control channel

So i found this control channel and identified it as the "WV SIRN: West Virginia Statewide Interoperable Radio Network" i have a strong signal but i'm getting no audio it's showing group calls and it doesn't say it's encrypted i get a static sound and sometimes i hear pieces of someones voice...

Calculator to get a target frequency from control frequency and LCN. https://ranchtea.com/lcn/

Does anyone know what causes this. notice the bottom of the waterfall, That is normal it's showing the signal and everything is good and then about every minute or so i will see the top part of the waterfall do this. i have played around with the gain and everything else but nothing fixes it...

I have a question that i hope someone can help me with. i'm using two rtl-sdr dongles with sdrtrunk and i am able to lock onto 3 different control channels but i am only hearing these 4 talgroups. VSP Wyt 2 DWR 3 LAW DOC OP W Buch Sheriff 1 but according to my site their are a LOT more...

Is it possible to obtain the SU uplink frequencies from control channel data in an APCO P25 system? When looking at the control channel data I do not see anything that resembles a band plan. Occasionally I see messages like this which mention an offset: There are only a few of these...

Is it possible to detect encrypted talkgroups (BP / EP / AES) on Motorola Connect+ systems by scanning the Control Channel?

I have a couple questions about Charlotte UASI control channels: 1. What's the deal with control channels? Do I need to program all of them? Should I program the non-control channels? If not, why are they listed, what do they do? 2. Why are there multiple control channels? If I remember...

Hi everyone I fired up DSD+ and was able to dump a, well at least I think it is, a DMR T3 CC...or could it be some kind of data modem? It is only periodically active, about every 30secs for a few seconds. Slot 2 seems to be silent, but in slot 1 I see data. What do you think...is it a data...

I am trying to listen to Peel EMS and not sure what site towers I need to program into CPS for it to scan, but if someone could help me that would be great. I have an XTS 3000 VHF

Hi, I am from Canada I am trying to listen to Peel EMS and not sure what control towers I need to program into CPS for it to scan but if someone could help me that would be great. I have an XTS 3000 VHF.

Can anyone tell me how to work with this kind of control channel? I've tried sets on MOT, P25 and DMR but none of them worked. 👇🏽 Control Channel

Has anyone had issues with trunked systems after the most recent database update? It appears when on site hold, the unit will no longer stay on the primary control channel thus nothing is heard unless a transmission occurs on a frequency the SDS100 was currently tuned to.

I have a SDS200 with DMR key activated. I programmed Leominster, MA UMASS Hospital with the 14 frequencies found on FCC Website. I set it up as conventional and I hear a control channel. I also hear the staff talking on some of the other frequencies and it shows as DMR with Slots 1 and 2...

Before you read the title of this thread and say "Oh this guy programmed his scanner wrong or oh the antenna is probably shot", I am reaching out to this form because that does not appear to be the issue. I have programmed several of these scanners for the same system with no problems using ARC...

i have the whistler trx-1. do i need to import all the sites of a system? if i select only some sites do i need to select certain talk groups instead of all also? my area is here; https://www.radioreference.com/apps/db/?sid=848 Chandler would be my system for my area. so would i...

I have a Motorola XTS 5000 800mhz 9600 baud trunking. I'm currently monitoring a trunking system of my city, but I have some problems. The system has 4 control channels and some of them only monitor specific talkgroups. So the radio only scans one control channel and I can't listen all the...

I am trying to find out how to lock on to a specific control channel .... my scanner will sometime auto lock on to 853.6000 then some time it goes away and shows NFM and I'm unable to hear anything in Prince William County Virginia.. please help so I can hear the channels constant wth no issues...

In realtime, does a P25 control channel stream indicate what talkgroups are currently active on the site, and can DSD+ or Unitrunker (or any other software for that matter) have a way to show that (in realtime)? The reason is that I am curious to study what towers (sites) are best for...

I am trying to understand trunking/programming I have a couple of issues. Just some background info I have a pro-164 RadioShack scanner with a programming cable and software. 1-RadioShack no longer has the firmware update for my pro-164 radio. Scanner master will not give me the file. They want...

Hello Everyone, I am relatively new to the world of Scanners and I recently purchased a Uniden BC346XTC, Stock Everything. I am a Volunteer Firefighter and I got the scanner as a way to monitor my department's communications and for use as a Fire Tone Out Monitor at night. I have configured...