No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s...
Transcript of No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s...
![Page 1: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/1.jpg)
GeorgeKJ6VU
![Page 2: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/2.jpg)
PackTenna www.packtenna.com
Goal…
Effective, Portable HF Antenna System for…
Field Day
Day Hikes
Backpacking
Car Camping
Air Travel
SOTA
Park Ops
Size & Weight
Are Important
![Page 3: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/3.jpg)
PackTenna www.packtenna.com
![Page 4: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/4.jpg)
PackTenna www.packtenna.com
![Page 5: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/5.jpg)
PackTenna www.packtenna.com
![Page 6: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/6.jpg)
PackTenna www.packtenna.com
PackTenna
![Page 7: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/7.jpg)
PackTenna www.packtenna.com
Topics
• “Dummy’s Guide to portable HF antennas”
• PackTenna design
• Materials and construction
• Field results
![Page 8: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/8.jpg)
PackTenna www.packtenna.com
Effective Portable HF Antenna System
• Effective
– Good performance (equal to a full size dipole)
– Minimal or no tuning
• Portable
– Light weight & compact
– Easy to set up
• System
– Deploy in various configurations
– Modular - components added over time
– Optimize the configuration for each event
Pesky Laws of
Physics
Build A Better
Mouse Trap
![Page 9: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/9.jpg)
PackTenna www.packtenna.com
Rule #1 - Size Matters
A full size ½ wave dipole is
better than a shortened antenna
Loading reduces efficiency
& narrows bandwidth
>
![Page 10: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/10.jpg)
PackTenna www.packtenna.com
Rule #2 –
Elevation Matters For Horizontal Antennas
DX½ Wave+
NVIS<1/8 Wave
Close proximity to ground will detune the antenna
![Page 11: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/11.jpg)
PackTenna www.packtenna.com
Rule #3 – Vertical Antennas Are More Noisy
Low angle of radiationGood for DX
Bad for NVIS
Noiser that horizontal antennas
![Page 12: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/12.jpg)
PackTenna www.packtenna.com
Rule #4 –
Resonant is Better Than a Non-Resonant
• Non-resonant antennas are less efficient
• Significant losses in matching circuits
• Non-Resonant antennas require more gear
½ Wave
Vs.
![Page 13: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/13.jpg)
PackTenna www.packtenna.com
Rule #5 –
Make It Easy
• Compact
• Light weight
• Easy and quick to set up
• Easy and quick to take down
![Page 14: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/14.jpg)
PackTenna www.packtenna.com
Goal • Full Size
• Resonant
• Horizontally polarized
• As high as possible
• Small & light weight
• Easy and quick to deploy
![Page 15: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/15.jpg)
PackTenna www.packtenna.com
Popular Portable Antennas…
![Page 16: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/16.jpg)
PackTenna www.packtenna.com
Topics
• “Dummy’s Guide to portable HF antennas”
• PackTenna design
• Materials and construction
• Field results
![Page 17: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/17.jpg)
PackTenna www.packtenna.com
Thought #1
My Favorite Field Day Antenna…
• 28’ wire taped to a fiberglass mast
• SGC tuner in an ammo can
• 8-16 radials on the ground
• Works all bands
• 10 minutes to set up
• 10 minutes to pack it up
![Page 18: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/18.jpg)
PackTenna www.packtenna.com
Thought #2 – “Think Like a Backpacker”
