control channel

  1. panoboy

    Getting SU uplink frequencies from APCO P25 control channels

    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...
  2. MTL_Emergencies

    Encrypted talkgroups on control channel

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

    Charlotte UASI Questions

    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...
  4. R

    DMR Dump...any ideas what it does?

    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 it a data...
  5. M

    Programming Peel EMS into CPS for XTS3000

    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
  6. M

    XTS 3000 What Control Towers do I need to program into CPS for Bell Fleet Net Peel EMS too work

    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.
  7. H

    TRX-1: What kind of cc and how to set up?

    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
  8. S

    SDS100/SDS200: SDS100 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.
  9. dnadareski

    SDS200 DMR with a Control Channel?

    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...
  10. J

    BCD996XT Finding Cntrl Chan

    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...
  11. J

    system and sites. need all sites? whistler scanner

    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; Chandler would be my system for my area. so would i...
  12. Plutonium94

    Multiple control channels

    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...
  13. T

    BCD 996xt control channel issue

    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...
  14. D

    Control Channel indicate Talkgroups active on site?

    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...
  15. D

    Need help programming radio

    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...
  16. L

    Trunking Issue: Site "Finding Ctrl Chan"

    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...
  17. V

    "Finding Control Channel"

    I have two systems that I have downloaded from the RR library, both P25, Phase I, that just do not seem to work for me. Everything is there, including all the freq's, control channel, talkgroups, but when I scan nothing happens and if I hold on a talkgroup, it always says "Finding Control...
  18. K

    CloseCall VSP? TGID Search Without Control?

    I got a Close Call this morning on 163.5125 MHz. Saved the freq and had 40 or so hits afterwards. Half were P25 and the other half were encrypted. The transmissions I heard definitely sounded like VSP. The freq did not show up searching the database. I am in east Fauquier Co. I am using a...
  19. L

    Van Buren Twp. & Belleville, MI.

    Where would I find the correct system for Belleville & Van Buren Twp., MI., I have found the TG, but i cannot heard any activity. is the control channel 853.3000 in MPSCS /Wayne County Simulcast correct ?
  20. A

    BCD436HP/BCD536HP: Control channel output

    Hi all. I have found C_COUT hole on my scanner's motherboard 436HP, but I don't know how I can decrypt this signal. Which program should I use? And how I need connect this to my PC? Thanks all.