[aprssig] APRS-WSPR APRS from anywhere!

[Bill Vodall]

> QST in September showed the $29 TAPR WSPR daughter board that plugs onto a
> Rasberry pi and although it is only a 100 millliwatt transmitter, with
> enough WSPRgates, that should not be a problem.  But adding a 1W PA will  always help!

Look at the WSJT modes instead of WSPR.  Almost the same gain but 1
minute transmission instead of 2 minutes.  I think the packet layout
also gives a bit more space for different data.

Bill