ALASKA

51 9°N, 176 6°W JANUARY 1963

0 02 04 06 08 10 12 14 16 18 20 22 00cn | i | i | i | i | i | i 1 1 1 1 1 1

CM

5 « 4.0 o ./ --...-..

~ 3,0 -" ' - 30

20 20

f0 r2 X-X-X f0 E o- .o-.-o

~ i i □ □ □ uT

200 20.0 1-INTERPOLATED VALUE 1

>,

2

5 150 - 150

>-

2 D O -

£ 100 - 10.0

, - <x o i- q: o

50 /-■ X — 5.0 Sc

/

/

l III,111)1 1 1 1 1_1 1 1 1_1_1 , 1 1 w00 02 04 06 08 10 12 14 16 18 20 22 00v

TIME 75° W

Fig 51 FT MONMOUTH, NEW JERSEY

40 4°N , 74 1° W JANUARY 1963

75" w

Fig 52. WASHINGTON , D. C.

38 .7°N , 77 I'W JANUARY 1963

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I05°W

Fig. 53 WHITE SANDS, NEW MEXICO

32.3°N, 106.5°W_JANUARY 1963

75° W

Fig. 54. GRAND BAHAMA I.

_2 6.6°N , 78 2°W_JANUARY 1963

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40

75° W

Fig 57 TALARA , PERU

4 6°S , 81 3°W_JANUARY 1963

75" w

Fig 58. HUANCAYO, PERU

12 0°S , 75.3° W_JANUARY 1963

120” w

Fig, 59 BYRD STATION, ANTARCTICA

80 0°S, 120 0°W JANUARY 1963

75" w

Fig. 60. THULE , GREENLAND

76 4°N , 68 3°W_DECEMBER 1962

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41

I50“W

Fig 61. BARROW , ALASKA

71 3°N, 156.8° W_DECEMBER 1962

150" w

Fig 62 COLLEGE (FAIRBANKS), ALASKA

64.9°N , 147 8°W DECEMBER 1962

45" W

Fig. 63. NARSSARSSjAQ , GREENLAND

6 I 2°N , 45 4° W DECEMBER 1962

150“ W

Fig 64 ANCHORAGE , ALASKA

61 2°N , 149.9°W DECEMBER 196 2

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42

180" W

Fig 65 ADAK , ALASKA

5 I . 9°N , 176 6° W_DECEMBER 1962

Fig 66. FT MONMOUTH , NEW JERSEY

40 4°N , 74 l°W DECEMBER 1962

Fig 6 7 WASHINGTON, D C

38.7°N , 77 l°W DECEMBER 1962

Fig 68. WHITE SANDS, NEW MEXICO

32 3°N , 106.5° W DECEMBER 1962

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7 5" W

Fig.69, GRAND BAHAMA I

26 6°N , 78 2°W DECEMBER 1962

75” W

Fig 71 TALARA , PERU

4 6°S, 81 3°W_DECEMBER 1962

150" W

Fig 70 MAUI , HAWAII

20 8°N , 156 5° W DECEMBER 1962

Fig 72 HUANCAYO , PERU

12 0°S, 75.3°W DECEMBER 1962

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44

60° W

Fig 73 La PAZ , BOLIVIA

_16 5°S , 68. I°W_DECEMBER 1962

TIME 120° w

Fig 74 BYRD STATION, ANTARCTICA

80 0°S, 120 0° W DECEMBER 1962

Fig 75 BARROW, ALASKA 7 1.3°N , 156 B° W NOVEMBER 1962

Fig. 76 ADAK , ALASKA 51 9°N , 176 6° W NOVEMBER 1962

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75" W

Fig 79. GRAND BAHAMA I

26 6°N, 78 2°W_NOVEMBER 1962

60" w

Fig 80 La PAZ , BOLIVIA

16.5°S , 68 l°W NOVEMBER 1962

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46

Fig 81 THULE , GREENLAND

76 .4° N , 68.3° W OCTOBER 1962

.00 02 04 06 08 10 12 14 16 5.0

4.0

10 -

20 2 2 00,

'O r2 F,

x—«—» <o E

°——o f„E«

o--. O■•■0

i-INTERPOLATED VALUE

"\ :

i i i i i i i 00 02 04 06 08 10 12

TIME 45" W

Fig 83. NARSSARSSUAO , GREENLAND

61.2'N , 45. 4° W

16 18 20 22 00

OCTOBER 1962

TIME 150" W

Fig 82 BARROW , ALASKA

71.3°N , 156.8° W OCTOBER 1962

150"W

Fig 84 ANCHORAGE, ALASKA

61 2°N, 149.9°W_OCTOBER 1962

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47

Fig 85. OKINAWA I.

26 3° N , 127 8° E_OCTOBER 1962

60°W

Fig 87. La PAZ , BOLIVIA

16. 5°S, 68 l°W_OCTOBER 1962

150" W

Fig 86. MAUI , HAWA II

2 0 8°N , 156 5°W_OCTOBER 1962

45“ W

Fig 88. NARSSARSSUAQ , GREENLAND

61 2°N , 45 4°W SEPTEMBER 1962

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48

I50”W

Fig 89 ANCHORAGE , ALASKA

61.2°N , 149 9° W SEPTEMBER 1962

Fig.90. FT MONMOUTH , NEW JERSEY

40.4°N, 74 l°W SEPTEMBER 1962

105” W 45“W

Fig.91 WHITE SANDS, NEW MEXICO

3 2.3° N , 106.5°W SEPTEMBER 1962

Fig 92, NARSSARSSUAO , GREENLAND

61. 2°N , 45 4° W_AUGUST 1962

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49

Fig. 9 5. NARSSARSSUAQ , GREENLAND

61 2°N,45 4°W JULY 1962

75" W

Fig. 96. FT MONMOUTH, NEW JERSEY

40.4°N , 74 TW JULY 196 2

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50

150-W

Fig 97. ANCHORAGE, ALASKA

61 2°N , 149 9°W _JUNE 196 2

I50°W

Fig 98 ANCHORAGE , ALASKA

61 2°N , 149.9°W MAY 1962

45°W

Fig 99 NARSSARSSUAQ , GREENLAND

61 2°N, 45 4°W FEBRUARY 1962

I20°W

Fig, 100. BYRD STATION, ANTARCTICA

80 0°S , 120.0°W_JANUARY 1962

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51

INDEX OF IONOSPHERIC DATA IN CRPL F232

PAGE TABLE FIGURE

ADAK, ALASKA 1962 NOV. 19 44 1962 DEC. 17 42 1963 JAN. 13 38 1963 FEB. 9 34 1963 MAR. 6 31 1963 APR. 2 27

ANCHORAGE» ALASKA 1962 MAY 25 50 1962 JUNE 25 50 1962 AUG. 24 49 1962 SEPT. 23 48 1962 OCT. 21 46 1962 DEC. 16 41 1963 JAN. 13 38 1963 FEB. 9 34 1963 MAR. 6 31 1963 APR. 2 27

BARROW* ALASKA 1962 OCTe 21 46 1962 NOV. 19 44 1962 DEC. 16 41 1963 JAN. 12 37 1963 FEB. 8 33 1963 MAR. 5 30

BYRD STATION* ANTARCTICA 1962 JAN. 25 50 1962 DEC. 19 44 1963 JAN. 15 40

COLLEGE (FAIRBANKS)* ALASKA 1962 DEC. 16 41 1963 JAN. 12 37 1963 FEB. 8 33 1963 MAR. 5 30

CONCEPCION, CHILE 1963 FEB. 11 36 1963 APR. 4 29 1963 MAY 1 26

FT. MONMOUTH, NEW JERSEY 1962 JULY 24 49 1962 SEPT. 23 48 1962 NOV. 20 4 5 1962 DEC. 17 42 1963 JAN. 13 38

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52

INDEX OF IONOSPHER

FT* MONMOUTH. NEW JERSEY

GRAND BAHAMA I.

