[aprssig] Symbols

[Robert Bruninga]

> What is the actual purpose of the Sky Warn, (Tornado), symbol?
My 
> thoughts would be to used it to spot a Tornado.

No, it is to mark SKYWARN stations.  There is a tornado symbol
for tornados.

> Seems to serve no purpose when used instead of a house/station
symbol!

Identifes that station as a trained SKYWARN spotter.  Very
valuable to know who is on the air and what their capabilities
are.

Bob
WB4APR