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

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

Post by Scott »

155.4375 P25 NAC 252 active.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Caught part of a transmission on 153.770 directing units to the "new channel" a short time ago. Hearing a roll call now on 155.4375 NAC252.

Edit: Pretty cool, it ended with "all units, welcome to a new era of public safety communications..."
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by garys »

Interesting article. All things considered it was much better than the the typical media article.

So, 155.4375 will now be fire ops?

Almost makes me want to take a ride down that way.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

Still need to puzzle out the actual layout of things. The paging receivers are according to the license not listed on this frequency. I hadn't heard any transmissions on this one until today. 155.7225 was the one that was testing the other day. 156.2175 already seems established for police operations but I also heard some Fire/EMS transmissions there as well. Stay tuned!
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by garys »

"Fluid and dynamic" as the saying goes.

Scott wrote:
03 Jun 2021 12:44
Still need to puzzle out the actual layout of things. The paging receivers are according to the license not listed on this frequency. I hadn't heard any transmissions on this one until today. 155.7225 was the one that was testing the other day. 156.2175 already seems established for police operations but I also heard some Fire/EMS transmissions there as well. Stay tuned!
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

So here is a tabulation:
------
151.2650
151.3400
151.4825 860h ENC
154.1225 DPL115 Oak Bluffs Fire
154.7625
154.8225
155.4000
155.4375 252h
155.7225 229h
155.8650
155.8950 826h
155.9250 D10h
156.2175 D10h County PD
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

It seems like a well designed system.

This quote answers one of the mysteries.
Deputy Gould said he also hopes to channel certain major emergency response communications, fires and crashes for example, into a traditional scanner frequency — 154.1225 — but that’s still a work in progress.
Which to date has been the only analog heard, using DPL 115.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by garys »

I think that there may well be good reasons for not encrypting most of the channels on MV.

Based on past trips there some years back, they hire a lot of temporary help during the summer. They also have some call/volunteer fire fighters and summer only police officers. I suspect that a lot of those folks will want to listen to the radio when they aren't on duty and that the county isn't going to have enough radios for everyone.

It would make sense to have most traffic in the clear and would also explain having at least some initial dispatch traffic simulcast on analog.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

The 155.4375 252h just dispatched out to a medical call with tones. VHF has been pretty dead around here, so they aren't always decoding here.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Scott »

During a water rescue of two kids that apparently floated away on an inflatable (safely recovered thankfully) 155.925 $D10 lit up for what I believe is the first time.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by garys »

They picked a good time (for us) to roll out the new system.
Scott wrote:
07 Jun 2021 14:46
During a water rescue of two kids that apparently floated away on an inflatable (safely recovered thankfully) 155.925 $D10 lit up for what I believe is the first time.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by dopplerbob »

I heard the whole thing on 156.2175 but didn't have that 155.925 programmed in. So what should I tag the 155.925? Dukes FD?
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by Mark SNE Moderator »

Too early to tell for now. Many of us are still trying to figure out who's who on these new frequencies but feel free to add in any information you have, thanks.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

So I think it's safe to confirm the following as is.
SCOTT, you agree?
I would like to get these into the wiki

156.2175 D10h County PD Primary
151.4825 860h County PD Secondary, ENC

155.4375 252h County Fire

154.1225 DPL115 County Fire Oak Bluffs?
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

dopplerbob wrote:
07 Jun 2021 18:43
I heard the whole thing on 156.2175 but didn't have that 155.925 programmed in. So what should I tag the 155.925? Dukes FD?
Thanks, Bob
I don't think we have a clear answer on it just yet.

How well are you receiving these at your location?
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by dopplerbob »

W1KNE wrote:
08 Jun 2021 08:25
I don't think we have a clear answer on it just yet.

How well are you receiving these at your location?
Depending on conditions, the 156.2175 is full scale all the way down to nothing. But I would say I hear it about 75% of the time. I was hearing it in the analog mode all the way back when it was first introduced here on the forum. There are times when the other freqs. pop in also, but the 156.2175 is the strongest here to me. I am located about 35 miles from the NY line on the shore of Ct., a few hundred feet from Long island Sound, up 130 feet above sea level. I am using a Diamond X500HNA 2M-440 Ham antenna up 15 feet from the ground for VHF.
Bob

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

Post by Scott »

The entirety of this post is by and large speculative.

