Re: FW: Accurate Lat/Long Info

From: Kevin Fetter (kfetter@yahoo.com)
Date: Tue Jun 06 2000 - 06:38:52 PDT

  • Next message: BEHREND Raoul: "Re: FW: Accurate Lat/Long Info"

    If you want to test the accuracy of your gps receiver, then go to the following site.
    
    http://www.ngs.noaa.gov/datasheet.html
    
    This will tell you the location of benchmarks found in the usa, and for certain parts of canada.
    
    For the rest of canada, you have to pay to get the benchmark info.
    
    http://www.geod.nrcan.gc.ca/products/html-public/GSDinfo/English/factsheets/about_reference_networks.html
    
    
    In a few years we will get to use gps receivers that will recive three frequencies, not the
    current one. Even more accuracy!.
    
    
    Kevin 
    
    --- "MALEY, PAUL D. (JSC-DO)" <paul.d.maley1@jsc.nasa.gov> wrote:
    > I have been running some tests on a benchmark at NASA JSC and, using a
    > Garmin GPS III Plus, the single frequency channel output shows accurate to
    > 3-5m normally.  Earlier in May, I resurveyed a site north of Ciudad
    > Insugentes, Mexico and comparing a Trimble Geo Explorer with the Garmin GPS
    > III, the two receivers placed side by side showed accuracies of a similar
    > nature.  Next week I hope to be on Pikes Peak in Colorado to resurvey a site
    > where a solar eclipse was observed in 1878 from the top of the peak. 
    > 
    > Paul
    > 
    > 
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