[aprssig] SSID for RF only Station with backup power

[John Habbinga]

> Probably because all the home and mobile clients were underwater......

Yes, but I was hoping that some of the rescue and relief crews going into 
the area would make use of it.  It seems to me that if you had a fleet of 
boats throughout the city plucking people off of rooftops, APRS would be a 
benefit to the people coordinating those efforts.