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nickcarr
PostPosted: Mon Sep 09, 2013 11:03 pm 
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Joined: Mon Jan 03, 2005 1:17 am
Posts: 2648
Location: Bellevue, WA
206 SW 112th ST, Seattle (WQRL631)
------------------------

769.30625
769.80625
770.30625
770.80625
773.20625
773.70625
774.20625
774.70625


HOFFMAN Hill, Dupont (WQRK643)
17908 16th ST, Home (WQRK643)
17128 80th ST, Vaughn (WQRK643)
TACOMA NARROWS BRIDGE SUPPORT STRUCTURE, Tacoma (WQRK643)
-----------------------------------------------

773.43125
773.68125
773.93125
774.18125
774.43125
774.68125

WATER WORKS RD, KING/PIERCE COUNTY LINE, Tacoma (WQPZ542)
-----------------------------------------------

773.60625

WATER TANK, Dupont (WQPZ542)
------------------

773.10625

SPAR POLE HILL, Orting (WQPZ542)
----------------------

773.75625

7.5M SE, Buckley (WQPZ542)
----------------

773.25625

25016 Meridian St, Graham (WQPZ542)
-------------------------

773.85625
774.00625

SPAR POLE HILL, Orting (WQPM841)
4812 196th ST E, Spanaway (WQPM841)
-------------------------

769.33125
769.58125
769.85625
770.10625
770.35625
770.60625
770.85625
771.78125
773.45625
773.98125
774.48125
774.73125
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N7QOR
PostPosted: Sun Sep 15, 2013 2:48 pm 
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Dude

Phase II = TDMA
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N7QOR
PostPosted: Sun Sep 15, 2013 7:04 pm 
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How does a talkgroup = a modulation scheme?

(hint, it does not)
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mikegilbert
PostPosted: Tue Sep 17, 2013 8:48 pm 
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N7QOR wrote:
How does a talkgroup = a modulation scheme?

(hint, it does not)


Can't believe I'm saying this, but he actually does have a valid point.

Phase II systems can operate in phase I if even one radio affiliated to a specific talkgroup isn't TDMA capable.

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nickcarr
PostPosted: Wed Sep 18, 2013 9:16 am 
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Posts: 2648
Location: Bellevue, WA
mikegilbert wrote:
Can't believe I'm saying this, but he actually does have a valid point.

Phase II systems can operate in phase I if even one radio affiliated to a specific talkgroup isn't TDMA capable.

So then what does this mean:

Unfortunately, Phase 2 is not backwards compatible with Phase 1 (due to the TDMA vs FDMA operation). This will make analog narrow-band FM the defacto "interoperability" mode for some time.


I think it just depends on if the system is truly Phase 2 or a Phase 1 + Phase 2 implementation.
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Sean
PostPosted: Wed Sep 18, 2013 10:20 am 
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The system will allow a phase I radio to affiliate as Phase I and then drag a Phase II talkgroup down to Phase I.

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Atomic Taco
PostPosted: Sat Sep 28, 2013 7:31 pm 
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Location: Not in Alaska
So if you have a PSR6 or a 396 you'll get to hear the sounds of encrypted comms
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TechnoWeenie
PostPosted: Sat Sep 28, 2013 8:47 pm 
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Location: Britain
Sean wrote:
The system will allow a phase I radio to affiliate as Phase I and then drag a Phase II talkgroup down to Phase I.


Depends on how the system is set up.

Most of the systems I know, will have a separate FDMA and TDMA TGs, the FDMA tallkgroups aren't active until an FDMA radio affiliates, normally.

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nickcarr
PostPosted: Sun Jun 15, 2014 3:55 pm 
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Posts: 2648
Location: Bellevue, WA
Getting some light traffic on this system as of today. TGID 7 is active. Sounds like the primary PCT dispatch channel.

I'm listening on my 536HP but haven't confirmed it's Phase 2. It sounds like it but am trying to confirm somehow...

UPDATE: My PSR800 says it's still in P25 Phase 1 mode.
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nickcarr
PostPosted: Wed Jun 18, 2014 3:47 pm 
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Posts: 2648
Location: Bellevue, WA
Here's the updated system so far:

Code:
Last updated 6/18/2014
----------------------

PIERCE COUNTY P25 PHASE 2 PROJECT (SOUTH SOUND 911)

PIERCE TRANSIT

SYSTEM ID: 1E7

**CURRENTLY IN PHASE 1 P25 MODE**


ACTIVE SYSTEMS:
---------------

1-01   1E7   774.68125   WQRK643   (Tacoma) Central Pierce
1-02   1E7   774.48125   WQPM841   (Orting) SE Pierce
1-03   1E7   773.73125   WQPM835   (Mineral) South Pierce (Mt Rainier)
1-04   1E7   774.70625   WQRL631   (West Seattle) South King County
1-05   1E7   773.48125   WQPM839   (Buckley) East Pierce


Site 102 (Orting)
-----------------

774.48125   control

770.35625   alternate
770.60625   alternate
773.98125   alternate

771.78125   data
773.45625   data
774.73125   data


Site 104 (West Seattle)
-----------------------

774.70625   control

774.20625   alternate
773.20625   alternate + data

769.80625   voice + data
773.70625   voice + data

770.30625   identifier (cw) CHANGEME
769.30625   identifier



TGIDs
-----

3   PCT Dispatch
5   PCT Dispatch
7   PCT Dispatch
9   PCT Dispatch
17  PCT "Seattle Supervisor"
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KE7JFF
PostPosted: Tue Jun 24, 2014 4:12 pm 
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Posts: 777
Location: Portland, OR
Uh....Phase II requires the implementation of Phase I in the radios due the fact that there is no phase II for simplex operations; it needs a timing reference so phase I still works...

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Atomic Taco
PostPosted: Sun Jul 06, 2014 1:46 pm 
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Joined: Thu Oct 04, 2007 1:58 pm
Posts: 3429
Location: Not in Alaska
http://www.soundtransit.org/Documents/pdf ... M2014-30.pdf
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nickcarr
PostPosted: Fri Oct 17, 2014 9:04 pm 
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Joined: Mon Jan 03, 2005 1:17 am
Posts: 2648
Location: Bellevue, WA
Announcement: it appears that PCSO is now on the new system and are using Phase II P25 talkgroups.
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safetysaurus
PostPosted: Sun Oct 19, 2014 11:25 am 
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Joined: Sun May 09, 2010 5:45 pm
Posts: 96
I know that several smaller county fire dept have radio's delivered and installs are to be coming soon.
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nickcarr
PostPosted: Wed Oct 22, 2014 3:25 pm 
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Joined: Mon Jan 03, 2005 1:17 am
Posts: 2648
Location: Bellevue, WA
nickcarr wrote:
Announcement: it appears that PCSO is now on the new system and are using Phase II P25 talkgroups.


NVM.
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