Re: Getting PDOP, VDOP and HDOP in C

[David Taylor]

On 29/03/2022 19:30, Gary E. Miller wrote:
> Another misunderstanding.  DOPs do not vary by atmospheric conditions, etc.
> They only vary by time, time being the variatble that tells you where the
> sats are at any one time.  Nothing else affects the DOPs, just geometry.
>
> > It's what the
> > customer asked for, so!  I'll look at the others, though.
> I learned a long time ago that customers often ask for the wrong thing.
> If they truly understood the problem, they would not need you.
>
> The trick to to give them what they need.
>
> RGDS
> GARY

OK, Gary, giving them both!

  https://www.satsignal.eu/mrtg/performance_gps_dop.php

I'm happy with the NAME "DOP" as it's widely used, but I don't know whether 
"Error estimate" is the description you would like for the epX values. 
Possibly "uncertainty"?

Cheers,
David
--
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