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APCO 25 Digital Radio - WAVECOM
http://www.wavecom.ch/content/pdf/advanced_protocol_apco-25.pdf
APCO-25 Overview APCO-25 Architecture Fig. 1 APCO-25 Functions APO-25, Project 25 or P25 is a set of standards for radio communications for public safety, securi-ty, public service and commercial applications de-veloped among others by The Association of Public Safety ommunications Officials International (APO).
Simple APCO P25 Phase 1 Decoder Plugin Released for SDR#
https://www.rtl-sdr.com/simple-apco-p25-phase-1-decoder-plugin-released-for-sdr/
Vasili, author of several SDR# plugins has recently released a new APCO P25 plugin for SDR#. The plugin is easy to use, simply tune to a P25 voice signal, and it will automatically decode it into voice audio assuming that the signal is not encrypted. If the P25 signal is encrypted, you will hear garbled unintelligible voice. The plugin does not support …
P25 CAI - The RadioReference Wiki
https://wiki.radioreference.com/index.php/APCO-25_Common_Air_Interface
The APCO Project 25 Common Air Interface or "P25 CAI" is used to describe the APCO (Association of Public Safety Communications Officials International) specified standard for digital voice modulation (digital audio). This standard specifies the type of digital signals transmitted by compliant radios. One radio using P25 CAI should be able to communicate with …
APCO-P25 IMBE Signal Samples Wanted | RadioReference.com ...
https://forums.radioreference.com/threads/apco-p25-imbe-signal-samples-wanted.25105/
For a discriminator based P25 Decoder Project i need some wav. signal samples of a discriminator output with a conventional (no trunking) and unencryptet APCO-P25 IMBE transmission. The NFM Filter should be 12,5 KHz or 15 KHz. Specs for the real "raw" wave. file : some samples of your discriminator output including breaks (noise) and two-way comms.
APCO Project 25 - The RadioReference Wiki
https://wiki.radioreference.com/index.php/APCO_Project_25
APCO Project 25 (P25) Trunked Radio Systems (TRSs) because they follow the open APCO's Project 25 Standard for Public Safety TRSs. Multiple vendors make and sell Project 25 systems and compliant radios. Audio on these systems is exclusively digital using the APCO-25 Common Air Interface (P25 CAI) standard.. There are several "subsystem" features defined as part of the …
Talk:Project 25 (P25) - Signal Identification Wiki
https://www.sigidwiki.com/wiki/Talk:Project_25_(P25)
The sample at the bottom of the page P25Trunk_Sound.mp3 Is not found in the Radio reference database but i get these results : APCO P25 A43A7 Site 003-016 Control 01-0011 141.150 Callsign ZKBRJ8? MFID EADS Public Safety Inc. Modulation C4FM Continuous 4-Level Frequency Modulation Nac 233 SYS id 236--Mbeam 22:22, 9 February 2017 (NZDT)
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