1. Weigh your stuff - Ounces add up to pounds.
2. Trim the fat: leave the kitchen sink at home.
3. Plan your trip: limit your contingencies.
4. Take the lightest possible item to do the job.
5. Simplify: take items that serve multiple functions.
6. Don’t just take a bunch of stuff: build a system.
7. Get back to the basics - don't over complicate things.
Backpacking Light 101“ By Ryan Jordan"Seven Steps to Enlightenment“www.backpackinglight.com
![Page 19: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/19.jpg)
PackTenna www.packtenna.com
PackTenna - Key Decisions
Full size wire elements
• Good performance
• Very compact
Fiberglass support pole
• 30’ + tall can handle any band down to 40m
• Collapse down to about 2’ for packing
![Page 20: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/20.jpg)
PackTenna www.packtenna.com
PackTenna Part Details
• Supports
• Wire
• Feed points
• Chokes
• Hardware
• Coax
![Page 21: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/21.jpg)
PackTenna www.packtenna.com
You Can Make Almost Anything…
Ground Plane
Dipole
Off-Center Fed DipoleInverted Vee
Delta Loops End-Fed Sloper End-Fed Vertical or
End-Fed Long Wire
Ground Mounted Vertical
![Page 22: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/22.jpg)
PackTenna www.packtenna.com
20m Inverted Vee
Guy
Guy
Antenna Wire Antenna Wire
Guy
GuyGuyGuy
FiberglassMast
![Page 23: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/23.jpg)
PackTenna www.packtenna.com
40m Inverted Vee
Antenna Wire Antenna Wire
GuyGuyGuy
Guy
Antenna Wire Antenna WireFiberglassMast
![Page 24: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/24.jpg)
PackTenna www.packtenna.com
Ground Plane
Guy
Antenna Wire Antenna Wire
Guy
Antenna Wire
![Page 25: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/25.jpg)
PackTenna www.packtenna.com
End-Fed Wire
GuyGuy
![Page 26: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/26.jpg)
PackTenna www.packtenna.com
Ground Mounted
Random Vertical
GuyGuy
![Page 27: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/27.jpg)
PackTenna www.packtenna.com
Dipole
GuyGuy GuyGuy
![Page 28: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/28.jpg)
PackTenna www.packtenna.com
Phased Verticals
GuyGuy GuyGuy
![Page 29: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/29.jpg)
PackTenna www.packtenna.com
Topics
• “Dummy’s Guide to portable HF antennas”
• PackTenna design
• Materials and construction
• Field results
![Page 30: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/30.jpg)
PackTenna www.packtenna.com
Mast
32.8’ Tall
17 Sections
26” Collapsed
![Page 31: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/31.jpg)
PackTenna www.packtenna.com
Support33’
Guyed Tripod
![Page 32: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/32.jpg)
PackTenna www.packtenna.com
Wrap-n-strapSingle Guy
![Page 33: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/33.jpg)
PackTenna www.packtenna.com
20/40 Wire Elements
~16’ 10”
~33’ = 20m ½ wave
~66’ = 40m ½ wave
“S-Clip”Feurrle
Male BananaConnector
Female BananaConnector
![Page 34: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/34.jpg)
PackTenna www.packtenna.com
“S-Clips”Universal Antenna-Clips for
• Dipole links
• Guy links
• Just about anything
Dipole Link
![Page 35: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/35.jpg)
PackTenna www.packtenna.com
Multiband Linked Inverted Vee
![Page 36: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/36.jpg)
PackTenna www.packtenna.com
Dipole Link Options
Link Switch
Mini Banana Plugs In Use
Heat Shrink
![Page 37: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/37.jpg)
PackTenna www.packtenna.com
S-Clip is a great universal mechanical connector
End of the antenna wire has a mini banana plug to easily add a
tuning whisker
![Page 38: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/38.jpg)
PackTenna www.packtenna.com
1:1 Feed Point Balun
Holes for S-Clips- Antenna wire strain relief- Mounting
Mounting holes for mini-bungee cords
Vertical wire element jack
Horizontal or Veewire element jacks
Coax connector
Zip-tie holes to mount toroids
![Page 39: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/39.jpg)
PackTenna www.packtenna.com
Use
![Page 40: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/40.jpg)
PackTenna www.packtenna.com
Feed Points and Chokes
1:1 Balun Feedpoint
9:1 UNUNFeedpoint
In-LineCurrentChoke
![Page 41: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/41.jpg)
PackTenna www.packtenna.com
9:1 UNUN Feed Point
GND
• Helps match Hi-Z antenna to the tuner
• Antenna tuner required
Antenna
Coax to Radio
Antenna
GND
GND
![Page 42: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/42.jpg)
PackTenna www.packtenna.com
Antenna
ANT
In-Line Choke
ANT
ANT
• Suppresses common mode
current on the coax shield
• Helpful with end-fed antennas
when running high (>25
watts) of power
Coax to Radio
ANT
9:1 UNUN
CHOKE
![Page 43: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/43.jpg)
PackTenna www.packtenna.com
Picking Toroid Materials Ain’t Easy
• Many variables
– Frequency, wire vs coax, turns, mix, etc…
• Bum advice on the web
– These are simple mechanical devices so *everyone*
thinks they can build one
• Find a reliable source of information…
– Palomar Engineers
– G3TXQ http://www.karinya.net
• Conclusions
– Type 2: Good for 9:1 transformer balun (not a choke)
– Type 43: Best overall for common mode choke
– Type 43: Best for 1:1 balun
![Page 44: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/44.jpg)
PackTenna www.packtenna.com
Wisdom from E-Ham.com
• “Mix 43 is best at HF. 61 is best at VHF”
• “Contrary to what was said before, mix 31 is the material
of choice”
• “The 43 material is better suited for this application”
• “Mix 43 is not a good choice for frequencies below 10 MHz”
• “61 or 65 materials would be very good if you have enough
turns, I'd stay away from 43 material”
![Page 45: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/45.jpg)
PackTenna www.packtenna.com
Ferrite Mix According to G3TXQ
![Page 46: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/46.jpg)
PackTenna www.packtenna.com
Coax
• 2x 25’ RG58 BNC/BNC
• Alternate: RG316
• Good for ultra lite apps
![Page 47: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/47.jpg)
PackTenna www.packtenna.com
Philosophical Point #1: Go Lite
Count the ounces and …
…the pounds take care of themselves
• Take advantage of light weight gear for backpacking
• Aluminum tent stakes
• Reduce bulk where possible
• Use 3mm paracord, not 550
![Page 48: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/48.jpg)
PackTenna www.packtenna.com
Philosophical Point #2: Universal Hardware
Minimize the Number of Unitaskers
S-Clips “’Tenna Clips”
• Antenna strain relief
• Guy line clip
• Guy line tensioner
Mini-Bungee Cords
• Feed point mount
• Pole / tripod fastener
• Long wire strain relief
![Page 49: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/49.jpg)
PackTenna www.packtenna.com
Philosophical Point #3: It Will Break
Make it Robust – Plan For Equipment Failure
• Use more robust gear
– Use RG58 coax, not RG174
– Backpacking? Use RG316
– Medium duty antenna wire
– Triangular tent stakes, not rods
• Something will beak or get lost
– One is none, two is one.
