[FoxHunt] Differential GPS

John Garrett [email protected]
Sat, 25 May 2002 09:33:09 -0400


John Munsey wrote:
> 
> I don't usually respond to general mail but some comments on this subject
> cause concern.
> 
> If Ron wants information about a project and to know if anyone has tried it
> why would anyone send mail critical of that request?  Don't we all search
> for something better?  I have a good GPS with WASS built in but would
> always like to test/try/or know about something better.  What is wrong with
> that?

How is DGPS always better? In my professional use of GPS and DGPS for locating
points, I have found that unless you are very close to the DGPS transmitter
[<~10Km in my case using an SCA-based system] you are better off without it.
Without SA, DGPS is not necessarily an improvement. Read my post again. I didn't
flame anybody. I said I wanted to hear what he was working on. Now if you want
Ron to come in behind you, that's another story.

John
WN9T