p25

  1. panoboy

    H-CPM demodulation using SDR

    Is there any SDR software which can demodulate H-CPM? If not, are there unique challenges which make this difficult or is it due to a lack of interest? Thanks.
  2. S

    C4FM vs CQPSK - Scan Behavior

    BLUF: Why can I receive a P25 channel regardless of the modulation type (C4FM vs CQPSK) but while scanning the radio will only land on this channel if the modulation is set to CQPSK? ~~~~~~~~~~~~~~~~~~~~ I have an Astro Spectra that mostly gets used as a scanner for conventional channels, a...
  3. K

    Why P25 phase II instead of DMR tier 3?

    I know that this thread will probably cause fights and be shut down, but that's not my intention... How come, in the US, public safety has for the most part ignored DMR tier II/III and instead gone to P25 phase 2? The spectral efficiency is the same, the audio quality is the same (as far as I...
  4. daugherh

    Dual Deck Setup Options/Questions

    Motorola guy here thinking about switching over to KW. I've been eyeballing the NX5x00 line because of the ability to do dual deck single head install. The way it is now in my truck I have to remote mount units (one UHF and one VHF) so that I can utilize both bands at the same time monitoring...
  5. K

    No Audio OP25 (boatbod) Raspberry Pi

    Hi everyone, I've been using the boatbod version of OP25's rx.py to listen to Seattle's PSERN with no major issues for some time but wanted to see if I could improve the performance by adding a second SDR and moving up to multi_rx.py. However, I am not hearing any audio and the decode rate has...
  6. D

    Motorola Trunking Controller Virtualization

    Hey Guys, does anybody tried to virtualize Motorola Trunking Controller like Smartnet, CPX2000, MTC etc. ? The Controller is Sparc Hardware with Solaris 6. So virtualization could be possible with Qemu. However, I fail because of the network interface that a real controller has. Has anyone...
  7. E

    [G4/G5] Priority vs. Non-Priority Talk Group List

    Can anyone explain how dividing talk groups between the Priority Talk Group List and the Non-Priority Talk Group List works? If there is a voice call ongoing from a talk group in the non-priority list, and a new voice call from a TG in the priority list starts, will the radio actually...
  8. R

    Scanning the North Carolina VIPER System

    Hello, everyone! This is my first post, I wanted to ask for some advice getting my scanner (BCD 996P2) programmed with the VIPER system for North Carolina. I have ProScan as well and it is activated, and am a premium member of RR. I have programmed the system extensively before, but the VIPER...
  9. D

    Albany County P25 System Unknown Talkgroup 21381

    I have been monitoring some unknown talk groups in the Albany County P25 system and have come across talkgroup 21381. The talkgroup is broadcasted on the Albany Metro Cell/Simulcast and has a very unique talkgroup because all of the other talkgroup ids start with 1 and this starts with 2 and is...
  10. C

    Repeater found

    Hello, on my 436HP and SDS100 I have repeater find activated. I just got a hit for 866.5875 which is under my cities system, Ottawa P25 Phase 1. Why would I all of a sudden get a random repeater hit? I'm monitoring this system all day. I'm not sure I understand, does this mean a new tower was...
  11. TR-613

    NJSP Migration to NJICS

    https://fb.watch/mjnCDi60I5/?mibextid=cr9u03 Event celebrating NJSP 3yr 61 Million dollar Radio Upgrade
  12. M

    BCD436HP/BCD536HP: Programming p25 bcd436hp

    I apologize i have read many threads but I’m having difficulty figuring out if I’m misunderstanding something or just doing it wrong. I was previously a software and hardware engineer so I know my way around software but the terminology is throwing me. Unfortunately I suffered from a minor strok...
  13. may2700

    Suffolk County NY p25 unit ID's?

    i did a search but didnt see anything, Has anyone created a Suffolk County NY P25 unit id list? Specifically each units radio id converted to the actual unit using that radio I have started creating my own list and keep adding to it every day with the help of my G5 and the voice record function...
  14. RadioDitch

    Système P25 d'Hydro-Québec / Hydro-Quebec P25 system

    Bonsoir tout le monde. Après des moments épuisants et difficiles au cours des deux dernières années et de nombreux voyages dans le monde, je recommence enfin à travailler sur la mise à jour des bases de données dans les régions de la Côte-Nord et du Labrador Ouest. Je prévois faire un voyage de...
  15. D

    Albany County P25 and NYSP

    I have recently been listening to the NYSP talkgroups on the Albany County P25 system and have not heard any action. I have also tried listening to the analog frequencies for troop G but also had no luck hearing anything. Is anybody else monitoring these frequencies/talkgroups and do you hear...
  16. D

    Paudling County switching to P25

    I heard that Paudling County is going to be switching to a p25 system by the end of the year. I believe it will be their own and they will not be joining Cobb, not sure of any more details but its what I heard. Also another county will be joining them possibly Gordon County. But Paulding is...
  17. BCD536HP Works Great - Upgraded Memory Card / Upgraded Antenna

    BCD536HP Works Great - Upgraded Memory Card / Upgraded Antenna

    Uniden BCD536HP - works great - has upgraded (remtronix) and original antenna. Also has upgraded 32gb SSD card for recording space. Works great - no upgrades / no box or manuals. Just power cord and unit with antennas. Non Smoker / No scratches
  18. BCD325P2 - Digital Phase 1 & 2 - Upgradeable - Remtronix Ant. In Box - Like New.

    BCD325P2 - Digital Phase 1 & 2 - Upgradeable - Remtronix Ant. In Box - Like New.

    Great Little Scanner only used a few times...just have too many. Includes orig antenna and much better Remtronix Antenna. All accesories included / manuals in box looks brand new... PayPal USA only.
  19. Pro-651 and Pro-197

    Pro-651 and Pro-197

    Selling pr of scanners Both are P25 Phase 1 scanners Both in near perfect condition. Gently used. Will include 1 USB programing cable. 1 110 volt power for each 1 12volt adapter for the 651 and 1 12 volt power lead for the 197 Manuals and a full version of ScanControl software for programing...
  20. P

    What state systems flip between phase I and II and how often?

    title say it all
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