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KWO37: NOAA Weather Radio for Los Angeles, California

KWO37 is the NOAA Weather Radio transmitter at Los Angeles (transmitter at Mt. Lukens/Tujunga), broadcasting on 162.550 MHz at 340 watts. It carries the National Weather Service Los Angeles office's broadcast and covers 2 counties, each listed below with the SAME code an alert radio needs to wake for that county and stay quiet for the rest.

CallsignKWO37
Frequency162.550 MHz
TransmitterLos Angeles (transmitter at Mt. Lukens/Tujunga), California
Power340 watts
Forecast officeNWS Los Angeles
StatusNormal (NWS data, July 2026)

Marine radios often label 162.550 MHz as WX1, but WX channel numbers vary by brand - go by the frequency.

Counties KWO37 covers

CountyStateSAME code
Los AngelesCalifornia006037
VenturaCalifornia006111

Program the six-digit code into your radio's SAME location list - the SAME code guide walks through it, and how alert radios work explains what the radio does with it.

Hearing KWO37

Any receiver that tunes 162.550 MHz FM can listen: scanners, VHF ham radios, marine sets, or a software-defined receiver. What those do not do is wake you at 3 a.m. - for that you want a dedicated radio with SAME alerting, covered in the buyer's guide.

Every California transmitter, county and SAME code: NOAA Weather Radio in California. Or look any county up with the finder.

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