ICE MotoTRBO TRS Decoding Project

A forum for discussion of the many trunked radio systems in and around our listening area.
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Scott SNE Webmaster
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#51 Post by Scott SNE Webmaster » 07 Jan 2013 19:00

Um...doh? It was actually toggled inverted, just fixed that...

Interestingly enough, this is showing as Network 134, Site 11. The plot thickens...
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Scott SNE Webmaster
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#52 Post by Scott SNE Webmaster » 07 Jan 2013 21:04

Interestingly, the above find is running concurrently with the CC on 938.1125, which is also Network 134/Site 11 and a control channel. The signal on 938.1125 is considerably stronger than the one on 937.4375 though. It is also running in inverted polarity as we have found with just about everything else. I did hear voice activity on 937.4375 briefly, group 103, which has been a consistent group on Network 134 and tentatively a Cape Cod area ambulance service.
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MrSvenSven
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#53 Post by MrSvenSven » 07 Jan 2013 21:26

Here are some talkgroups that I have monitored this evening:

site 13:
118 private towing co that does AAA, locations mentioned that are in the city of Worcester
49
41 Private EMS?
109 spanish
110 spanish
46 two units chatting on the pike in Newton
56
35

Site 21 Upton:
49
41

MrSvenSven
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#54 Post by MrSvenSven » 07 Jan 2013 23:10

TG46 heard a reference to "camp millbury". Probably knights limo or silver fox bus (who also run at least a portion of the logan express service).

TG56 follows the 88xx unit ID scheme and I just heard a location in RI. It could be AAA although It's been quiet so I'm not sure. TG49 does not seem to follow the 88xx unit ID scheme.

TG41 and 35 are private EMS companies. Maybe Eascare? 41 must be very wide area since Scott also reported it.

disp617
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#55 Post by disp617 » 07 Jan 2013 23:12

118 is Pat's towing in worcester. Confirmed by familiar voices and truck numbers

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#56 Post by MrSvenSven » 08 Jan 2013 01:53

936.2 is Site 6, not strong enough for me to decode. That frequency was formerly part of the Sudbury analog system.

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Matt SNE Moderator
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#57 Post by Matt SNE Moderator » 08 Jan 2013 10:02

Scott, I believe the issue is with the RTL-SDR/software. I have observed a strong signal (Site 3) being ghosted on other close frequencies. Maybe this is what you are seeing as well. I am using SDR#.
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Scott SNE Webmaster
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#58 Post by Scott SNE Webmaster » 08 Jan 2013 10:24

Matt SNE Moderator wrote:Scott, I believe the issue is with the RTL-SDR/software. I have observed a strong signal (Site 3) being ghosted on other close frequencies. Maybe this is what you are seeing as well. I am using SDR#.
That's entirely possible. I'll try backing down the gain tonight and see if it disappears.
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cdgordon
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#59 Post by cdgordon » 08 Jan 2013 14:35

Any chance of getting a screen shot of where you are seeing the TGID, Site, and Network info? I want to try to compare it to what seems to be meaningless info on the Marcus MotoTrbo around CT.

chris

disp617
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#60 Post by disp617 » 08 Jan 2013 15:12

41 confirmed Eascare Worcester on site 13. I'd call site 13 Paxton. hearing 936.600 which is freq I heard at the base of the tower the other day.

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#61 Post by disp617 » 08 Jan 2013 15:15

Chris, it's hard to have a screen shot as far as I can tell. Here is a quick log from site 13. Hope this helps.

