starting to pull together info on the history of the Los Angeles County Fire Department radios systems
1930 - iirc they had a very early radio license for the ?Forest Fire Warden Dept? - maybe ?610? kc AM - (need to confirm that)
1949 - have FCC radio license for 154.43 - 524 North Spring St - 110 mobiles - "KHQE" - per https://worldradiohistory.com/Archive-FM-Magazine/FM-1949-07.pdf
1955 - seek 2nd radio frequency - have some portable radios - starting to use selective calling to alert some stations - have several dispatch centers - have several mountain top radio sites - per 2015 November new - CA - 1955 - LA County FD comms
1979 - use these channels -
Freq 1 - Central - 154.43
Freq 2 - Valley - 154.34
Freq 3 - Antelope and West - 154.40
Freq 4 - (??? maybe 153.83 mobiles and portables only ??? - just a swag)
Tac 5 - 154.295
Tac 6 - 154.28 - mutual aid with Downey
(per 1979 Visiting Fireman)
1982 ish - 154.295 is primary response channel in central area - (iirc - based on monitoring via scanner)
1992 - use VHF and UHF - per Los Angeles County Calif Fire - 1992 Wireless Comms Guidebook
2010 approx - added repeaters at 152 Mhz
1930 - iirc they had a very early radio license for the ?Forest Fire Warden Dept? - maybe ?610? kc AM - (need to confirm that)
1949 - have FCC radio license for 154.43 - 524 North Spring St - 110 mobiles - "KHQE" - per https://worldradiohistory.com/Archive-FM-Magazine/FM-1949-07.pdf
1955 - seek 2nd radio frequency - have some portable radios - starting to use selective calling to alert some stations - have several dispatch centers - have several mountain top radio sites - per 2015 November new - CA - 1955 - LA County FD comms
1979 - use these channels -
Freq 1 - Central - 154.43
Freq 2 - Valley - 154.34
Freq 3 - Antelope and West - 154.40
Freq 4 - (??? maybe 153.83 mobiles and portables only ??? - just a swag)
Tac 5 - 154.295
Tac 6 - 154.28 - mutual aid with Downey
(per 1979 Visiting Fireman)
1982 ish - 154.295 is primary response channel in central area - (iirc - based on monitoring via scanner)
1992 - use VHF and UHF - per Los Angeles County Calif Fire - 1992 Wireless Comms Guidebook
2010 approx - added repeaters at 152 Mhz
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