doctordialtone
Member
Thanks for the info. I have it entered but still not receiving Troop D.
I receive EVERY other troop. Still trying....
(I'm in "ID Search" mode)
CLMRN (was CSERN)
- Thread starter JohnO44
- Start date
I receive EVERY other troop. Still trying....
(I'm in "ID Search" mode)
oldtimeradio
Member
Good News.... I found Troop C... They are using Troop D's Control Channel.
So this is what I have. I took the RadioReference database for the 700 MHz system and just added the 852.2000 to the frequency list.
Troop C never uses the radio that much so it takes time to find data. Knowing that some of the Troops haven't converted (all) of their radios yet they had to be using 800 MHz control channel and Troop D is close by and has a strong signal into Stafford.
Now that was fun...
So this is what I have. I took the RadioReference database for the 700 MHz system and just added the 852.2000 to the frequency list.
Troop C never uses the radio that much so it takes time to find data. Knowing that some of the Troops haven't converted (all) of their radios yet they had to be using 800 MHz control channel and Troop D is close by and has a strong signal into Stafford.
Now that was fun...
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- Joined
- Nov 4, 2016
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Anyone know how to add the control channel that @WoodburyMan provided to FreeSCAN so I can upload to my BCD325P2? For whatever reason I can't figure it out ..
doctordialtone
Member
You are on the wrong tab.
Go to the tab that has the other frequencies listed - click the "plus" sign and add it.
- Joined
- Nov 4, 2016
- Messages
- 858
Alright. I did add it somewhere else but it must not have been right.
I will look for the correct tab with the actual frequencies listed later on when I get home from work.
Thanks.
There seems to be some confusion with hearing a certain Troop's talkgroup vs monitoring the simulcast that is physically in the specific Troop's area. If you hear it on another Simulcast Cell, it is because of affiliations. If you want to monitor Troop D, you may not need to be in Troop D's Simulcast coverage area but you are not guaranteed of hearing it.
For example, if a trooper is heading to work at Troop D and he lives in Windsor, he cannot reach a tower in Troop D's area. So the radio system is designed to allow coverage outside the area.
For ease of explanation, lets just use the 3 Cells involved as he drives to work. I am not including the Secondary Control Channels to avoid confusion.
774.53125 is Troop H CC
774.05625 is Troop C CC
852.20000 is Troop D CC
The radio guys have programmed in these frequencies as well as a signal strength level for good reception. Below this level, the radio scans the other programmed frequencies looking for a stronger signal.
Trooper starts his car and the radio comes on. It is set to Troop D as he wants to know what is happening there. The D Simulcast towers are too far away and 852.20000 is quiet in Windsor, so the radio scans the programmed channels. It gets to 774.05625 but the strength is below the preset limit. It hits 774.53125 and gets a strong signal. It then keys up and tells the master controller "Radio 1801234 monitoring talkgroup 151". The controller can then allow that TG to be carried on the Troop H Simulcast or deny access. If access is denied, the radio will scan again and may settle on the weaker signal or signal "out of range".
So for sake of this scenario, lets say it is allowed and the excitement of Troop D's activity is being broadcast from all the sites in Troop H's Simulcast. As he gets to Ellington, the signal fades and the radio again scans. It now affiliates on 774.05625. Since he was the only Trooper monitoring Troop D in the Hartford area, as he leaves there, the Troop D talkgroup is no longer broadcast on the Troop H sites. The same thing happens as he gets into an area where 774.05625 gets weak and 852.20000 becomes the dominant signal.
chris
For example, if a trooper is heading to work at Troop D and he lives in Windsor, he cannot reach a tower in Troop D's area. So the radio system is designed to allow coverage outside the area.
For ease of explanation, lets just use the 3 Cells involved as he drives to work. I am not including the Secondary Control Channels to avoid confusion.
774.53125 is Troop H CC
774.05625 is Troop C CC
852.20000 is Troop D CC
The radio guys have programmed in these frequencies as well as a signal strength level for good reception. Below this level, the radio scans the other programmed frequencies looking for a stronger signal.