7-Jan 2013 10:07:24 PM 13 Group Voice Call to Group 109 6774 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:07:24 PM 13 Group Voice Call to Group 109 6774 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:19:26 PM 13 Group Voice Call to Group 118 6926 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:35 PM 13 Group Voice Call to Group 109 6771 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:36 PM 13 Group Voice Call to Group 109 6771 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:36 PM 13 Group Voice Call to Group 109 6771 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:36 PM 13 Group Voice Call to Group 109 6771 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:45 PM 13 Group Voice Call to Group 109 6774 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:45 PM 13 Group Voice Call to Group 109 6774 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:45 PM 13 Group Voice Call to Group 109 6774 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:45 PM 13 Group Voice Call to Group 109 6774 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:48 PM 13 Group Voice Call to Group 109 6771 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:26:48 PM 13 Group Voice Call to Group 109 6771 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:28:04 PM 13 Group Voice Call to Group 110 6775 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:28:04 PM 13 Group Voice Call to Group 110 6775 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:28:04 PM 13 Group Voice Call to Group 110 6775 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:28:05 PM 13 Group Voice Call to Group 110 6775 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:28:31 PM 13 Group Voice Call to Group 110 6776 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:28:31 PM 13 Group Voice Call to Group 110 6776 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:28:31 PM 13 Group Voice Call to Group 110 6776 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:30:01 PM 13 Group Voice Call to Group 109 6771 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:30:01 PM 13 Group Voice Call to Group 109 6771 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:30:01 PM 13 Group Voice Call to Group 109 6771 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:30:01 PM 13 Group Voice Call to Group 109 6771 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:30:01 PM 13 Group Voice Call to Group 109 6771 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:30:01 PM 13 Group Voice Call to Group 109 6771 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:33:37 PM 13 Group Voice Call to Group 110 6776 1 Service Options : Non-emergency/No priority
7-Jan 2013 10:33:42 PM 13 Group Voice Call to Group 110 6775 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:33:42 PM 13 Group Voice Call to Group 110 6775 2 Service Options : Non-emergency/No priority
7-Jan 2013 10:33:43 PM 13 Group Voice Call to Group 110 6775 2 Service Options : Non-emergency/No priority

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Scott SNE Webmaster
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#62 Post by Scott SNE Webmaster » 08 Jan 2013 20:42

cdgordon wrote:Any chance of getting a screen shot of where you are seeing the TGID, Site, and Network info? I want to try to compare it to what seems to be meaningless info on the Marcus MotoTrbo around CT.

chris
Chris, see if this helps any. Color coding as follows although it's by and large self-explanatory:

Black: Network and Site
Green: Control Channel Neighbour List
Blue: Both "slots". Group ID and individual radio ID's appear in these boxes
Red: Type of Network, network #, and site # again
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screenshot.jpg
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cdgordon
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#63 Post by cdgordon » 08 Jan 2013 20:48

Perfect, That lets me know that I am looking in the right place and not seeing any such information. Thank you very much.

chris

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ecps92
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#64 Post by ecps92 » 02 Feb 2013 10:17

Quincy Confirmed by No Antenna on the Scanner today

sorry No DSD yet [still not motivated] running trunker on MSP/BPD/Cambride/Massport is the priority for now, as they change the system

Added a few new Sites, based on Data Submissions. Just a reminder folks, make sure you also submit the System not just the Site #
We seem to have Two of them. I am thinking one might be ICE the other Comtronics ?
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wb1hbu
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#65 Post by wb1hbu » 03 Nov 2013 21:03

Hello,

Here is what I can hear on the North Shore. Some systems are weak, so I can not get all the channels. List has frequency, LCN (if known), and purpose
Network 134 Site 1 CC 1 Neighbors: 2 7 28 8 27
936.7125 3 Control
939.4000 Voice
939.4500 1 Voice
939.9375 2 Control/Voice

Network 134 Site 2 CC 2 Neighbors: 1 4 7 23 22
935.2125 3 Voice
938.1625 4 Control/Voice
938.1750 5 Voice
938.1875 2 Control
939.6875 1 Control/Voice

Network 134 Site 3 CC 3 Neighbors: 5 4 6
935.3625 Control

Network 134 Site 4 CC 4 Neighbors: 5 2 6 22 23
936.3875 4 Control/Voice
936.4000 3 Voice
936.4125 1 Control/Voice
937.7250 2 Control/Voice

Network 134 Site 5 CC 5 Neighbors: 4 3 6
935.8000 Voice
936.6125 Control/Voice
937.9750 Control
938.1375 Control

Network 134 Site 6 CC 6 Neighbors: 5 4 2 7 22
936.2000 1 Control
938.5125 2 Control

Network 134 Site 7 CC 7 Neighbors: 2 9 6 1 24
937.4750 Control
937.4875 Voice
939.4375 Control

Network 134 Site 8 CC 8
938.5250 Voice

Network 134 Site 9 CC 9 Neighbors: 10 7 1 27 28
938.0250 Control
938.0625 Control

Network 134 Site 10 CC 10 Neighbors: 9 8 11 28
939.3250 Control

Network 134 Site 13 CC 13 Neighbors: 6 20 7 21
936.5750 1 Control/Voice
936.5875 2 Voice
936.6000 3 Control

