Public Safety 4940-4990 MHz Band

This is the place to discuss generalized scanner questions and information for San Diego County. Whether it's radios, antennas, or other general scanner related topics, you can talk about it here.
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branando
Posts: 2
Joined: Fri Aug 07, 2020 10:22 pm

Public Safety 4940-4990 MHz Band

Post by branando »

Does anybody know specifically what this is? I found it on Radioreference and it seems interesting: https://www.radioreference.com/db/fcc/callsign/WRBR601

The emission designator is 10M0W7W, which classifies it as Public Safety LTE (which I cant find much info on either)

The weird thing is that I cant recieve it, even with a clear LOS to the Palomar Mtn Boucher Hill site and a log periodic with my Hackrf. It seems like it wouldn't even be that useful, since I imagine that 4.9GHz has terrible penetration for anything except line of sight. And I don't think it's a point-to-point link since the FCC document says theres 4 antennas with 90° beamwidths, covering the entire 360° horizon

There's also another system with the same frequencies, but at different locations and callsign: https://www.radioreference.com/db/fcc/callsign/WRCC817
800
Posts: 122
Joined: Sun Oct 08, 2006 4:35 pm
Location: Hanover County, VA

Re: Public Safety 4940-4990 MHz Band

Post by 800 »

These are point-to-multipoint microwave data links for the County Fire Authority to service the CFA stations in remote areas. You would not be able to hear a 10 MHz wide data signal.
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