[aprssig] Info about Kantronics KPC-3+

[Bill V WA7NWP]

> I have to buy a TNC for a stand-alone APRS digi, and, if needed, that
> can be also used in Kiss mode connected to a PC.

The old X1J TheNet nodes will work as a basic fill-in digipeater with
several different aliases while providing KISS pass through data on
the serial port.    This allows basic digipeating to continue even if
the attached computer is powered off.

73
Bill - WA7NWP