[aprssig] "Controlling" things with APRS

Bill Vodall wa7nwp at gmail.com
Thu Jul 12 21:08:15 EDT 2012

Check out the "Strong Authentication for Amateur Radio" slides at this
years Microhams Digital Conference.


It won't work with a stock TNC but it is being worked on.

Bill - WA7NWP

> I have a KPC-3+ in digi mode and I have been looking at the telemetry
> options as well as the control outputs available. I have seen the "CTRL"
> option in the KPC-3 manual, but I would like to take this further. I
> would like the ability to send a specially crafted APRS packet/message
> to my TNC and have the "CTRL" on or off accordingly. Security is the
> first thing that comes to mind as anyone watching the on-air activity
> could easily duplicate the packet as well. There's always the remote
> control option as well, but I like the idea of sending a single packet
> that I could pre-program in an HT for example to simply switch something
> on or off.

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