Remember that this is only required if you do not use automatic control. This is why most repeater owners implement automatic control, and then use telecommand as a backup.
Keith On 11/9/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > At 11/8/2007 18:12, you wrote: > > >OK, here is where it really gets fuzzy for me: > > > >ยง97.213 Telecommand of an amateur station. > >....... > >(b) Provisions are incorporated to limit transmission by the station > >to a period of no more than 3 minutes in the event of malfunction in > >the control link. > > > >Does that mean that the link must be active at all times? > > Yes, at least once every 3 minutes. If input from the control station is > not present for more than 3 minutes, the remotely controlled station is > supposed to shut down. This is known as a "heartbeat timer". > > Bob NO6B > > >