Network 134 Site 15 CC 15 Neighbors: 1 2 7 23 27
937.1625 Control
937.2125 2 Control

Network 134 Site 17 CC 2
938.0750 Control

Network 134 Site 19 CC 4
936.5500 Control
936.5625 Control

Network 134 Site 22 CC 7 Neighbors: 2 4 7 6 23
935.7625 3 Voice
935.7750 2 Control/Voice
935.7875 1 Control

Network 134 Site 23 CC 8 Neighbors: 2 4 22 6
937.6125 3 Voice
938.2000 1 Control
939.2500 2 Control/Voice

Network 134 Site 26 CC 11 Neighbors: 6 5 22 13
935.8125 Control
935.8375 Control
935.8625 Control

Network 134 Site 27 CC 12 Neighbors: 7 9 1 2 15
937.1500 Control
938.7000 Control

Network 134 Site 28 CC 13 Neighbors: 10 9 27 1 12
935.3375 1 Voice
935.3500 2 Control

Network 139 Site 1 CC 0 Neighbors: 2 3 4
935.4625 2 Voice
936.7500 4 Control/Voice
938.3875 1 Control
938.6500 5 Voice
939.4625 3 Voice

Network 139 Site 2 CC 0 Neighbors: 1 3 4
938.4125 Voice
939.3875 1 Control

Network 139 Site 3 CC 0 Neighbors: 1 2 6
935.1500 Control
937.6500 Control

Network 139 Site 4 CC 0 Neighbors: 1 2
937.6750 1 Control
938.6750 2 Voice
939.1750 3 Voice
939.6750 4 Voice

Network 139 Site 7 CC 0 Neighbors: 2 3
939.1875 Control
73 Eric

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garys
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#66 Post by garys » 03 Nov 2013 21:32

Now that I have figured out how to get my SDR working, getting DSD working is next on my list. I've been told that my Acer Netbook might not be up to the task of running both SDR# with trunking support and DSD. I'm going to upgrade that to Windows 7 to see if that helps, but I might be in the market for a cheap Core Dou laptop. I might even go with a desk top just for this, but it would be nice to have a laptop that I can run in the truck if I want to take the show on the road.

I just need the time to play with all of this stuff.
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#67 Post by ecps92 » 04 Nov 2013 06:30

Eric, I think it's time to work on a template for these LTR TRBO companies in the Wiki

Anyone have thoughts/comments ?? Use the LTR Template ?
wb1hbu wrote:Hello,

Here is what I can hear on the North Shore. Some systems are weak, so I can not get all the channels. List has frequency, LCN (if known), and purpose
Network 134 Site 1 CC 1 Neighbors: 2 7 28 8 27
936.7125 3 Control
939.4000 Voice
939.4500 1 Voice
939.9375 2 Control/Voice

Network 139 Site 7 CC 0 Neighbors: 2 3
939.1875 Control
73 Eric
Bill Dunn N1KUG
Cruise Ship Frequencies
http://scanmaritime.com

"The tougher it is to find a frequency, the more it makes me want to work to find it. - I've learned to use the SEARCH Button"

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#68 Post by wb1hbu » 04 Nov 2013 11:36

Hello,

The LTR template is a good start. A better fit might be a EDACS multiple site system, but not the format used for Northeast Utilities. I think the current page just needs some reformating. Maybe separate the combined network/Site headings and have a major heading with the network and a minor heading with the site.

I am debating on putting the color code in the frequency table or not. It is configurable for each frequency, but recommended practice is for all the frequencies at the site to be the same color code. I noticed all the sites so far follow recommended practice so any exceptions should be put in the notes.

Code: Select all

==Network 134 Sites==
===Site 1 - Cape Cod/SE MA Area===
Color Code 1
Neighbor Sites 2 7 8 27 28
{{Smalltable}}
|'''LCN'''||'''Frequency'''||'''Usage'''||'''Confirmation'''
|-
|1||939.4500||Voice||2013.01.03
|-
|2||939.9375||Control/Voice||2013.01.03
|-
|3||936.7125||Control/Voice||2013.01.03
|-
| ||939.4000||Voice||2013.01.03
|}
The format of the talkgroup table looks okay.

73 Eric

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#69 Post by wb1hbu » 04 Nov 2013 21:48

Hello,

I did a little dxing on the way home and Network 134 Site 22 is strong near the Prudential in downtown Boston with the attenuator on.

