[Xastir] GNGGA vs GPGGA support

[Jason KG4WSV]

> On Apr 11, 2019, at 3:06 PM, Curt Mills <curt.we7u at gmail.com> wrote:
> 
> To answer Jason's question about checksum, no I don't think we check it. We probably should.

I'm not sure why I asked, but I may have had some harebrained idea like a brute force replacement of GN with GP.  

> Also: APRS _can_ have increased resolution: Use APRS compressed mode. I used to do that a lot, and it gives you precision of about a 2' by 3' rectangle.

Thanks, I'll take a look at that. All I could remember was the !DOA! thing and it seems there's very little support.

And thanks for the GPS update. I should have some time tomorrow to set that receiver back up and see how it behaves with xastir.

-j