Astro P25 Mixed Mode Conventional Voting System

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RCITECH
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Posts: 4
Joined: Thu Jun 12, 2008 10:58 am

Astro P25 Mixed Mode Conventional Voting System

Post by RCITECH »

Can anybody tell me what data traffic is carried on the V.24 portion of a Hybrid Link during an analog received signal? I know that during analog transmit, the V.24 link is carrying the Astro digital keying information "DRC". I can't get a clear answer from the Moto techs on what's being sent on receive back to the ATAC3000 comparator for voting criteria. Could it be RSSI or SNR both or nothing? I doubt it's SNR because that has to be done back at the comparator after all the site links are taken into account. My RS-232 (V.24) data analyzer inline does not give me a clue as to the actual "information" being sent or received. Any help here would be greatly appreciated.
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MattSR
Posts: 770
Joined: Mon Apr 21, 2003 10:00 pm

Re: Astro P25 Mixed Mode Conventional Voting System

Post by MattSR »

Bump, i'm keen to find out this too.
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