[amsat-bb] Proximity to grid line boundary

[Michael Whitman]

You should operate at the spot where your GPS receiver (using the settings/rules that Don highlighted) reads out *.000000 for a line or *.000000, *.000000 for a corner. 

73,
Michael, N4DCW

--

Michael Whitman
michael at n4dcw.com
Home Grid: EM78

> On Aug 29, 2020, at 12:46 PM, Don KB2YSI via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
> The VUCC rules (
> http://www.arrl.org/files/file/Awards/VUCC%20Rules%20April%202020.pdf)
> state:
> 
> (F) Grid boundary lines and grid corners must be established using a GPS
> receiver whose map datum is set to WGS84, the global default for curif nt
> GPS receivers. The GPS receiver should be set to use WAAS (Wide Area
> Augmentation System) if so equipped, since this improves the error figure
> to as little as 5 feet. In no case may the GPS receiver show an error
> figure in excess of 20 feet. Any modern GPS receiver equipped with WAAS
> will easily meet this requirement, as will most older
> units without WAAS.
> 
> On Sat, Aug 29, 2020, 12:37 Tom Schuessler, N5HYP via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
> 
>> For my information, as I am not much of a rover, but  as I may be doing a
>> little local grid rove sometime next weekend by request, how far from a
>> grid
>> boundary can you be for it to count?  I found a 4 corners grid boundary in
>> my area, but it is way rural in a deep clump of vegetation with a dirt road
>> a couple hundred feet away.  What is the maximum deviation from an X
>> .000000; Y.000000 location for it to be legal as a 4 grid location?  I will
>> probably do a much easier 2 grid line location, but just wondering.
>> 
>> Thanks much.
>> 
>> Tom Schuessler, N5HYP
>> EM12ms
>> 
>> 
>> 
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> _______________________________________________
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