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Old 03-22-2017, 6:54 AM
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Exclamation Oneida County

Does anyone have any reliable info on the new radio system in the works for Oneida County? I'm considering the TRX-1, but before I make the plunge,I want to make sure that it will be able to recieve the new system.Thanks for any info.
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Old 03-22-2017, 12:54 PM
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It's a VHF P25 Phase 2 Motorola Linear Simulcast system for the cities and New Hartford. The remainder of the County will be upgraded to Analog Simulcast.

Not 100% sure what Rome's plans are with the NXDN other than Public Safety shifting off. This transition also likely spells the end for Utica's EDACS. I would reasonably expect JPJ to shift their handful of remaining business customers to something else and decommission the system.
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Old 03-22-2017, 1:17 PM
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So, I guess the TRX-1 would be a safe bet. Appreciate your reply. Are you aware of when it should commissioned ?
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Old 03-28-2017, 6:20 PM
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Quote:
Originally Posted by studgeman View Post
It's a VHF P25 Phase 2 Motorola Linear Simulcast system for the cities and New Hartford. The remainder of the County will be upgraded to Analog Simulcast.

Not 100% sure what Rome's plans are with the NXDN other than Public Safety shifting off. This transition also likely spells the end for Utica's EDACS. I would reasonably expect JPJ to shift their handful of remaining business customers to something else and decommission the system.
From what ive been told, JPJ will keep EDACS running for their Business Subscribers
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Old 03-28-2017, 8:08 PM
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Thank you.
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Old 03-30-2017, 12:29 PM
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Originally Posted by nacsr View Post
So, I guess the TRX-1 would be a safe bet. Appreciate your reply. Are you aware of when it should commissioned ?
They are saying this fall. The system has been staged and they are doing some of the mobile installs. I would expect to see the excavators going in Rome and New Hartford for the tower sites this spring.
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Old 03-30-2017, 12:46 PM
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Thanks studgeman.
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Old 03-30-2017, 8:34 PM
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I just noticed that CNYICC is advertising a VHF TDMA frequency band -- not sure if it's been that way all along, or if this is a recent change.

Code:
FREQUENCY BANDS:
 ID:0 BASE:851006250 BANDWIDTH:12500 SPACING:6250 OFFSET:-45000000
 ID:1 BASE:380000000 BANDWIDTH:12500 SPACING:25000 OFFSET:5000000
 ID:2 BASE:380012500 BANDWIDTH:12500 SPACING:25000 OFFSET:5000000
 ID:3 BASE:450000000 BANDWIDTH:12500 SPACING:12500 OFFSET:5000000
 ID:4 BASE:450005000 BANDWIDTH:12500 SPACING:20000 OFFSET:5000000
 ID:5 BASE:143290000 BANDWIDTH:12500 SPACING:5000 OFFSET:900000
 ID:6 BASE:149290000 BANDWIDTH:12500 SPACING:5000 OFFSET:900000 TYPE:TDMA BANDWIDTH:12500 TIMESLOTS PER CARRIER:2 VOCODER:HALF_RATE
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Old 03-31-2017, 4:39 PM
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Is that really VHF or is it microwave?
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Old 03-31-2017, 4:42 PM
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Quote:
Originally Posted by DaveNF2G View Post
Is that really VHF or is it microwave?
It's looks to be in Hertz.
So 149290000 is 149.290 MHz
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Old 03-31-2017, 7:31 PM
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Quote:
Originally Posted by DaveNF2G View Post
Is that really VHF or is it microwave?
And why would microwave frequencies be broadcast in a trunked system band plan?
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Old 04-01-2017, 2:53 PM
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Why are NTIA frequencies being broadcast in a civilian trunked band plan?
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Old 04-01-2017, 3:13 PM
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Quote:
Originally Posted by DaveNF2G View Post
Why are NTIA frequencies being broadcast in a civilian trunked band plan?
Each P25 frequency band describes a range of 4096 possible channels that start at the base frequency and include every channel/frequency that is an increment of the spacing/step size. While the band may start in an NTIA allocated frequency range and span across multiple other allocation bands, the actual subset of channels from the frequency band used by the system still has to match the frequencies allocated for the system.

4096 channels with a spacing of 5000 Hz means that the #6 VHF TDMA frequency band spans a frequency range of 149.290 - 169.770 MHz -- a range that covers quite a few more allocations than just NTIA's.
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Old 04-03-2017, 8:25 AM
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The tables broadcast by the NYSEG VHF P25 system (example below) have even more of these "odd" looking base frequencies (no, Dave, NYSEG does not broadcast on "FAA" frequencies). One of the reasons for the proliferation of these tables in this case is the lack of standard offset spacing in VHF regarding TX frequencies used by base versus mobile stations, whereas for UHF and 7/800 only one table entry is needed thanks to the standard offset,..

Max

Code:
tbl-id: 0 frequency: 851.006250 step 0.006250 offset -45.000000
tbl-id: 1 frequency: 762.006250 step 0.006250 offset 30.000000
tbl-id: 2 frequency: 136.000000 step 0.010000 offset 4.780000
tbl-id: 3 frequency: 142.422500 step 0.005000 offset 5.260000
tbl-id: 4 frequency: 143.430000 step 0.005000 offset 6.265000
tbl-id: 5 frequency: 147.012500 step 0.002500 offset 6.460000
tbl-id: 6 frequency: 136.000000 step 0.010000 offset 6.550000
tbl-id: 7 frequency: 136.000000 step 0.012500 offset 6.000000
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Old 04-03-2017, 1:16 PM
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When they staged the Oneida County Trunked system in Chicago they had it connected to the master site in Onondaga which means they would have already had to provision the master site tables to accommodate the VHF.
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Old 06-18-2017, 2:50 PM
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Quote:
Originally Posted by nacsr View Post
Does anyone have any reliable info on the new radio system in the works for Oneida County? I'm considering the TRX-1, but before I make the plunge,I want to make sure that it will be able to recieve the new system.Thanks for any info.
Did you end up purchasing the TRX-1 scanner? The latest on the system upgrade for the city of Rome is described in the May 10, 2017 Common Council agenda. A new 195 foot tower will be located just off Erie Boulevard on South Charles Street. Additionally, new mobile, portable, and control station radios will be purchased for both the Fire Department and the Police Department. Based on this information, it appears that Rome will drop the NXDN system in favor of this new P25 system.

Common Council | City of Rome, NY
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Old 06-18-2017, 7:24 PM
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I did get theTRX-1. I'm satisfied with it. I'm in Lee and recieve Rome with it on a rubber duck antenna.
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Old 06-19-2017, 6:20 PM
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Quote:
Originally Posted by nacsr View Post
I did get theTRX-1. I'm satisfied with it. I'm in Lee and recieve Rome with it on a rubber duck antenna.
Glad the TRX-1 is working out for you. It sure looks like a great radio.
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