HUANCAYO. PERU

LA PAZ» BOLIVIA

MAUI. HAWAII

NARSSARSSUAQ * GREENLAND

*

DATA IN CRPL F232

PAGE TABLE FIG

1963 FEB* 9 34 1963 APR* 3 28

1962 NOV* 20 45 1962 DEC. 1 o 43 1963 JAN © i M- 3 9 1963 FEB. 10 3 5 1963 MAR® 7 3 ^

1963 A P R ® 3 1963 JUNE 1 f’ 4 O

1962 DEC 9 18 4 A

1963 JAN© 15 40 1963 FEB. 11 A A

J v>

1963 MAR. 7 32

1962 OCT* 2 2 4 i

1962 NOV. 20 4 3

1962 DEC * 19 44

1962 OCT. 22 47 1962 DEC* 18 43

1963 JAN ® 14 39 1963 FEB. 11 36 1963 MAR. 7 32 1963 APR. 4 29 1963 JUNE 1 26

1962 FEB. 25 50 1962 JULY 24 49 1962 AUG. 23 48 1962 SEPT. 22 47 1962 OCT* 21 46 1962 DEC. 16 41 1963 JAN. 12 t> t

1963 FEB. 9 34

1963 MAR. 5 3 0 1963 APR. 2 27 1963 MAY 1 26

1962 OCT. 22 47 1963 JAN. 14 39 1963 FEB. 10 35

OKINAWA I

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53

INDEX OF IONOSPHERIC DATA IN CRPL F232

PAGE TABLE FIGURE

OKINAWA I.

REYKJAVIK. ICELAND

TALARA. PERU

THULE* GREENLAND

WASHINGTON. D.C.

1963 MAR « 7 32 1963 APR® 4 29

1963 JAN® 12 37 1963 FEB ® 8 33 1963 MAR a 5 30 1963 APR® 2 27

1962 DEC® 18 43 1963 JAN® 15 40

1962 OCT® 21 46 1962 DEC® 15 40 1963 JAN® 11 36 1963 FEB® 8 33 1963 MAR® 4 29

1962 DEC® 17 42 1963 JAN ® 13 38 1963 FEB* 10 35 1963 MAR ® 6 31 1963 APR® 3 28

1962 AUG® 24 49 1962 SEPT® 23 48 1962 NOV® 20 45 1962 DEC® 17 42 1963 JAN® 14 39 1963 FEB® 10 35 1963 MAR® 6 31 1963 APR® 3 28

WHITE SANDS. NEW MEXICO

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INDEX BY ISSUE NUMBER OF OBSERVED IONOSPHERIC DATA BEGINNING WITH JANUARY 1957* PUBLISHED IN THE CRPL-F(PART A) 55

Station 1957* 1958

J F M A M J Jy A s 0 N D J F M A M J Jy A s 0 N D

Adak, Alaska 153 154 155 155 156 158 159 159 162 163 164 165 166 166 168 168 169 170 171 173 172 174 175 176 Ahmedabad, India NR _ -NP- — — 170 176 177 213 214 214 214 224 191 NP 224 222 NP 222 223 215 NP 222 NP

Akita, Japan Alert, Canada

155 155 157 157 158 161 163 162

191

163

175 164 213

165 213

166 213

168

190

168

190 170 190

178 191

172 213

173 179 179 180 215

180 212

182 194

183 194

Alma-Ata, USSR 155 NP 157 161 168 164 170

Anchorage, Alaska 152 152 155 155 156 158 159 160 162 163 163 165 165 165 167 167 169 170 171 171 172 172 176 175 Ashkhabad, USSR 155 NP 160 167 168 NP 170

Baguio, P. I. 154 155 155 156 158 159 161 162 162 163 164 166 167 167 168 168 169 170 171 171 172 173 176 177 Baker Lake, Canada 154 155 156 157 158 159 160 162 163 163 165 165 166 167 178 177 171 178 179 174 179 181 181 183

— 194 194 197 197 211 1 9Q ?nn ?m ?n? ?n? 9 m

Bogota, Colombia 174 161 167 176 ND- 179 180 181 178 183 181 183 178 183 181 178 178 Bombay, India 169 176 177 213 214 214 214 224 191 NP 224 222 NP 222 223 215 NP 222 NP Boulder, Colorado Brisbane, Australia

187 181

187 183 156 166 158 158 158 159 160 162 163 164 165 169 169 169 176 177 172 177 173 174 174 181

Budapest, Hungary 212 212 212 212 188 159 161 162 167 166 169 169 170 178 176 178 212 212 212 191 212 212 182 NP Buenos Aires, Argentina Bunia, Congo

154 156 156 157 -NR- — — -NR- — 162

213

165

213

166 189 169

189 171

212 174

190

177 189 174

190 178

190

179 190

179

212

179

212

180 212 182

191 183

172 179 179 Byrd Station 181 179 179 180 180 181 181 183 184 183 184 184 188 188 189 Calcutta, India — — -NR- — — 170 176 177 213 214 214 214 224 191 NP 224 222 NP 222 223 215 NR 222 NP Campbell I. 219 180 174 173 -NP- — 161 162 163 167 165 166 168 172 NR NP 174 177 174 217 180 180 183 204 Canberra, Australia

Cape Canaveral, Florida

213 213 213 173 NP 159 160 161 162 164 165 166 169 169 169

188

177

189

172

189 173

189

174

175

174

190

176

187

181

189 216

189

216

189 161 162 175 167 167 169 213 170 171 Cape Hallett 176 177 172 181 179 174 179 180 182 183

Capetown, Union of S. Africa

Casablanca, Morocco 154 216

155 216

156 216

157 216

158

216

160 216

161 219

162

219

163 213

164 213

165 219

166 219

166 196

169 176 172 172 229 178 230 180 180 182 183

169 169 170 170 176 178 184 184 184 184 185 Chiclayo, Peru 164 165 164 164 165 167 169

Chimbote, Peru 164 165 166 167 169 169 170 170 170 170 170 170 170 175 176 176 178 177

Chita, USSR 157 167 168 NP

Christchurch, New Zealand 154 157 156 159 159 166 161 162 163 167 170 167 168 168 176 177 171 177 179 175 179 181 183 184 Churchill, Canada 154 155 156 158 158 159 160 161 164 166 165 166 166 167 169 178 172 172 174 178 180 181 183 183 Clyde, Baffin I. 213 TIT 213 216 TW 194 215 215 215 216 216 216

