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Roseville Police and Fire


  
US > California > Placer (County) [Sacramento]

Listen Feed Genre Listeners Player Selection Links Status
Roseville Police and Fire

City of Roseville Police and Fire. It may have two conversations at one time. They should appear in opposite channels in stereo feed with first traffic appearing in left channel and if a second conversation should occur, it will be in right channel.
Public Safety
18   Online

       

Feed Notes

My system is set-up to monitor the City of Roseville (CA) Police and Fire. They use a Motorola trunked radio system.

Talkgroups set to listen to are: 

I have modified and migrated my setup from my primary desktop to a low-power PC and have completely eliminated my initial scanner that had a discriminator tap. I am now using a single RTL-SDR dongle to listen to everything. Roseville's system spans from 851.2375-855.5500 MHz, a span of 2.3125 MHz. This allows me to view ALL frequencies at the same time with Unitrunker. I have 6 VCOs, which act like seperate tuners. 4 of the 6 VCOs are set to possible control frequencies while two are dedicated to voice traffic. I have Virtual Audio Cable (VAC) installed and each of those voice VCOs are set to a different virtual cable. I then use Virtual Repeater (included with VAC) to place the first traffic on the left channel and the next traffic on the right if you are listening in stereo. I then use RadioFeed to feed that stereo audio feed to Broadcastify for you to listen to; I found it far superior to ScannerCast, which added audio artifact and had less controls.

One thing I have hated when listening to a traditional scanner is I have a hard time prioritizing what is important to listen to at the moment. The excitement could be all on the police side or all on the fire side and nothing upsets me more with scanning when something exciting gets pre-empted for something boring. With my current setup, provided you are listening in stereo, you can hear two seperate transmissions simultaneously.

If I can find a good filtering program, I'd like to filter out some of the annoying audio but I have yet to solve that issue. I have experimented with a couple but both had dooming failures with selecting input and output channels; I could filter for my speakers locally for one conversation only, but not for streaming. In that testing, I found if I setup a bandpass filter allowing frequencies above around 260 Hz to around 2200 Hz, it sounded fairly well... anything narrower didn't sound good but anything either higher or lower than cutoff frequencies added to unwanted artifact.