[Scan-DC] Loudoun County nonsense

[Eric C. Carlson]

Unfortunately, I don't know the answer to that.

-Eric

On Mon, Dec 14, 2009 at 9:09 PM, Jeff Krauss <jeff at krauss.ws> wrote:
> Thanks for the intelligible explanation.
> Do we expect that scanners capable of P25 Phase 1 can have firmware upgrades
> to support Phase 2?
>
> At 09:59 PM 12/14/2009, Eric C. Carlson wrote:
>>
>> Some P25 systems are starting to use TDMA digital voice, which no
>> scanner can currently decode.  So your P25 digital scanner would be
>> like having an old analog scanner: you won't be able to hear anything.
>>  Your existing digital scanners support what is known as P25 "Phase 1"
>> digital voice.  P25 "Phase 2" is starting to appear (or at least a
>> not-yet-officially-finalized version of it).  You can read more about
>> this at radioreference.com.
>>
>> http://wiki.radioreference.com/index.php/Project_25#Project_25_Phase_II
>>
>> Systems using Phase 2 audio may also use Phase 1 audio (it's still
>> there for backwards compatibility).  Think of it like Motorola systems
>> that have both analog and P25 talkgroups.  Except in this case a given
>> talkgroup that is normally Phase 2 could revert to Phase 1 audio if a
>> Phase 1 radio joined the talkgroup.
>>
>> -Eric
>>
>> On Mon, Dec 14, 2009 at 8:40 PM, Jeff Krauss <jeff at krauss.ws> wrote:
>> > Can someone translate the nonsense messages about Loudoun County into
>> > plain English?
>> > My scanner can receive P25 just fine.
>> > So what if they convert from Motorola to P25?
>
>