187 188 188 Concepcion,Chile 184 171 173 173 174 174 174 174 189 183 186 188 Dakar, French W. Africa 216 216 216 216 216 216 219 219 213 213 219 219 195 193 195 197 197 211 199 200 201 202 202 203 De Bilt, Holland 154 155 156 156 156 159 159 160 163 163 166 165 166 169 168 178 171 172 174 175 180 180 182 183 Decepcion I. _ _ -NR- _ _ — 170 177 213 213 213 NR 213 213 195 195 213 213 198 200 201 202 202 217

Delhi, India -NP- 169 176 177 213 214 214 214 224 191 NP 224 222 NP 222 223 215 NP 222 NP Djibouti, French Somaliland

Dourbes, Belgium

216 216 216 216 216 216 219 162

219 214

213 214

213 198

219 166

219 214

195 198

195

216

195

230

197 195

197

230 NR

230

-NR- 199 216

201

230

202

216

202 202

203 198

El Cerillo, Mexico 182 183 Elisabethville, Congo 154 157 157 158 158 161 161 162 161 162 165 168 169 169 170 177 174 178 178 179 179 180 182 184 Ellsworth, Antarctica 171 172 171 165 171 171 171 178 178 178 178 178 178 178 178 178 179 178 179 Eureka, Canada Fairbanks, Alaska (College)

214 -NR- 159

214 214 214 192 193 194 178 230 169

229 171

217 217 230 172

216 196 176

195

176 152 153 155 156 157 157 159 162 163 164 165 165 165 168 168 171 172 173 Falkland Is. (Port Stanley)

Fletchers Ice I. 157 160 160 164 164 164 163

161 163 162

164 161

164 162

166 164

166 164

169 167

169 167

171 168

172

169 172 170

173 172

174 174

174 175

176 173

181 174

181

177 182

Formosa, China (Taipei) 154 155 153 157 158 158 157 158 160 160 162 165 167 169 169 171 171 178 174 179 180 181 182 182 Ft. Monmouth, New Jersey 152 154 155 155 156 157 160 161 162 162 164 165 165 167 168 169 169 171 174 176 175 173 174 177 Freiburg, Germany Frobisher, Canada

219 219 219 190 190 190 178 179 180 214

214 214

214

214

214 192 193 198 -NR-

195 198 198 230

189

216

198 NR

230

230 181

216 184

216 184 195

Genoa, (Monte Capellino), Italy — ■ -NP- — 175 175 175 175 177 — -NP- . — — -NP- — 175 175 175 -NP- — 176 183 183 183 Godhavn, Greenland Grahamstown, Union of S. Africa

158 158 158 158 163 161 161 161 162 164 172 172 171 171 171 178

171

178

171

178 171 178

172 174

173

192

175

189

177 NP

184 184

184

184 Grand Bahama I. 159 159 161 162 163 165 165 165 167 169 170 170 171 171 175 174 174 176 177 Graz, Austria Halley Bay

151 152 156 156 155 159 161

211

161 -NP-

160 161 202

165 202

165

204

225

204 165

206

187

212

225

211 168 212

176 211

173

212 175 212

176

217

225

213

NP 183

Hobart, Tasmania Hollandia, Netherlands New Guinea

158 168 171 171 159 159 162 162 163 163 166 168

215 171 169 169 178 192

197

173

198 173

199

175 199

190 200

181 202

182

202 183 203

Huancayo, Peru 155 155 157 158 158 158 159 163 164 164 165 165 167 167 168 169 169 170 170 176 176 176 176 176 Ibadan, Nigeria 161 160 173 173 173 173 164 211 170 168 170 169 170 173 173 173 172 173 174 178 191 181 204 191 Inverness (Fraserburgh), Scotland 156 160 160 160 160 160 161 163 163 164 165 166 167 168 170 204 171 204 173 203 176 180 181 183 Irkutsk, USSR 155 NP 160 164 NR

Johannesburg, Union of S. Africa 154 155 157 157 158 160 160 162 163 164 166 166 166 169 176 172 172 178 179 176 180 180 182 183 Juliusruh/Rugen, Germany 160 167 160 163 163 163 215 215 215 217 192 229 217 NP 197 230 198 229 217 216 229 Kerguelen I. 213 213 196 199 199 198 211 211 211 211 211 211 205 212 212 212 212 212 217 217 217 217 217 217 Kiruna, Sweden 154 155 156 156 158 158 158 159 160 164 165 166 166 165 169 172 168 173 178 179 183 180 182 182 Kodaikanal, India La Paz, Bolivia

LaQuiaca, Argentina

... . --NR .... — 171 176 177 213 214 165

214

178

214

175 224 175

191 175

NP 175

224 175

222 175

NP 175 190

222 174

192

223 175 191

215 181

192

NR 180

222

179 NP

186

Leningrad, USSR 155 NP 157 162 168 164

Leopoldville, Congo 154 157 157 158 158 161 161 162 161 162 165 166 167 169 170 177 174 178 178 179 180 180 182 183 Lindau/Harz, Germany 154 155 156 157 159 159 163 167 167 167 172 167 168 171 177 178 178 178 178 190 198 204 205 203 Little America Lulea, Sweden

177 176 176 177 177 179 180 180 182 183 184 184 184 184 179

185 176

184 180

184 182

184 183 154 155 155 196 197 211 162 162 164 214 192 213 190 193 190 209 190 190 190

Lwiro, Congo 192 196 196 196 197 211 189 189 189 214 ND 214 189 190 NP 211 211 211 190 194 194 194 194 194 Lycksele, Sweden 152 152 153 157 158 159 158 159 160 160 162 166 167 165 171 178 172 178 178 178 180 180 182 183 Macau --NR- -NP- 183 Macquarie I. 171 -NP — 173 172 173 171 177 166 168 170 213 217 -NR- — NP 198 197 217 NP ND 217 217 ND Madras, India Marion I.

171 176 175

177 211

213 211

214 212

214 212

214 212

224

212 191 212

NP

212

224 NR

222

212

NP 222 223 215 NP 222 NP

Maui, Hawaii 152 152 154 155 156 156 159 159 161 162 164 164 166 166 167 167 168 169 170 171 172 173 174 177 Mawson 217 --NR-

NP NR 166 164 166 165 165 NR 190 190 —NP- NP 196 194 216 216 193 Meanook, Canada 193

Monte Capellino (Genoa), Italy — —NP — 175 175 175 175 177 —NP — — — —NP- — 175 175 175 -NP- ---- 176 183 183 183 Moscow, USSR 155 169 157 161 163 163 170 171 169 169 170 171 172 169 171 174 -NP- — 173 ---- -NP- — — 183 Murmansk, USSR Nairobi, Kenya

