Mapping Kentucky History. The MKH Challenge Obtain geographical coordinates to the Kentucky Roadside...
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Transcript of Mapping Kentucky History. The MKH Challenge Obtain geographical coordinates to the Kentucky Roadside...
![Page 1: Mapping Kentucky History. The MKH Challenge Obtain geographical coordinates to the Kentucky Roadside Markers Use cutting-edge technologies such as Global.](https://reader035.fdocuments.net/reader035/viewer/2022062715/56649da65503460f94a90e53/html5/thumbnails/1.jpg)
Mapping Kentucky History
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The MKH Challenge
• Obtain geographical coordinates to the Kentucky Roadside Markers
• Use cutting-edge technologies such as Global Positioning Systems and Geographical Information System
• Learn about Kentucky’s rich historical heritage
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Kentucky Historical Markers Database
• Maintained by Kentucky Historical Society and Kentucky Department of Transportation
Click on a the map to jump to the interactive map for Kentucky.
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Marker Search
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Historical MarkersFront Back
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WHAT IS GPS?
Global Positioning System - a system of satellites that transmits signals used by special receivers on the ground for precise determination of location, sometimes within meters. Data can include elevation, location, and speed.
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Ranging, why are 3 needed?
GPS Satellite
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4 needed for 3-D fix
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Why is the system not perfect?• Error sources
– Atmospheric– Multipath scatter– Positional error
• Cheap GPS Units– Limited satellite
channels– Poor internal
processors
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Obstructions
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Bad Luck with Satellites
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One solution to the Error – Differential GPS
• Use two receivers to eliminate much of the signal error
• Increases accuracy to a few centimeters with good units
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Consumer GPS Hardware (Cheap)
• Consumer-grade– Garmin III plus
• >3 meter accuracy
– eTrex– Garmin V
• <3 meter accuracy 95% of the time
• WAAS
– GPSMAP 60Cx
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Survey-Grade GPS (Expensive)
• Survey Grade• Thales Promark2
– Navigation• WAAS <3 m
– Post-processing• <1 cm
– Kinematic• ~1 cm
• Trimble GNSS
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GPS Uses• Navigation:
– Air & sea navigation – Emergency Services
Locating– Airplane landing
systems– Car-based direction
services.• Mapping
– People & places– Animal/plant locations– Historical Markers!
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GPS Unit
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• Push Power Button & Wait
Turn on & lock onto signals
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For training inside – turn on simulation
mode
To get past splash screen
Press MenuPress Enter
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Degree Minute Second Coordinate system
Satellite Signal
Strength
Satellite AccuracySatellites’
position in the Satellite constellation
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Decimal Degrees Coordinate system
To change coordinate systems –Press Menu Twice
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Press quit twiceTo return to mainscreen
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Some GPS tips:Some GPS tips:
• Know how to read the accuracy of the GPS and obtain the most accurate readings.
• Thick trees and buildings block GPS receivers from receiving signals from satellites.
• Be patient. GPS units require 5-10 minutes to obtain a location after being turned on.
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The MKH Team Packet
• GARMIN GPS 72• Instruction Manuals• Morehead State
University Pencil
• File Folder– Obtaining GPS
Coordinate Flowchart– Historical Marker Data
Entry Form– Brochures– Free pass to
Kentucky History Center
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Data Entry Form
Latitude/
Longitude Minutes
Latitude/ Longitude Degrees
Latitude/ Longitude Seconds
Latitude/ Longitude Decimal Degrees
Elevation 1
Elevation 2
Known Location
Description
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Data Entry FormMarker Text Front
Marker Text Back
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Data Entry FormEmail Photos
Photo and AdditionalComments
Tell us about
yourself
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Entering Data
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Any Questions?!
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Height Modernization in Kentucky
Rebuilding Kentucky’s mapping infrastructure
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Kentucky Place Names Project
GNISGeographic Names Information System
All Features Great And Small
“Words have meaning and Names have power”
-Anonymous
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Thank You
The Kentucky Center for Geospatial Education, Research, & Outreach
kcgero.org
Institute for Regional Analysis and Public Policy (IRAPP)
Center of Excellence, MSUA Kentucky Program of Distinction
http://irapp.morehead-st.edu
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Let’s map!