Rockland PD

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kenny
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Rockland PD

#1 Post by kenny » 31 May 2018 20:01

Rockland Police has made the switch to P-25 on 453.7375 $871 (871 is the telephone exchange)
They are also going to be dispatched by Holbrook along with the FD starting tomorrow I, believe is the date.
Dispatch is using a 4 digit UID, cruiser UID's appear to follow the cruiser numbers

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ecps92
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Re: Rockland PD

#2 Post by ecps92 » 01 Jun 2018 07:47

Don't think they do the PD till July/Aug time-frame
kenny wrote:
31 May 2018 20:01
Rockland Police has made the switch to P-25 on 453.7375 $871 (871 is the telephone exchange)
They are also going to be dispatched by Holbrook along with the FD starting tomorrow I, believe is the date.
Dispatch is using a 4 digit UID, cruiser UID's appear to follow the cruiser numbers

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Mark SNE Moderator
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Re: Rockland PD

#3 Post by Mark SNE Moderator » 17 Jun 2018 21:25

I programmed the new Rockland P-25 frequency in my 996P2, and lo and behold, I'm receiving it almost as if it's a local! Been hearing it now for 3 days and my question is this. Does a P-25 frequency travel farther than a typical analog frequency? I have noticed this with a few different P-25 frequencies in the past.

MrSvenSven
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Re: Rockland PD

#4 Post by MrSvenSven » 18 Jun 2018 12:05

Mark SNE Moderator wrote:
17 Jun 2018 21:25
I programmed the new Rockland P-25 frequency in my 996P2, and lo and behold, I'm receiving it almost as if it's a local! Been hearing it now for 3 days and my question is this. Does a P-25 frequency travel farther than a typical analog frequency? I have noticed this with a few different P-25 frequencies in the past.
There is a lot that goes into it, but the short answer is yes. A very weak P25 signal will still sound like it is next door, while an analog signal will get scratchy and won't be readable.

kenny
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Location: Randolph, MA

Re: Rockland PD

#5 Post by kenny » 09 Jul 2018 12:42

Holbrook has taken over dispatch duties for Rockland PD & FD as of today.

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ScanBoston
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Re: Rockland PD

#6 Post by ScanBoston » 11 Jul 2018 05:04

P25 and all the digital formats were invented to deal with narrowbanding. So when you cut a Analog 25KHz bandwidth channel to 12.5KHz and take it from 5KHz deviation to 2.5KHz your doing job on the overall signal. But a digital mode like P25 doesn't need all that bandwidth so it really isn't affected so yes it yes in a sense it will bring the range back that narrowbanding lost. Also it can be decoded a little further into the noise than analog signals so that too is a bit of a boost. However when it can't be decoded it drops off suddenly often giving folks the perception that something was lost that they should have been able to hear if it was analog. From my experience this is not true but it's very hard to convince old analog listeners. So yes P25, DMR, NXDN all work further than analog narrowband channels but if you talking wideband channels it's probably about equal.

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