Dukes County (MV) New Radio System (Was 156.2175 Part II)

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Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

Dukes County sheriffs
156.2175 NAC D10 Loud and Clear here in Taunton. County PD operations, repeated.
Added to the Wiki.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by deacon »

Mike,
What is part 2?? Is the DTCS code correct??? My radios start at 023.

Thank you,
Chuck

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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

deacon wrote:
23 May 2021 09:09
Mike,
What is part 2?? Is the DTCS code correct??? My radios start at 023.

Thank you,
Chuck
Instead of resurrecting an old thread, this is Part II of the discussion on SNE

It's P25, there is no PL. The NAC is D10. I haven't heard anything on the other channels either since this went active.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by deacon »

Okay, got it. Listening with an R8600 from Mashpee.

Chuck

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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

I'm watching this, and I'm not seeing any analog simulcast of it (yet) on many of the other Dukes County frequencies. The radios do not have that "analog to digital conversion" type of sound to them either, so this must be an entirely new move. I did hear some testing about 30 minutes ago, but I am also hearing what sounds like normal operations. I'm on a day off today so I'm able to listen and watch the spectrum display from my Airspy as well, thus not seeing any simulcast activity.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Mark SNE Moderator »

I loaded in all "known" analog frequencies for Dukes County into 2 of my digital scanners. Will check for any analog reception.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

Scott wrote:
24 May 2021 09:06
I'm watching this, and I'm not seeing any analog simulcast of it (yet) on many of the other Dukes County frequencies. The radios do not have that "analog to digital conversion" type of sound to them either, so this must be an entirely new move. I did hear some testing about 30 minutes ago, but I am also hearing what sounds like normal operations. I'm on a day off today so I'm able to listen and watch the spectrum display from my Airspy as well, thus not seeing any simulcast activity.
Interestingly, the new 151.4825 91.5 was very strong at my house in Taunton, and the 154.0100 91.5 both are "year round catches", but once the P25 went live, both have been silent here too.
I agree with it sounds like it's "on point".

Other frequencies to keep an eye on:
151.3400, 154.1225, 154.7625, 154.8225, 155.4375, 155.7225. All licensed as repeater outs.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

153.890, 154.010, 158.850, and 166.250 have no traffic on them at this time. These were all long standing "860" frequencies for years. No activity seen or heard here either on any of the other newly licensed frequencies under the license WREL200.

Sounds like the best bet is to continue to monitor everything and see what transpires. Audio quality of 156.2175 is excellent and comms seem to be for the most part good although I did hear one "minor grumble" over the air.

The "Dukes County Enigma" continues...
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Testing now on 155.7225. NAC of 229. Sounded like signal reports.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

Scott wrote:
25 May 2021 16:33
Testing now on 155.7225. NAC of 229. Sounded like signal reports.
Getting that here too. "Radio Test , I can barely hear you on the Chappy Ferry"
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Wonder if this one (155.7225) will be Fire/EMS related as the license shows 200 paging receivers. 154.1225 and 154.8225 do as well.

The tester is either in a fringe area or using a portable as he is not hitting the repeater clearly. The signal levels of the repeaters themselves are very strong. If you watch it with an SDR you also see little "blips" of transmissions at odd times as well, which is interesting. I'm not seeing (or I'm missing) any data transferral to DSD+ when this occurs.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

Scott wrote:
25 May 2021 17:04
Wonder if this one (155.7225) will be Fire/EMS related as the license shows 200 paging receivers. 154.1225 and 154.8225 do as well.
Just did a test at "Edgartown Fire Department" so I tend to think this will be the case.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Mark SNE Moderator »

154.325 91.5 Just toned out a call for Edgartwown FD. Loud and clear from here.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Mark SNE Moderator wrote:
25 May 2021 20:24
154.325 91.5 Just toned out a call for Edgartwown FD. Loud and clear from here.
I think that's still "normal". It seems that all of the law enforcement related traffic may have moved to the frequency we've been discussing. Fun to puzzle out and surely a system that's a long time coming for the Vineyard.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

Scott wrote:
25 May 2021 22:03
I think that's still "normal". It seems that all of the law enforcement related traffic may have moved to the frequency we've been discussing. Fun to puzzle out and surely a system that's a long time coming for the Vineyard.
I wouldn't be shocked to see that one also get retired for one of the new VHFs with P25 from "Mystery Island."
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Afternoon testing starting up on 155.7225. Suggest we rename this thread to New Marthas Vineyard System or something similar if all participants are in agreement.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

Scott wrote:
26 May 2021 14:37
Afternoon testing starting up on 155.7225. Suggest we rename this thread to New Marthas Vineyard System or something similar if all participants are in agreement.
Done! Also made it a sticky too as it is significant enough to warrant that.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Well 151.4825 has lit up this morning and I'm not surprised to report that it is ENC. Talkgroup shows as 860, so there's a telling tale right there. Sign of the times! NAC is also 860.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by sawyer100 »

reported above was:
5/24: 151.4825 Rptr PL 91.5
5/27: 151.4825 Rptr NAC $860 ENC

So is this rptr output is recently confirmed analog & P25 digital usage? I guess I'll program both in my scanners.

and I just read either here or on RR that last summer MV Events was 155.4375 (MV events channel). Anyone have the CTCSS/DCS or NAC code for this one? I can't see if this is simplex or a repeater output (the FCC database is currently down).

Thank you in advance.

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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by jeffkett »

I have the 155.4375 100.0 as Rpt.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

While not a strong copy here, I believe Oak Bluffs fire is using 154.12250 D115
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Some brief P25 transmissions on 155.895. It's showing a NAC of 826. Strong signal here so I'm taking a guess that it is the new system. Garbeled/unintelligible or just an open carrier. However, VHF-HI is wide open to the north right now so not entirely convinced as of yet. That said I don't see any listings in the Wiki with a NAC of 826 either.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by jeffkett »

Here's a little something......

https://www.mvtimes.com/2021/06/02/radi ... io-silent/

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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Believe I heard a reference to "channel 2", caught the tail end of a transmission...and a short time later 151.4875 lit up with P25 ENC. I previously observed ENC traffic there last week.

The article is interesting as it actually suggests those that can no longer listen have the option of buying a "$400 to $600" scanner. It sounds like the personnel talking have a distinct knowledge of how the system works. Given that they're making the aforementioned suggestion perhaps the ENC will be used for things that John Q. Public does not necessarily need to hear...as I am on both sides of the fence with this situation I think that's a good thing. Normal ops in the clear, "other" stuff not so much. :)
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