speedway_navigator
Member
Can a dispatcher TX over a mobile in phase 2? We have heard this is not possible.
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phase 2 console question
- Thread starter speedway_navigator
- Start date
One nice feature of TDMA talkgroups is that the subscriber is also listening while transmitting. This is accomplished by having the transmitter pulse on and off very rapidly, and in between the subscriber listens to the other slot. That means the transmitting subscriber can be preempted by the dispatcher and/or by emergency voice grants.
On a very basic level, even without that feature, true system consoles are almost always able to "talk over" a transmitting subscriber on P25 talkgroups (doesn't matter if FDMA or TDMA), as the consoles are keying the repeaters directly on the output, and thus mimic 4-wire operation.
On a very basic level, even without that feature, true system consoles are almost always able to "talk over" a transmitting subscriber on P25 talkgroups (doesn't matter if FDMA or TDMA), as the consoles are keying the repeaters directly on the output, and thus mimic 4-wire operation.
speedway_navigator
Member
Thanks, I knew giving you a passing score for your GCT test would pay off...
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