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beacon - Man Page

transmit periodic messages on an AX.25 port.


beacon [-c <src_call>] [-d <dest_call>[digi ..]] [-f] [-H] [-l] [-m] [-s] [-t interval] [-v] port “message”


Beacon transmits the message text on an AX.25 port every thirty minutes. The message is addressed to “IDENT” and is sent using the AX.25 callsign of the port specified on the command line. Typically the message text will contain spaces and/or other characters, therefore the message text should be enclosed in quotes to ensure they are passed to the beacon program untranslated.



Configure the source callsign for beacons. The default is to use the interface callsign.


Configure the destination callsign for beacons. The default is “IDENT”. Optional: Digipeaters may follow, separated with spaces. Use -d "DEST DIGI1 DIGI2 .."


Do not fork into the background.


Enables the logging of errors to the system log, the default is off.


Start interval relative to the hour.


Changes the destination address to “MAIL” and sends the message text once only. This option overrides any destination callsign given with the -d option.


Sends the message text once only.

-t interval

The time interval between messages, the interval is given in minutes and the default is thirty minutes.


Display the version.

See Also

ax25(4), axports(5).


Alan Cox GW4PTS <alan@cymru.net>
Jonathan Naylor G4KLX <g4klx@g4klx.demon.co.uk>
David Brooke G6GZH <db@fusk.demon.co.uk>


10 February 1997 Linux System Managers Manual