167 NP

167

155

167

156

167

157

-NR

158 — 170 NP 201 202 202 204 -NP 211 211 -NP- -NP- — 201 202 -NP-

Narssarssuaq, Greenland Natal, Brazil

152 153 155 167 NP ND ND 168 169 164 164 164 166 167 168

172

168

171

169 NP

170 172

171

173

172

176

172

183

181

189 179

185 179 188

Nurmijarvi, Finland 154 155 156 156 187 187 159 161 160 164 166 165 166 168 171 177 172 172 174 190 176 180 181 183 Okinawa I. 152 153 154 155 156 157 160 160 162 163 164 165 167 167 168 168 169 171 171 175 172 174 176 176 Oslo, Norway 152 152 153 157 155 159 160 160 161 164 165 164 167 168 176 177 178 178 179 179 180 180 182 182

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56

Station

Ottawa, Canada

Panama Canal Zone

Paramaribo, Surinam Point Barrow, Alaska (Barrow)

Poitiers, France Pole Station

Port Lockroy Providenie Bay, USSR Pruhonice,Czechoslovakia

Puerto Rico (San Juan), W. I. Rabat, Morocco Rarotonga I. Resolute Bay, Canada

Reykjavik, Iceland

Rome, Italy Rostov-on-Don, USSR St. John's, Newfoundland Salehard, USSR

Salisbury, Southern Rhodesia San Francisco, California

San Juan, Puerto Rico

San Salvador I.

Sao Paulo, Brazil Schwarzenburg, Switzerland* Scott Base

Simferopol, USSR Singapore, British Malaya

Slough, England

Sodankyla, Finland Sottens. Switzerland*_ Soya (Japanese Ship)

Svalbard, Norway

Sverdlovsk, USSR

Tahiti, Society Is. Talara, Peru Tamanrasset, French W. Africa Tananarive, Madagascar

Terre Adelie Thule, Greenland_ Tiruchy, India

Tokyo, Japan Tomsk, USSR Tortosa, Spain

Townsville, Australia Trelew, Argentina Trivandrum, India

Tromso, Norway Tsumeb, South W. Africa

Tucuman, Argentina_ Uppsala, Sweden Ushuaia, Argentina

Victoria, Canada Wakkanai, Japan

Washington, D. C. Watheroo, W. Australia

White Sands, New Mexico Wilkes Station, Antarctica Winnipeg, Canada

Yakutsk, USSR Yamagawa, Japan

Yellowknife, Canada

J F M A M J

154 155 155 157 158 159 153 154 154 155 156 158

152 152 154 155 156 158 216 216 216 216 216 216

158 158 NR 196 195 195 -NP- 160 161 168 NP

152 152 154 156 156 156

154 169 154 155

154 155

155 NP

— 154

157 158

155 158

155 156

160 167 154 156

160 161 158 159

157 157

168 NP

157 157

152 153 155 155 156 158

152 152 154 156 156 156

214 214 154 155

157 NP

158 161

156 157

214 214

156 157 156 158

157 161

160 160 158 160

214 219 158 159

158 161

NR 164

164 164

160 160

154 155 156 157 158 159 NP 206 -NP--NR-

155 NP 160 161 168 164

158 155 158 158 158 159 216 216 216 216 -NR-

216 216 216 216 216 216 216 NR 196 199 198 198

152 153 155 155 157 158 -NP. 169

156 155 157 157 158 161 155 NP 157 161 NR 164

158 158 158 158 158 160

.171 154 155 156 157 158 159

154 152 153 156 155 159

155 155 157 157 158 161

150 151 152 153 154 155

154 155 156 156 157 159

152 153 154 156 156 158

154 155 156 157 158 159 NP 157 157 167 168 164

156 155 157 157 158 161

1957

Jy A S 0 N D

160 160 163 164 165 166 160 161 161 162 164 165

162 166 169 214 213 213 159 161 162 163 164 165

219 219 213 213 219 219 172 173 173 173 171 164

219 177 189 190 189 190 -NP-

159 160 162 162 164 165

161 162 163 168 170 168 161 161 163 163 165 165

159 162 162 163 164 165

. 169 170.NP.

159 160 161 162 164 165 170 -NP--NR- NP

159 161 173 169 170 170

159 160 162 162 164 165

161 162 163 166 170 166

159 159 160 166 166 165 160 162 163 167 169 167 -NP- NR

164 164 163 164 187 189

161 162 167 164 166 169 — 162 163 168 168 168

159 159 160 166 166 165 -NR-

166 166 208 208 214 214

170 177 -NP.

. 219 163 163 163 165 165 165 219 219 213 NR 219 NR

219 219 213 213 219 219 211 211 211 211 211 211

160 161 162 162 164 165 176 177 '213 214 214 214

163 162 163 164 165 166 170.NP. 174 164 .NP-166 160 162 164 164 166 168

176 177 213 214 214 214 159 160 161 163 163 165

171 212 215 212 212 212

170 177 214 214 214 214 158 158 160 161 164 165 . 215 ND 174 163 163 164 169 167 163 162 163 164 165 166

158 160 161 162 163 163

161 160 163 164 166 166

159 160 162 163 164 165 177 177 178 178 178 178

159 162 163 163 165 165 -NP-

163 162 163 164 165 166

. 215 215 Yuzhno-Sakhalinsk, USSR 157 167 168 NP •NP'

1958

J F M A M J

166 167 177 208 171 172

166 167 167 168 169 170

192 193 194 195 197 198 165 167 167 167 169 170

195 194 195 197 197 211 180 180 182 182 183 183

189 189 189 195 197 211 -NP-

. 224 224 167 167 168 169 169 170 — 193 195 197 197 211 167 168 176 177 177 178

166 167 168 170 172 172

167 167 168 170 170 170 166 173 171 174 172 172

NP NR-NP-

166 167 167 168 169 170 -NP..-

NP 219 NP 219 219 219

169 170 170 170 171 172

167 167 168 169 169 170

171 171 176 177 173 192 167 168 169 173 172 172

166 171 176 177 172 172 -NP-

191 191 189 172 172 173

168 171 169 170 172 173 167 168 171 171 172 178 167 168 169 173 172 172 -NR-

192 192 208 190 191 190 -NP..

195 193 195 197 197 211

166 168 168 170 170 170 NR 193 195 197 197 211

195 194 195 197 197 211 205 212 212 212 212 212

165 167 168 168 170 173 224 191 NP 224 222 NP

168 169 170 178 172 173 -NP-

.NP.174 NP 169 183 176 177 178 173

. 194 216 219

224 191 NP 224 222 NP 166 168 176 177 179 178

198 195 194 197 193 198 216 189 216 190 215 215 168 165 169 170 168 178

NP 193 191-ND- NP 215 215 215 215 NP

168 168 170 178 172 173

166 166 166 167 169 169 168 169 176 187 172 178

167 167 168 168 170 170 180 182 NP ND 183 183

166 166 177 177 172 178 .---NP-

168 168 170 178 172 173 -NP-194-NR-

.-NP--

Jy A S 0 N D

174 179 179 180 182 182

170 171 172 173 174 177

198 200 201 212 202 203 171 172 172 175 176 177 199 200 201 202 202 203 183 183 184 184 190 191

199 200 NP 205 203 191 NR-NP-

.NP.217 219 170 171 172 173 174 177 199 200 201 202 203 203 179 178 180 180 181 183

174 179 179 180 181 182 171 172 174 174 176 177

174 179 180 181 181 183 -NP--

175 175 172 174 174 177 .NP.

