[amsat-bb] Proximity to grid line boundary

[Burns Fisher]

Just out of curiosity, how do the rules for states?  I tried to activate 3
states from a three-state boundary where there was a marker.  (It did not
work because of the same problem--trees and grass) but I'm wondering if the
marker would be sufficient evidence?  Depends who placed it, I suppose?

This was for an informal 'contest' but for something like WAS, I can
imagine it would be important.

Burns WB1FJ

On Sat, Aug 29, 2020 at 1:24 PM Tom Schuessler, N5HYP via AMSAT-BB <
amsat-bb at amsat.org> wrote:

> Which is obviously why it is a lot harder to hit a 4 corners location
> because it will invariably plop you in a grove of dense vegetation.  I will
> stick with the two grid on the line on a main rod thing because I can get
> it
> right.
>
> From: Michael Whitman <michael at n4dcw.com>
> Sent: Saturday, August 29, 2020 11:54 AM
> To: AMSAT BB <amsat-bb at amsat.org>
> Cc: Don KB2YSI <kb2ysi at gmail.com>; Tom Schuessler <
> tjschuessler at verizon.net>
> Subject: Re: [amsat-bb] Proximity to grid line boundary
>
> 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
> mailto:michael at n4dcw.com
> Home Grid: EM78
>
>
> On Aug 29, 2020, at 12:46 PM, Don KB2YSI via AMSAT-BB
> <mailto: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 <
> mailto: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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