There is channel busy detect in almost all ALE hardware, and in PCALE software. In PCALE it detects both voice and digi sigs.
Bonnie KQ6XA --- In digitalradio@yahoogroups.com, "Andrew O'Brien" <[EMAIL PROTECTED]> wrote: > > On 8/20/06, KV9U <[EMAIL PROTECTED]> wrote: > > > > > > >> If you were to try and send an ALE call to several different frequencies > > over a short span of time, how do you insure you are not QRMing someone? > > How are you able to listen for a frequency already being in use so that > > you do not illegally transmit on that frequency? > > > > > > Good point Rick. I am always in control whenever I make an individual > call over different frequencies, so I can just "kill" the call if the > freq is occupied. You do raise an interesting question though. > > Andy K3UK > Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion) Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