– Plan for no single point of failure
![Page 50: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/50.jpg)
PackTenna www.packtenna.com
Philosophical Point #4: Make it Easy
Quick and Easy to Set Up and Pull Down
• Single support mast makes it simple
• Antenna wire is pre-cut
• Everything plugs together
• No tools required
![Page 51: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/51.jpg)
PackTenna www.packtenna.com
Topics
• “Dummy’s Guide to portable HF antennas”
• PackTenna design
• Materials and construction
• Field results
![Page 52: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/52.jpg)
PackTenna www.packtenna.com
Beric K6BEZ Running Antenna Shootout Software
![Page 53: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/53.jpg)
PackTenna www.packtenna.com
Computer controlled RF coax switch
![Page 54: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/54.jpg)
PackTenna www.packtenna.com
Reference antenna20m Buddipole
18’ elevation
2 long extension arms
Full size whips
![Page 55: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/55.jpg)
PackTenna www.packtenna.com
PackTenna
30’ fiberglass telescoping mast
Tripod base & one ground stake
Mast bungee corded to the tripod
![Page 56: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/56.jpg)
PackTenna www.packtenna.com
Tripod base
Light weight mast needs one ground stake
Mast bungee corded to the tripod
![Page 57: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/57.jpg)
PackTenna www.packtenna.com
Simple feed point for inverted VEE configuration
Coax ends in banana jacks.
Connection point bungee corded to the mast
To be replaced by 1:1 choke balun
![Page 58: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/58.jpg)
PackTenna www.packtenna.com
Antenna Shootout Comparison
20m Full size Buddipole dipole vs PackTenna Inverted Vee
Result : Similar. PackTenna is slightly better
40m Loaded Buddipole vs Packtenna Inverted Vee
Results: PackTenna worked better
40m 5 BTV roof mount vs PackTenna Inverted Vee
Results: Similar but PackTenna was 3 S-units quieter
![Page 59: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/59.jpg)
PackTenna www.packtenna.com
The PackTenna System
Standard System• 10 meter mast• 4x 20m quarter waves• Wire winder• 1:1 Feed point choke• Mini bungee cords• 3 guy rings• 8 guy lines• S-clips• 6 ground stakes• 25’ RG58 Coax• Carry bag
Options 9:1 feed point UNUN in-line RF choke
![Page 60: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/60.jpg)
PackTenna www.packtenna.com
Now What ???
+
PackTenna HamLog
![Page 61: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/61.jpg)
PackTenna www.packtenna.com
Let’s Build an Antenna Analyzer
![Page 62: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/62.jpg)
PackTenna www.packtenna.com
Beric, K6BEZ’s Prototype
![Page 63: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/63.jpg)
PackTenna www.packtenna.com
$25 in Parts ~ $40,000 VNA
![Page 64: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/64.jpg)
PackTenna www.packtenna.com
Beric, K6BEZ’s Kit
![Page 65: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/65.jpg)
PackTenna www.packtenna.com
K6BEZ PC Software
![Page 66: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/66.jpg)
PackTenna www.packtenna.com
Direct Digital Synthesis Module
• AD9850 DDS chip
• Frequency range: 0-40MHz
![Page 67: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/67.jpg)
PackTenna www.packtenna.com
RFDuino
More power then the Arduino UNO
Runs the same Arduino code as the UNO
Radio
• Bluetooth LE RF Module
• Built-In Chip Antenna
• Transmit Power 4dbm
Microcontroller
• CPU 16MHz ARM Cortex-M0
• Flash 128kb
• Ram 8kb
• Typical Supply Voltage 3V
![Page 68: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/68.jpg)
PackTenna www.packtenna.com
![Page 69: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/69.jpg)
PackTenna www.packtenna.com
Power SW
BNC
ExternalPower
![Page 70: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/70.jpg)
PackTenna www.packtenna.com
Case
• Plastic case
• External grip
• Built in battery
• BNC connector
• Power switch
![Page 71: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/71.jpg)
PackTenna www.packtenna.com
PackTennAlyzer
![Page 72: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/72.jpg)
PackTenna www.packtenna.com
PackTennAlyzer App
![Page 73: No Slide Title · 20m Full size Buddipole dipole vs PackTenna Inverted Vee Result : ... Let’s Build an Antenna Analyzer. PackTenna Beric, K6BEZ’s Prototype.](https://reader031.fdocuments.net/reader031/viewer/2022012312/5ac23d467f8b9ae45b8e4e8f/html5/thumbnails/73.jpg)
PackTenna www.packtenna.com
PackTenna Q&A