Weather radio in California

KHB49: NOAA Weather Radio, San Francisco

162.400 MHz · 300 W · On the air

KHB49 broadcasts NOAA Weather Radio on 162.400 MHz (WX2 on most receivers) from San Francisco, with the transmitter at Mount Pise, California, at 300 W. The National Weather Service office in San Francisco, CA programs it. It covers 16 counties.

The transmitter and its neighbors

KHB49 (the largest dot) and the transmitters within 100 miles, colored by their status now.

  • On the air
  • Degraded
  • Off the air

The transmitter

Call sign
KHB49
Frequency
162.400 MHz (WX2)
Power
300 W
Status
On the air
Station
San Francisco
Transmitter site
Mount Pise
NWS office
San Francisco, CA
Location
37.4506, -122.3383

Counties covered

Program a SAME receiver with the code of your county. Coverage is NWS’s note of the part of a county the signal reaches.

CountyStateSAME codeCoverage
AlamedaCalifornia006001Whole county
Contra CostaCalifornia006013Whole county
MarinCalifornia006041Whole county
NapaCalifornia006055South
San FranciscoCalifornia006075Whole county
San MateoCalifornia006081Whole county
Santa ClaraCalifornia006085North
Santa CruzCalifornia006087North
SonomaCalifornia006097Whole county
SonomaCalifornia106097Scattered
SonomaCalifornia206097Scattered
SonomaCalifornia306097Scattered
SonomaCalifornia406097Scattered
SonomaCalifornia606097Scattered
SonomaCalifornia706097South
SonomaCalifornia906097Whole county

Nearby transmitters

More

Weather radio in CaliforniaEvery transmitterThe forecast hereAlerts in force in California

Sources

Transmitters, status and county coverage from the National Weather Service’s NOAA Weather Radio county coverage listing (data). Public domain. Read September 26, 2026 at 6:48 AM UTC; held for an hour. Original at weather.gov. Report an outage to NWS at weather.gov/nwr.