Network 134 is licensed to ICE and Network 139 is licensed to Comtronics, so they should be on separate Wiki pages.

Network 134 Site 2 was confirmed as Quincy and it is reflected in the ICE licenses. Looking at the other unique frequencies I see some other possible locations.

Site 1 Kingston MA Neighbors: Quincy, Foxboro, 8, West Bridgewater, 28
Site 2 Quincy (Confirmed) Neighbors: Kingston, Medford, Foxboro, Boston, 23
Site 4 Medford MA Neighbors: Quincy, 5, Sudbury, Boston, 23 The site is strong on the North Shore.
Site 6 Sudbury MA Neighbors: Quincy, Medford, 5, Foxboro, Boston
Site 7 Foxboro MA Neighbors: Kingston, Quincy, Sudbury, 9, 24
Site 15 Duxbury MA Neighbors: Kingston, Quincy, Foxboro, 23, West Bridgwater
Site 22 Boston MA Neighbors: Quincy, Medford, Sudbury, Foxboro, 23
Site 27 West Bridgewater MA Neighbors: Kingston, Quincy, Foxboro, 9, Duxbury

Sites 3 and 5 are likely north of a line between Medford and Sudbury
Sites 9, 10, 11, and 13 are likely south of a line between Kingston and Foxboro.
Site 23 is somewhere in Metro Boston west of 22.
Site 26 is likely Metro West
Site 27 is likely south of Quincy and north of a line between Kingsron and Foxboro.
Site 28 is likely south of a line between Kingston and West Bridgewater

73 Eric

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#70 Post by N1BHH (Silent Key) » 04 Nov 2013 23:47

Good work Eric. This is the kind of hunting that is encouraged.
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#71 Post by wb1hbu » 13 Nov 2013 22:48

Hello,

Network 134 Site 3 is on Baldpate Hill in Georgetown.
Network 134 Site 5 is on Wood Hill in Andover.
Network 134 Site 23 is in South Boston near Wormwood Street.

An interesting site configuration with Sites 22 and 23 in Boston, Site 4 in Medford, and Site 2 in Quincy

Network 139 Site 4 is in Peabody near Lakeland Park Dr.

I found some more sites, frequencies, and lcns.

ICE Network 134
Site 1 CC 1 Kingston
Neighbors: Quincy, Foxboro, 8, West Bridgewater, 28
936.7125 3 Control
939.4500 1 Voice
939.9375 2 Control/Voice

Site 2 CC 2 Quincy (confirmed)
Neighbors: Kingston, Medford, Foxboro, Boston, South Boston
935.2125 3 Voice
938.1625 4 Control/Voice
938.1750 5 Voice
938.1875 2 Control
939.6875 1 Control/Voice

Site 3 CC 3 Georgetown (confirmed)
Neighbors: Medford, Andover, Sudbury
935.3500 3 Voice
935.3625 2 Control
935.3750 1 Control

Site 4 CC 4 Medford
Neighbors: Quincy, Andover, Sudbury, Boston, South Boston
936.3875 4 Control/Voice
936.4000 3 Voice
936.4125 1 Control/Voice
937.7250 2 Control/Voice

Site 5 CC 5 Andover (confirmed)
Neighbors: Georgetown, Medford, Sudbury
935.8000 3 Voice
936.6125 4 Control/Voice
937.9750 2 Control
938.1375 1 Control

Site 6 CC 6 Sudbury
Neighbors: Quincy, Medford, Andover, Foxboro, Boston
935.5375 3 Voice
936.2000 1 Control
938.5125 2 Control

Site 7 CC 7 Foxboro
Neighbors: Kingston, Quincy, Sudbury, 9, 24
937.4750 2 Control
937.4875 3 Voice
939.4375 1 Control

Site 8 CC 8
938.5250 Voice

Site 9 CC 9
Neighbors: Kingston, Foxboro, 10, West Bridgewater, 28
938.0250 1 Control
938.0625 2 Control

Site 10 CC 10
Neighbors: 8, 9, 11, 28
939.3250 Control

Site 13 CC 13
Neighbors: Sudbury, Foxboro, Webster, Upton
936.5750 1 Control/Voice
936.5875 2 Voice
936.6000 3 Control

Site 15 CC 15 Duxbury
Neighbors: Kingston, Quincy, Foxboro, South Boston, West Bridgwater
937.1625 1 Control
937.2125 2 Control

