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Table of Contents

Introduction

Test Courses  
     Powell, ID, Test Course
     Lubrecht, MT, Test Course
     Clackamas, OR, Test Course

Test Procedure

Receivers Tested
    Rockwell PLGR +96
    Garmin GPS III+
    Trimble Pro XR
    Trimble GeoExplorer 3
    Magellan Map 410

Results

Postprocessing

Effect of Signal-to-Noise Ration

Effect of Position Dilution of Precision (PDOP)on Accuracy

Effect of Using External Antennas on Receivers

PLGR+96 Receiver Maintains Higher Accuracy Under the Forest Canopy

Real-Time and Postprocessed Positions

Effect of Battery Voltage

Discussion

Observations About the Receivers Tested

Summary

USDA Forest Service - Missoula Technology & Development
Last Modified: 10/15/2016 23:43:16

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