[FedCom] P-25/DG protocol question

[Bill]

P-25/Astro uses NAC Codes.


----- Original Message ----- 
From: "HornSmoke" <hornsmoke at gwi.net>
To: "fedcom" <fedcom at mailman.qth.net>
Sent: Thursday, June 21, 2007 3:55 PM
Subject: [FedCom] P-25/DG protocol question


> Q: Normal repeaters usually will have a PL/DPL tone, at least on the 
> input for obvious reasons. In the P-25 world, is there a practice of 
> assigning key and or some such thing that keeps other P-25 radios from 
> inadvertently broadcasting, or cross-channeling? For example, on analog 
> repeaters the "tone" adds a thin layer of protection from idiots 
> "kerchunking." If so, is it like encryption where an actual key or 
> algorithm is used?
> 
> Loren
> 
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