ICOM D* rigs have both analog and D*. However, one sets up a freq for one or the other in memory. In VFO mode can switch between modes from the front panel.

I would think Mot would have simplex modes even in their trunking. EDACS does and here for the sheriff dept set up for emergency ops or when system fails. However, it has been found few officers know how to switch, hi. Since they very seldom do it they quickly forget.

73, ron, n9ee/r


Ron Wright, N9EE

727-376-6575

MICRO COMPUTER CONCEPTS

Owner 146.64 repeater Tampa Bay, FL

No tone, all are welcome.




On Thu, May 15, 2008 at 12:39 PM, wd8chl wrote:

Mike Mullarkey wrote:
Wd8chl wrote:
Understood-the bad news is if the repeater goes down, I'm pretty sure the radios are dead. I don't think there's a simplex mode. If there is, it's NOT TDMA. What happens if a P25 repeater or D-Star module fails.You don't get out unless you have a stack or linked system. Taking just a single station example a UHF. You have a UHF D-Star on the air and the TX radio overheats and dies. You have no local repeat just like P25 or MOTOTRBO as well as ANALOG system.

No. If a P25 repeater goes down, you can have a 'mode' (as Moto calls it) that is simplex on the output, and you will be still be heard by any radios
in range-IF you're on a conventional system. A trunked system is
different, but the radios do still have conventional simplex available,
and should be programmed.

D* I expect has the same thing.

I don't think there is a direct radio-to-radio mode in Mototrbo...I
could be wrong tho...


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