Trooper starts his car and the radio comes on. It is set to Troop D as he wants to know what is happening there. The D Simulcast towers are too far away and 852.20000 is quiet in Windsor, so the radio scans the programmed channels. It gets to 774.05625 but the strength is below the preset limit. It hits 774.53125 and gets a strong signal. It then keys up and tells the master controller "Radio 1801234 monitoring talkgroup 151". The controller can then allow that TG to be carried on the Troop H Simulcast or deny access. If access is denied, the radio will scan again and may settle on the weaker signal or signal "out of range".
So for sake of this scenario, lets say it is allowed and the excitement of Troop D's activity is being broadcast from all the sites in Troop H's Simulcast. As he gets to Ellington, the signal fades and the radio again scans. It now affiliates on 774.05625. Since he was the only Trooper monitoring Troop D in the Hartford area, as he leaves there, the Troop D talkgroup is no longer broadcast on the Troop H sites. The same thing happens as he gets into an area where 774.05625 gets weak and 852.20000 becomes the dominant signal.
chris
brian943
Member
Anyone in Colchester area comment on control channels there? I'm getting zero signal with what was imported from RR
oneadam-12
Member
I can confirm that 853.9125 is the cc for site 30.
oneadam-12
Member
I have also found site 31 cc is 859.7625. Just to confirm what others have replied.
Last edited:
Brian Try 853.9125 for K I still cant get E Did everything
doctordialtone
Member
I am hearing E now. Active CC is 774.3062
WoodburyMan
Member
Awesome so Site 30 Troop K Simulcast CC 853.9125
Cool! More confirmation. I already have Site 31 (Troop L Simulcast) mapped out entirely.
So in addition to what is currently on RadioReference Database Summary:
Troop L Simulcast Site 30 Update
Control Channel
859.76250MHz ("859.76250c" in red)
Alternative Control Channels:
856.4875MHz ("856.4875a" in blue)
857.4875MHz ("857.4875a" in blue)
858.4875MHz ("858.4875a" in blue)
Additional Frequency:
852.3250MHz
Site Neighbors / Peers Include
Site 022 773.95625MHz (Troop A Simulcast)
Site 023 853.6125MHz (Unknown!! You may see an update on this from me later)
Site 028 774.53125MHz (Troop H Simulcast)
Troop B Simulcast Site 23 Update
Control Channel
853.61250MHz ("853.61250c" in red)
Alternative Control Channels:
851.61250MHz ("851.61250a" in blue)
851.86250MHz ("851.86250a" in blue)
852.22500MHz ("852.22500a" in blue)
Additional Frequency:
851.13750MHz
853.03750MHz
Unknowns/Partials:
These sites need to be mapped with DSDPlus or Unitrunker to anyone in range with a SDR. Then we can get the full frequency and alternate control channel listings.
Looking at "Peers" or "Neighbors" is crucial to finding new sites as well. Compare any peers against RR database, and this list to see if you found a new site!
Site XX, Troop D Simulcast, CC 852.2000
Site 30, Troop K Simulcast, CC 853.9125
Site 37, Standalone (Troop F Area, or maybe Waramaug or Sharon), CC 859.9375
Site 38, Standalone (Troop B Area), CC 774.51875
I have these 4 loaded on my SDS100 and enabled. If I stumble upon them I can pull out my SDR and Laptop and get it running and map them to get info on all their channels and such.
oldtimeradio
Member
I just want to make sure that you know that if you were looking for Troop C over the air conversations through 700 MHz,
there WAS NO TROOP C TRAFFIC on Troop C simulcast. Just Troop H, K and D were coming through. I have 100's of pages to prove it,
It's not there.......
OTR
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oneadam-12
Member
Any info on Troop F site ?
zuzuski
Member
Seems the database is accurate for F
ok thanks
The new systems are set up more like cell systems than the old Smartzone systems. When my son lived in the Mobile area, Baldwin County converted to a P25 system. In addition to most PDs encrypting their traffic, you could only hear traffic from one town if a unit from that town was affiliated with the site that your scanner was listening to.
The only real exception was the county wide ambulance service. Since they had units all over the place, someone was affiliated with just about every tower in the system.
Not nearly as much fun as either the (old) CSP or MSP systems, but then again they didn't design them for us!
The only real exception was the county wide ambulance service. Since they had units all over the place, someone was affiliated with just about every tower in the system.
Not nearly as much fun as either the (old) CSP or MSP systems, but then again they didn't design them for us!
WoodburyMan
Member
Oops. Yep. Troop L is 31. Troop K is 30. Typo!
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