[aprssig] Wide-Area APRS Call-up Channel

[Josh Freeman]

Robert Bruninga wrote:
> Simply put up a tall central cross band repeater that listens on
> an unused UHF channel (PL 100)and cross bands to APRS Voice
> Alert on 144.39 (PL100).  In effect this extends the range of
> Voice Alert from Simplex to wide area.  Of course this must not
> be abused, and only used for brief contact (emergency call-up,
> then QSY).  
This could also be accomplished with a 144.39 remote base on an existing
repeater. Restrict knowledge of the control codes to activate it to only
those who would need to perform such a call-up. You don't need a
separate repeater to do it this way, and it helps to reduce the
possibility of abuse.

73
Josh KI4ITI