217 217 219 216 217 NP

173 173 174 179 177 177

170 171 172 173 174 177

. 188 188 192 194 216 216 216 216 173 179 179 181 181 183

178 178 180 181 182 204 -NP-

174 176 176 181 181 182

174 203 179 180 183 183 173 179 180 180 182 182

173 179 179 181 181 183 -NR--NP-

190 196 213 208 202 215 -NP-

199 200 201 202 203 203

171 175 176 177 178 176 199 201 201 202 203 NR

200 200 201 202 203 203 217 217 217 217 217 217 175 175 175 174 174 177 222 223 215 NP 222 NP

179 179 180 180 182 183 -NP-

NP 179 179 .NP-

175 190 215 180 181 182 192 191 191 215 215 215

222 223 215 NP 222 NP 173 179 176 180 182 182

198 200 200 202 203 203 192 192 192 215 215 215

179 179 180 180 182 183 192 ND 192 215 215 215

NP 216 224 216 216 191

179 179 180 180 182 183 170 171 172 173 174 175 178 175 176 181 183 182

172 172 173 174 176 177 184 184 184 NP 184 184

173 179 179 181 182 182 ---.NP-

179 179 180 180 182 183

215 215 215 215 192 193

.NP.

* Sottens as of July 1959; Schwarzenburg prior to that.

Code: NR = No data received. NP = Data not published.

ND = No data in existence. -- = (Without letter symbol) station not operating.

# Data prior to 1957 and published in 1963 (CRPL-F221, Part A, through F232, Part A) are in the following issues:

Casablanca, Morocco, November 1956 - F223. Decepcion I., Antarctica, November 1955 - in F229. Godley Head (Christchurch), New Zealand, August 1955 - in F230.

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57 Station 1959 I960

J F M A M J Jy A s 0 N D J F M A M J jy A s 0 N D

Adak, Alaska 179 179 181 182 183 183 185 186 187 187 187 188 189 190 192 195 196 215 210 211 212 212 202 203

Ahmedabad, India 205 206 210 213 218 220 218 217 220 220 220 220 222 227 219 223 224 225

Akita, Japan 185 186 186 187 188 188 207 210 215 209 205 204 206 193 194 195 196 198 199 199 200 201 202 203

Anchorage , Alaska 179 179 181 181 183 185 186 186 184 187 187 188 189 189 190 195 215 216 210 211 212 212 203 203

Baguio, Luzon Baker Lake, Canada

179 184

179 185

181 182 183 186 183 186 186 187 187 188 189 189 190 207 215 216 210 211 212 212 213 214

Bangui, Central African Republic 222 222 222 223 223 223 230 230 230

Bogota, Colombia 184 184 185 184 184 NR 189 190 192 189 188 190 NR 217

Bombay, India 205 206 210 213 218 220 218 217 220 220 220 220 222 227

Boulder, Colorado 189 189 189 189 189 189 189 187 NP 188 188 189 189 189 192 194 193 215 210 211 212 213 202 203 Brisbane, Australia 184 184 185 185 188 189 204 190 192 204 204 191 204 205 206 223 196 197 NR 199 200 201 225 225 Budapest, Hungary NP 193 189 185 188 198 190 193 210 204 203

Buenos Aires, Argentina 192 NR 194 195 197 198 198 199 200 201 202 204 NP 208 225 224 224 224 225 225 225 Bunia, Congo 186 186 185 187 188 189 NP 191 193 209 204 202 192 193 195 196 196 224 227 227 227 227 227 NR

Byrd Station 190 191 193 193 194 197 198 199 200 192 208 209 212 212 206 207 216 216 210 211 213 213 213 214 Calcutta, India 205 206 207 217 220 220 220 220 222 227

Campbell I. 204 206 207 218 218 218 218 218 218 218 218 218

Canberra, Australia 192 193 194 195 196 198 192 199 200 201 202 203 ---- -NR- — 223 NR 223 223 225 223 225 225 224 Cape Hallett 185 220 220 220 220 220 220 220 220 220 220 220 226 226 227 227 227 227 230 230 230 230 230 230 Capetown, Union of S. Africa 184 184 186 188 196 198 199 199 200 201 202 203 — -NR- — — -NP- — -NP- -NR

Chimbote, Peru 180 181 181 182 183 Christchurch (Godley Head), N.Z. 185 206 207 219 219 219 219 219 219 218 218 218

Churchill, Canada 184 185 187 187 209 211 205 210 201 201 205 192 207 195 195 196 197 198 199 200 201 202 203 Concepcion, Chile 188 190 194 207 208 209 210 211 212 188 189 189 205 205 206 207 208 209 210 211 212 213 213 214 Dakar, French W. Africa 193 193 194 197 197 198 200 200 225 225 203 204 205 224 225 225 225 218 218 218 218 218 218 De Bilt, Holland 185 185 187 210 210 207 216 210 209 205 204 191 207 193 194 195 196 197 198 199 200 201 202 225

Delhi, India 205 206 210 213 218 220 218 217 220 220 220 220 222 227 Djibouti, French Somaliland 192 193 194 197 197 198 200 200 225 225 203 204 205 224 225 226 226 218 218 218 218 218 218

Dourbes, Belgium 192 193 195 196 215 198 215 211 214 201 202 204 204 205 206 224 208 224 222 225 225 225 225

El Cerillo, Mexico 184 193 194 195 197 191 200 191 191 201 219 199 199 194 196 196 197 198 199 200 201 202 203 Elisabethville, Congo 186 186 185 187 188 189 191 191 193 209 204 202 192 193 195 196 196 224 Eureka, Canada 192

Fairbanks, Alaska (College) 179 180 182 181 183 184 185 185 187 187 188 188 189 190 190 194 215 216 210 199 201 213 203 203 Falkland Is. 185 185 186 186 188 188 191 213 191 193 193 209 207 207 194 195 196 197 198 199 223 225 225 225 Formosa, China (Taipei) 186 186 186 188 189 191 193 190 220 216 216 230 207 207 194 195 197 197 198 199 224 225 225 228 Ft. Monmouth, New Jersey 180 180 182 181 183 185 185 186 186 187 187 187 189 189 193 195 217 217 218 218 218 219 219 219 Freiburg, Germany 192 192 198 212 212 212 NR

Frobisher, Canada 201 202 212 Garchy, France

Genoa (Monte Capellino), Italy 192 185 185 187 189 224 217 217 224 217 217 224 196 193 194 195 196 197 218 218 218 218 218 203 Godhavn, Greenland

Grahamstown, Union of S. Africa

184 192

182 182 182 183 185 186 186 187 188 -ND- — NP 205 206 207 215 216 210 212 212 213 213 214

Grand Bahama I. 180 182 182 182 184 185 185 186 187 188 189 189 191 191 193 207 215 216 210 212 212 213 213 NP Graz, Austria 186 186 186 186 225 225 219 219 225 225 225 220 225 225 194 198 226 226 207 199 200 226 202 203 Hobart, Tasmania 184 184 185 -NR- -NR- --NR-

