[aprssig] Differential GPS?

[Scott Miller]

> I have used it in the past on several Cows In Space projects.  At least 
> 4 grad students owe degrees to APRS

You can add at least one more to that count (also probably the first 
OpenTracker user in Thailand), and I think maybe another in India as 
well.  That might have been an undergraduate project though, I'm not sure.

Scott
N1VG