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Newport News Police and Fire

US > Virginia > Newport News (City) [Norfolk-Newport News-Va Beach]

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 Newport News Police and Fire

Newport News VA, Police and Fire dispatch, from their Project 25 Phase II radio system. Running on a Pi-3B with a RTL-SDR, running OP25 and Liquidsoap.
Public Safety
24   Online


Feed Notes

Newport News Police and Fire

P25 control frequencies: 856.5875, 857.2625, 858.2625, 859.2625

Talk Groups:  101, 102, 103, 201




My testing shows about 1 to 2 minutes delay from real time capture, until it is played back from Broadcastify.

2020-07-02  Increased volume by 50%.  Applied an audio gain of 1.5 in OP25.
2021-05-10  Added Alpha Tags in OP25 meta.json file.  They seem to be delayed about 1 to 4 seconds from the audio.  It appears that very short transmissions (less than 2 seconds) may not display the Alpha Tag.  EDIT:  Interesting, after my setup with Alpha Tags enabled ran for a couple of days, the Alpha Tags are now showing up on the client right at the same time as the audio, no more than a half second delayed now.
2021-09-30  Added a monthly reboot of the Raspberry Pi at 4am on the 1st of each month.
2022-03-14  Major update.  My rig is now running Raspberry Pi OS 11 (Bullseye) 64-bit Lite, OP25 (boatbod) from github, and Liquidsoap.  I completely rebuilt everything on another Pi 3B I had, then moved the mSD card into the main Pi running I have running OP25.  I'm hoping this configuration is more stable than using the audio aloop with darkice.  Time will tell.  So far it's working and sounds good.
2022-04-25  Updated to Liquidsoap 2.0.4 for better memory management.