Hollandia, Netherlands New Guinea 214 214

Huancayo, Peru 179 182 ND 182 184 185 186 186 186 187 187 188 190 190 191 193 194 195 196 199 200 201 202 203 Ibadan, Nigeria

Ilo, Peru

185 NP

185

181

185

183

187

182

188

184 189 190 199 200 201 202 203 204 205 206 222 208 224 222 225 222 225 225 225

Inverness, Scotland 185 185 186 207 209 210 210 213 207 207 202 191 192 207 194 195 196 197 198 199 200 201 226 206 Johannesburg, Union of S. Africa

Juliaca (La Paz), Peru

184 184 186

186 188 184

197 187

198 ND

199 200 200 -ND-

202 202 203

Juliusruh/Rugen, Germany 192 193 194 195 196 198 199 199 220 216 216 220 204 205 207 222 208 224 224 226 222 226 226 226 Kiruna, Sweden 184 184 185 209 188 190 209 190 201 209 201 209 198 193 194 195 196 198 198 199 200 201 202 203 Kodaikanal, India 205 206 210 213 218 220 218 217 220 220 220 220 222 227 --NP-

La Paz, Bolivia NP 190 193 206 NP 208 209 210 217 212 217 213 Leopoldville, Congo 186 186 186 187 188 189 191 191 193 209 204 202 192 193 195 196 196 224 227 227 227 227 227 NP Lindau/Harz, Germany 192 193 194 195 197 198 199 200 200 194 202 203 204 206 206 207 208 224 224 225 222 225 225 225 Lulea, Sweden 185 185 185 187 188 189 190 190 192 191 214 194 192 193 194 195 196 197 198 225 201 202 203 Lwiro f Congo 186 184 186 186 191 190 205 191 191 205 203 204 192 205 221 223 196 224 198 NP 223 225 225 NR

Lycksele, Sweden 185 185 185 185 188 201 192 191 221 191 216 220 207 207 194 195 196 197 198 199 200 201 202 203 Macau 184 185 220 222 221 217 217 221 193 204 205 207 --NR-

Madras, India 205 206 230 213 218 220 218 217 220 220 220 220 222 227

Maui, Hawaii 179 179 181 182 183 184 185 186 187 187 187 188 189 189 192 195 208 216 210 212 212 213 213 214 Mawson Meanook, Canada

-NR-

192

.... 219 220 219 217 200 202 217 203 204 218 NP -NR 224 224 224 224 228 226 228

Monte Capellino (Genoa), Italy 192 185 185 187 189 224 217 217 224 217 217 224 196 193 194 195 196 197 218 218 218 218 218 203 Moscow, USSR 186 186 207 188 191 191 201 204 194 206 196 197

Mundaring, W. Australia** 227 217 227 217 217 227 217 217 227 192 218 206 223 223 224 223 225 223 226 226 226 Narssarssuaq, Greenland 184 182 182 182 183 185 186 186 187 188 188 188 192 191 216 207 215 216 210 212 212 213 213 214 Natal, Brazil 189* NR NP 212 NP 214 214 214 ND 193 190 196 222 218 221 217 217 NP 224 226 222 221 221 221 Nurmijarvi, Finland 185 186 185 186 188 221 190 192 191 201 194 193 203 193 194 195 196 197 198 199 200 201 202 203 Okinawa I. 179 180 181 182 183 185 186 186 186 187 187 187 189 191 -NP-

Oslo, Norway 185 Ottawa, Canada 185 185 185 217 217 230 216 216 200 201 216 230 192 193 195 195 196 197 198 199 200 201 202 203 Paramaribo, Surinam Paris, France

212 214 224 224 224 224 NR 224 224 230 -NP-

224 226 218 218

224 218 218 218 218

Point Barrow, Alaska 180 180 182 182 183 183 184 186 187 187 187 188 189 189 190 195 196 216 210 212 212 213 213 214 Poitiers, France 222 222 222 223 223 223 230 230 230 Pole Station 193 193 193 193 195 195 196 196 196 196 191 191 191 212 214 216 216 215 211 212 213 229 225 214 Port Lockroy 192 206 207 207 214 214 199 200 200 201 202 203 204 205 221 222 224 222 226 222 226 225 Providenie Bay, USSR 191

Pruhonice, Czechoslovakia

Rabat, Morocco 222 222 222 196 197 214 217 217 219 217 197 204 205 206 207 197 197

Rarotonga 1. 219 206 207 218 218 218 218 218 218 218 218 218

Resolute Bay, Canada 184 185 222 188 217 222 217 217 201 201 217 191 192 193 195 195 196 197 198 199 200 201 202 203 Reykjavik, Iceland 181 181 182 182 183 185 186 186 187 187 188 189 189 214 216 216 215 209 210 212 212 213 216 214 Rome, Italy 186 186 186 188 222 190 190 192 217 217 196 207 193 194 196 196 197 198 199 200 201 202 203 St. John's, Newfoundland

San Francisco, California

180

179

181 181 182 182 198 217 199 200 201 211 220 192 205 195 195 196 197 198 199 200 201 202 203

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58

Station

San Salvador I.

Sao Paulo, Brazil Schwarzenburg, Switzerland***

Scott Base Simferopol, USSR Singapore, British Malaya

Slough, England Sodankyla, Finland Sottens, Switzerland*** Svalbard, Norway_

Syowa Base, Antarctica Tahiti, Society Is.

Talara, Peru Tamanrasset, Algeria

Tananarive, Madagascar Thule, Greenland

Tiruchy, India

Tokyo, Japan Townsville, Australia Trelew, Argentina_ Trivandrum, India

Tromso, Norway Tsumeb, South W. Africa

Tucuman, Argentina Uppsala, Sweden

Ushuaia, Argentina

Victoria, Canada Wakkanai, Japan Warsaw (Miedzesyn), Poland

Washington, D.C._

Watheroo, W. Australia

White Sands, New Mexico Wilkes Station, Antarctica

Winnipeg, Canada

Yamagawa, Japan Yellowknife, Canada

1959 1960

J F M A M J Jy A S 0 N D J F M A M J Jy A s 0 N D

188 192

-NR- 194

NP 197

NR 198

-NR-

200

-NR-

207 193 195 212 199 201 202 203 204 205 207 208 224 224 226 222 226 226 226 209 184 186 — -NP- —

220 220 220 220 220 220 220 220 220 220 220 220 226 226 226 226 226 226 230 230 230 230 230 230 — — -NP- — 191 191 191

184 184 185 187 188 187 190 191 191 208 208 208 194 195 196 197 198 199 200 201 226 225 184 184 186 208 188 190 208 208 208 208 191 192 207 194 195 196 197 198 199 222 225 225 225 185 186 185 187 188 191 192 190 201 217 194 192 193 194 195 196 197 198 199 200 201 202 203 209 192

184 199

186 194 195

-ND-

196 197 190 198

219 199

230 219 219 220 192 193 194 195 196 198 198 199 200 201 202 203

— 219 219 219 219 219 219 225 225 225 223 225 225

193 193 194 197 197 198 200 200 225 225 204 206 224 226 226 226 218 218 218 218 218 218