It seems periodically there is a combination of PD/FD/EMS on all of these frequencies. I would guess that 156.2175 is primarily law enforcement dispatch. I have not been able to monitor 155.4375, 155.7225, 155.925, 151.4875 enough to determine their actual use. The latter of the 4 has been encrypted.

I am guessing that when we hear the following units, they represent the following entities.

Oscar Units - Oak Bluffs
Tango Units - Tisbury
Whiskey Units - West Tisbury
Echo Units - Edgartown
Charlie Units - Chilmark

I have not heard any "Alpha units" which might be for Aquinnah, or "Victor Units" for Vineyard Haven, but maybe I haven't been paying attention enough or monitoring enough to.

It seems apparent that 860 is and has been the Dukes County Sheriff's Communications Center and that they are and have been dispatching for all towns on the island. I think 229 is as well and is FD and/or EMS primarily.

We do not have any supporting info in the Wiki, nor is there any at Radio Reference, to support my speculation. Only time will tell. In any event it has been fun to try to puzzle out, especially now that it is much easier to monitor. Again the above is pure speculation and if anyone in the hobby would like to correct or confirm please don't hesitate.
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Dukes County Radio 155.4375

Post by deacon »

This morning I am copying Dukes County Fire/Rescue dispatch/operations on 155.4375, tone 252, P25. I also copied an Island rescue roll call and check-in earlier today. Signal quality was +10. I am using a Cushcraft VHF antenna, tuned to 155.000. My LMR 400 cable inputs to a Advanced Receiver Research Pre-amp and than to a Stridsburg Multicoupler powered 4 port. Output uses LMR 400 jumper BNC to BNC.

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

Post by dopplerbob »

W1KNE wrote:
09 Jun 2021 06:57
156.2175 D10h County PD Primary
155.4375 252h County Fire/EMS Primary

Now that I have them all programmed, I'll give signal reports on who I hear. This morning I heard both 156.2175 and now 155.4375. Both at the same signal strength, about S4-S5. (my logs show 240-248, but those are based on 1-500, so just double for 1-10 scale)

000775, 2021/06/09, 08:15:18.099, 000000.568, 00:31:51.560, LR, 0000000001D2B088, 0000000000E95844, 000000047360FC08, , MARTHAS VINYARD, COUNTY PD PRI , 156.2175 ÔÕÖD10, 240, DUKES COUNTY, D10
000776, 2021/06/09, 08:17:40.394, 000000.562, 00:31:52.128, LE, 0000000001D2D40A, 0000000000E96A05, 0000000473B7AC6A, , MARTHAS VINYARD, DUKES FD OPS , 155.4375 ÔÕÖ252, 248, DUKES COUNTY, 252

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

Post by W1KNE »

For those taking notes:

Fire dispatch on 154.3250 91.5, simulcast on 154.1225 D115. Tisbury dispatched.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by garys »

I hope someone is taking notes for a Wiki update.
W1KNE wrote:
09 Jun 2021 18:07
For those taking notes:

Fire dispatch on 154.3250 91.5, simulcast on 154.1225 D115. Tisbury dispatched.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by jeffkett »

If anyone plans on visiting Martha's Vineyard to continue the frequency quest, feel free to visit the updated Steamship Authority WIKI.
I just updated the ferry services to the island. Statewide Portal / Transportation Portal / Public Transportation.
As usual adds, deletes, corrections appreciated.
Jeff

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

Post by W1KNE »

garys wrote:
09 Jun 2021 19:02
I hope someone is taking notes for a Wiki update.
The notes are just going through this thread and figuring out what people posted! :D

I am thinking of maybe making a single Dukes County page for all these.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by W1KNE »

There's an incident on MV tonight. Fire on 155.4375 just asked units to switch to "Channel 4"... of course VHF is dead tonight so I am not hearing anything else.
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Re: Dukes County (MV) New Radio System (Was 156.2175 Part II)

Post by dopplerbob »

W1KNE wrote:
13 Jun 2021 20:38
There's an incident on MV tonight. Fire on 155.4375 just asked units to switch to "Channel 4"... of course VHF is dead tonight so I am not hearing anything else.
Im hearing it also, fully involved car fire. Nothing heard on any other freq I have programmed in so I don't know what Ch.4 is. I'm a little too far for talkaround or simplex if that is where they went.
Bob

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