[amsat-bb] Re: Playing with GPS

[Sangat Singh]

Hi Lee,

Thanks for your observation.  I remember in those days when the accuracy
wasn't that  great, and the GPS were rather rare.  Showing his newly
acquired GPS and showing off the exact positon , well nearly.

"OK I will tell you now where we are"

"We are on that hill pointing a mile away"

Well in your case at least you could see your tower hi.

Happy hunting

73


Sangat, 9M2SS

On 26 July 2010 06:55, Lee Ernstrom <iamsavedbygrace at q.com> wrote:

> Hi Guys,
>
> I have been playing around with my Garman NUVI GPS and comparing the
> readings to Google Maps.  This is something you call try at home.  My
> Garman says that the base of my HF tower is at 41.07430 N 112.03774 W.
> When I punch in those coordinates in to Google Maps in the satelite view
> mode the arrow points to a location about 30 feet away near the middle
> of the lawn east of my driveway.  When I play around with the
> coordinates a little through interpolation and punch them in to Google
> Maps several times I arrive at what appears to be the true coordinates
> of the base of my HF tower at 41.074329 N 112.037770 W.  I suppose that
> is the significant difference that sixth decimal place makes.  Check
> both of these coordinates on Google Maps to see what I mean.  Any
> comments?
>
> WA7HQD
> Lee Ernstrom
> Syracuse, Utah DN31xb
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