180 180 181 182 186 184 186 187 187 187 188 188 191 191 193 194 195 196 198 200 202 201 202 203 222 222 222 223 223 223 230 230 230

192 193 194 197 197 198 200 200 225 225 203 204 205 224 226 226 226 218 218 218 218 218 218

179 180 181 182 183 184 186 186 187 188 187 188 190 191 194 193 215 215 210 NP 201 201 203 214 205 206 210 213 218 220 218 217 220 220 220 220 222 227 -NP-

185 185 185 187 188 188 207 210 215 209 205 204 206 193 194 195 196 198 199 199 200 201 202 203 217 -ND- — NP 190 190 190 190 192 217 208 203 204 205 221 222 223 NP 223 199 200 201 202 NP

217 193 194 196 196 198 198 200 200 NR 200 NR 228 228 228 228 225 205 206 210 213 218 220 218 21/ 220 220 220 220 222 22/ — -NP- ---- — ---• — -NP- — — —

183 204

184 206

187

207 217 212

188

214 190 213

190 221

190 221

192

224

217

224

208

224

208

224

207 193 194 195 -NR- NR NP 200 201 202 203

194 212 212 212 212 212 212 212 212 212 217 217 217 NR -NR- —

188

192 210

193

185 185 189 222 190 191 210 210 201 209 207 193 194 196 196 197 198 199 200 201 202 203

192

185 185 185 187 188 188 207 210 215 209 205 204 206 193 194 195 196 198 199 199 200 201 202 203 223 224 224 225 223 225 225 225

177 177 181 182 183 183 183 186 186 187 187 188 189 189 191 191 194 194 196 197 197 201 202 202

185 184 NP

179 179 181 182 183 185 187 186 187 187 188 189 189 191 193 193 208 216 210 211 201 201 202 203 184 NP 212 214 214 212 212 199 200 219 212 205 221 223 223 224 223 224 223 224 227 226

188 219 185 219 222 208 199 200 201 209 208 192 193 195 195 196 197 198 199 200 201 202 203

185 192

185 186 187 188 188 207 210 215 209 205 204 206 193 194 195 196 198 199 199 200 201 202 203

* Also in F222. ** Mundaring station succeeded Watheroo, April 1959-

*** Schwarzenburg station moved to Sottens, July 1959.

Code: NR = No data received. NP = Data not published

ND = No data in existence. -- = (Without letter symbol) Station not operating

Station 1961 1962

J F M A M J Jy A S 0 N D J F M A M J Jy A S 0 N D

Adak, Alaska 214 214 214 216 216 215 210 212 -NP- _ 218 218 222 223 221 226 229 228 231 230 231 231 232 232

Ahmedabad, India 222 221 226 222 222 230 230 228 228 221 223 223 231

Akita, Japan 204 205 206 209 208 210 211 211 229 229 227 228 221 221 221 230

Anchorage, Alaska 214 214 216 216 215 216 210 212 213 217 221 218 230 222 223 224 232 232 232 232 232 232

Athens, Greece 229 229 224 223 226 227 225 225

Baguio, Luzon 224 205 206 226 208 209 210 211 227 223 227 228 224 223 223 223 223 223 223 224 223 227 227 228

Bombay, India 229

Boulder, Colorado 214 214 216 217 216 215

Brisbane, Australia 223 222 226 226 208 209 210 211 229 229 227 228 220 221 221 223

Buenos Aires, Argentina 223 223 223 226 226 226 226 226 226 229 229 229

Byrd Station 214 214 214 231 231 231 231 231 231 231 231 231 232 -ND ---- 232

Canberra, Australia 224 NP 226 226 -NR- ---- 210 211 229 229 227 228 220 221 221 223

Capetown, Union of S. Africa 204 205 206 207 208 209 226 228 229 229 227 228

Christchurch, N. Z. (Godley Head) 205 206 206 226 208 209 210 211 229 229 227 228

Churchill, Canada 204 205 206 207 208 209 210 211 228 229 228 228 221 223

Cocos Is. 224

Concepcion, Chile 214 214 217 217 221 223 224 222 222

Dakar, French W. Africa 225 225 226 227 227 221 223

De Bilt, Holland 204 206 206 207 208 209 210 228 228 229 228 228

Delhi, India 229'

Djbouti, French Somaliland 223 221 226 226 226 227 226 222 224

Dourbes, Belgium 223 206 207 226 208 209 210 211 228 229 228 228 221 221 221 223

El Cerillo, Mexico 206 205 206 209 228

Fairbanks, Alaska (College) 214 214 214 216 216 216 216 220 212 213 219 219 223 222 228 229 231 231 231 231 231 231 231 232

Falkland Is. (Port Stanley) 223 221 207 207 226 210 210 228 228 229 228 228 221 221

Formosa, China (Taipei) 204 205 206 207 208 209 210 211 228 229 228 228 221 221 221 223

Ft. Monmouth, New Jersey 218 218 218 219 219 219 -ND- — 224 220 220 225 221 223 227 225 230 232 231 232 231 232 232 Freiburg, Germany 229 229 229 222 222 222

Garchy, France 228 228 229 228 228 228

Genoa (Monte Capellino), Italy 225 225 225 225 225 225 225 225 225 225 225 225

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59

Station 1961 1962

J F M A M J Jy A S 0 N D J F M A M J Jy A S 0 N D

Godhavn, Greenland 217 214 216 217 217 217 217 222 228 229 222 224 225 231 231 231 231 231 231 231 231 231 Grand Bahama I. -NP- — 218 218 219 221 — -NP- — 218 218 221 222 221 228 231 224 231 NP 231 231 231 232 232

Graz, Austria 204 205 206 207 208 209 210 211 230 229 228 228 223 221 221 223

Hobart, Tasmania -NR- ---- 226 208 209 210 211 230 229 228 228 220 221 221 231

Huancayo, Peru 204 204 206 206 207 208 208 217 213 217 218 222 224 225 230 230 228 231 231 231 231 231 231 232 Ibadan, Nigeria 225 221 226 226 226 227 226 228 230 227 228 228 221 221 221 230 Inverness, Scotland 224 205 206 207 226 210 210 211 229 227 228 228 221 221 221

Johannesburg, Union of S. Africa 204 205 206 207 208 209 226 228 229 229 227 228

Juliusruh/Rugen, Germany 221 226 226 227 227 227 228 229 227 228 230

Kiruna, Sweden 204 205 206 207 208 209 210 211 229 227 228 230 221 221 221 231

Kodaikanal, India "22T La Paz, Bolivia (Juliaca) NP 217 217 — -NR — 223 -NR- 232 232 232 Leopoldville, Congo 225 221 227 228 228 228 228 230 229 229 228 228

Lindau/Harz, Germany 224 221 226 226 227 227 227 228 229 229 230 228

Lulea, Sweden 204 205 206 207 208 209 210 211 230 229 228 228 221 221

Lycksele, Sweden 204 205 206 207 208 209 210 211 230 229 230 228 221 221 221

Macau 226 226 227

Madras, India 229

Maui, Hawaii 217 217 217 217 220 220 220 220 220 220 220 220 220 220 220 227 225 231 231 230 231 232 231 232

