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Understanding dynamic talkgroups...

asked 2018-01-17 18:51:50 +0200

Given that dynamic groups are opened for 15 mins, if one has a short QSO shouldn’t we disconnect afterwards to free up that TS? If not, what happens if another users attempts to activate a different TG on that slot after the QSO is complete?

Larry VE7EA

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answered 2018-02-04 10:06:57 +0200

Hello Larry,

The time a talkgroup stays open after the last QSO is called the " On Demand Timer". It is configurable per BrandMeister Master Server and will apply for all the repeaters connected to this master. By default it is 10 minutes but it can be changed by the team administering the master server where your local repeater is connected. You can ask them for confirmation, and to specify it on the brandmeister wiki page for their country if not already done.

Let's say you have created the dynamic talkgroup 1234 Timeslot 1 on your local repeater by pressing PTT. The talkgroup will be active for 10 minutes. You wait 2 minutes and now you press PTT on talkgroup 4567 timeslot 1. You have now 2 dynamic talkgroups active on timeslot 1. one will expire in 8 minutes, the other one in 10 minutes. The first talkgroup to become active in reception will be transmitted. The repeater will switch to traffic on another talkgroup only after the " HandOff Timer" has expired; which is also configurable per-master and is by default 15 seconds.

Hope this helps.

73's and happy QSOs on BrandMeister!

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Asked: 2018-01-17 18:51:50 +0200

Seen: 208 times

Last updated: Feb 04