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Archive for April, 2011

GeoExplorer 6000 Review (Part 1 – Canopy Challenge)

Thursday, April 7th, 2011


The internet tends to be a place of ‘ADD’ and short-lived attention spans when it comes to readers looking at content (trust me, I’m guilty).  That’s why I’m deciding to publish my review of the new GeoExplorer® 6000 into four parts.  Tiny bite size pieces are the way to go, given today’s hustle and bustle.

Welcome to part 1.  On a cold snowy morning some few weeks ago, I took my GeoExplorer® 6000 loaner (from Seiler Instruments) out to meet Tim Smith, the National Park Service’s GPS Program Coordinator.  If anyone knows about GPS under canopy, it’s this guy.  Around a foot of snow had fallen overnight in beautiful Conifer, Colorado helping to load up the evergreen trees around our GPS test course.  The loaded canopy can be a  GPS unit’s worst nightmare.  I thought to myself, “This was exactly how I’d like to put this unit through it’s paces”.


We occupied a total of three monuments.  All of them were shot in with a survey-grade total station.  The horizontal and vertical coordinates were of very high accuracy. Besides the GeoExplorer®, we hooked up a Zephyr antenna, and dialed in to the Trimble® VRSNow™ service.


VRSNow™ Coverage USA
University of Denver GIS Program
Teledyne Optech

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