Site 17 CC 2
935.1375
938.0750

Site 19 CC 4
Neighbors: Georgetown, Andover, South Boston
936.5500 Control
936.5625 Control

Site 20 CC 5 Webster
Neighbors: Sudbury, 13, 18, Upton, 24
936.7250 2 Control
937.2250 1 Voice

Site 21 CC 6 Upton
Neighbors: Sudbury, Foxboro, 13, 24
937.2500 1 Control
937.7375 2 Voice

Site 22 CC 7 Boston (confirmed)
Neighbors: Quincy, Medford, Sudbury, Foxboro, South Boston
935.7625 3 Voice
935.7750 2 Control/Voice
935.7875 1 Control

Site 23 CC 8 South Boston (confirmed)
Neighbors: Quincy, Medford, Sudbury, Boston
937.6125 3 Voice
938.2000 1 Control
939.2500 2 Control/Voice

Site 26 CC 11
Neighbors: Andover, Sudbury, 13, Boston
935.8125 Control
935.8375 2 Control
935.8625 Control

Site 27 CC 12 West Bridgewater
Neighbors: Kingston, Quincy, Foxboro, 9, Duxbury
937.1500 Control
938.7000 Control

Site 28 CC 13
Neighbors: Kingston, 9, 10, 12, West Bridgewater
935.3375 1 Voice
935.3500 2 Control

Comtronics Network 139
Site 1 CC 0
Neighbors:2, 3, 4
935.4625 2 Voice
936.7500 4 Control/Voice
938.3875 1 Control
938.6500 5 Voice
939.4625 3 Voice

Site 2 CC 0
Neighbors: 1, 3, 4
936.2375 3 Voice
937.6875 2 Voice
938.4125 5 Voice
939.3875 1 Control

Site 3 CC 0
Neighbors: 1, 2, 6
935.1500 2 Control/Voice
937.6500 1 Control

Site 4 CC 0 Peabody MA
Neighbors: 1, 2
937.6750 1 Control
938.6750 2 Voice
939.1750 3 Voice
939.6750 4 Voice

Site 7 CC 0
Neighbors: 2, 3
939.1875 1 Control
939.7500 2 Voice

73 Eric

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#72 Post by disp617 » 19 Nov 2013 08:00

Maybe the ICE site numbers are in the order as they came on line?

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garys
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#73 Post by garys » 19 Nov 2013 19:28

Well, I can see that after the holidays I'm going to have to invest in the hardware to monitor MotoTrbo trunking as Uniden isn't going to do it for me. :( A better laptop, DSD, DMRDecode, and Virtual Audio Cable. are on the list.

From reading through the thread, it's pretty clear where most of the Eascare traffic I used to hear has gone. I think it's also likely that Quincy DPW is on MotoTrbo as their vehicles have new radios and 900 Mhz antennas on them.

Good detective work guys.
We're peace loving people, we're not hunting trouble, but if trouble should find us, we'll stand up and fight.

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#74 Post by Matt SNE Moderator » 20 Nov 2013 12:43

From Haverhill I am able to decode network 134 site 17 with neighbors 3, 5, and 19 and a color code of 2. Maybe Lowell area?
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wb1hbu
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#75 Post by wb1hbu » 23 Nov 2013 20:37

Hello,

I was able to confirm the locations of a few more sites.
ICE Network 134
Site 4 is in Medford, MA
Site 6 is in Sudbury, MA

Comtronics Network 139
Site 1 is in Boston, MA
Site 2 is in Needham, MA

I was able to hear Network 134 Site 17 good when I was up in Manchester, NH. It is somewhere nearby.
Site 17 CC 2
Neighbors: Georgetown, Andover, 19
935.1375
938.0750

17 is the neighbor of 19, not South Boston (23).
Site 19 CC 4
Neighbors: Georgetown, Andover, 17
936.5500
936.5625

I find it interesting that the Georgetown and Andover neighbor lists do not point toward 17 and 19.

Network 134 Site 8 uses four frequencies, but I only found two so far.
Site 8 CC 8
Neighbors: Foxboro, 9, 10, 16, 24
938.5250 2 Voice
938.5500 1 Control

A new site.
Site 24 CC 9
Neighbors: Foxboro, 8, 18, Webster, Upton
935.8750 Control

73 Eric

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