Mawson, Antarctica 226 229 229

Mundaring, W. Australia* 204 205 226 207 208 209 210 211 229 224 229 228 221 221 223 223 223

Narssarssuaq, Greenland 218 218 218 219 218 219 219 219 223 229 223 223 224 232 225 223 231 231 232 232 232 232 231 232 Natal, Brazil 229 229 229

Nurmijarvi, Finland 204 205 206 207 208 209 210 211 229 229 230 228 221 221 221

Okinawa I. 228 226 227 228 228 223 227 223 227 226 230 229 231 223 224 231 231 231 232 231 231 Ottawa, Canada 204 205 206 207 208 209 210 211 229 229 230 228 223

Paramaribo, Surinam 230 231 230 230

Paris, France 225 222 226 226 227 227 227 228 223

Point Barrow, Alaska (Barrow) 219 219 219 219 218 218 219 218 218 219 219 222 229 229 223 230 223 231 231 231 231 232 232 232 Pole Station, Antarctica 219 229 222 222 222 221 231 231 228 231 224 231

Port Lockroy 228 221 Port Moresby, Papua 222 224 224 229 229 227 224 230 Pruhonice, Czechoslovakia 207 208 209 210 211 227 230 230 228 221 230

Rarotonga, Cook Is. 227 227 230 229 229 230 228

Resolute Bay, Canada 204 205 206 209 208 209 210 211 228 229 230 228 223 224

Reykjavik, Iceland 220 220 220 220 220 220 220 222 220 220 222 222 226 227 231 227 227 230 231 231 231 231 231 231

Rome, Italy 204 205 206 207 208 209 211 211 228 229 230 228 221 221 223 223

St. John's, Newfoundland 204 205 206 207 208 209 210 211 228 229 230 227 223 Sao Paulo, Brazil 229 221 226 226 227 229 227 227

Singapore, British Malaya 221 205 206 207 227 210 210 211 228 229 230 227 221 221 230 Slough, England 221 205 207 226 227 209 209 211 228 229 230 227 221 221 230

Sodankyla, Finland 204 205 206 207 208 209 210 230 227 229 230 227 221 221 230 230 Sottens, Switzerland** 204 205 206 207 208 209 211 211 227 229 230 227 221 221 230

Tahiti, Society Is. 224 221 226 226 227 227 228 222 223

Talara, Peru 206 206 204 206 207 208 217 217 217 217 218 218 225 222 222 225 229 231 231 231 231 231 231 232 Tananarive, Madagascar 224 221 226 226 227 227 228 222 223

Thule, Greenland 219 219 219 219 219 219 219 219 225 219 220 219 227 226 224 231 231 225 231 231 231 232 231 232 Tiruchy, India 229

Tokyo, Japan (Kokubunji) 204 205 206 209 208 210 211 211 229 229 227 228 221 221 221 230 Townsville, Australia 205 206 226 208 209 228 230 222 222 -NR- — -NR- ■ — 231 224

Trelew, Argentina 227 221 226 226 226 226 227 227 227 229 229 229 Trivandrum, India 229

Tromso, Norway 204 205 206 207 208 209 211 211 227 229 227 221 221

Tucuman, Argentina 226 226 226

Uppsala, Sweden 204 205 206 207 208 209 210 211 227 229 230 228 221 221 231 223

Wakkanai, Japan 204 205 206 209 208 210 211 211 229 229 227 228 221 221 221 230 Warsaw (Miedzesyn), Poland 228 221 226 226 227 223 224 224 227 229 230 224 223 Washington, D. C. 203 203 205 205 207 208 208 209 212 218 217 218 218 220 228 228 223 224 230 231 231 231 231 232 White Sands, New Mexico 223 223 227 220 223 222 221 229 222 223 229 226 230 229 231 230 230 228 231 232 232 231 232 232 Wilkes Station, Antarctica 230 Winnipeg, Canada 204 205 206 207 208 209 210 211 227 229 230 228 223

Yamagawa, Japan 204 205 206 209 208 210 211 211 229 229 227 228 221 221 221 230

* Succeeded Watheroo, April, 1959. ** Succeeded Schwarzenburg, July 1959.

Code: NR = No data received. NP = Data not published.

ND = No data in existence. -- = (Without letter symbol) Station not operating.

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60

Station 1963

J F M A M J Jy A S 0 N D

Adak, Alaska 232 232 232 232

Anchorage, Alaska 232 232 232 232

Baguio, Luzon 229 230 231 231 231 231 231 Barrow, Alaska 232 232 232

Byrd Station, Antarctica 232 College (Fairbanks), Alaska 232 232 232

Concepcion, Chile 232 232 232 Ft. Monmouth, New Jersey 232 232 232 Grand Bahama I. 232 232 232 232 232 Huancayo, Peru 232 232 232 Kodaikanal, India 230 231 Maui, Hawaii 232 232 232 232 232 Narssarssuaq, Greenland 232 232 232 232 232

Okinawa I. 232 232 232 232 Reykjavik, Iceland 232 232 232 232 Talara, Peru 232 Thule, Greenland 232 232 232 Washington, D. C. 232 232 232 232 White Sands, New Mexico 232 232 232 232

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CRPL REPORTS

(A detailed list of CRPL publications is available from the Central Radio Propagation Laboratory on request.)

Catalog of Data. A catalog of records and data on file at the U.S. IGY World

Data Center A for Airglow and Ionosphere, Boulder Laboratories, National Bureau of Standards, Boulder, Colorado, which includes a fee schedule to cover the cost of supplying copies, is available upon request.

CRPL-F (Part A), "Ionospheric Data." CRPL-F (Part B), "Solar Geophysical Data."

These monthly bulletins have limited distribution and are sent, in general, only to those individuals and scientific organizations that collaborate in the exchange of ionospheric, solar, geomagnetic, or other radio propagation data of interest to the CRPL. Others may pur¬ chase copies of the same data from the U.S. IGY World Data Center A for Airglow and Ionosphere, National Bureau of Standards, Boulder, Colorado.

"Ionospheric Predictions." This series of publications is issued monthly, three months

in advance, as an aid in determining the best sky-wave frequencies for high frequency communications over any transmission path, at any time of day for average conditions for the month.

For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington 25, D.C. Price 15 cents. Annual subscrip¬ tion (12 issues) $1.50 (50 cents additional for foreign mailing). (NOTE: Tested sets of punched cards of the predicted numerical

coefficients of numerical maps of the Ionospheric Predictions, for use with electronic computers, may be purchased by arrangement with the Prediction Services Section, CRPL, Boulder Laboratories, Boulder, Colorado.)

National Bureau of Standards Handbook 90, "Handbook for CRPL Ionospheric Predictions Based on Numerical Methods of Mapping." Price 40 cents.

National Bureau of Standards Circular 462, "Ionospheric Radio Propagation." Price $1.25.

NBS Handbook 90 and NBS Circular 462 for sale by the Super¬ intendent of Documents, U.S. Government Printing Office, Washington 25, D. C.

USCOMM - NBS - BL

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