Radio Frequencies

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Portola Valley, California Ham Radio & Emergency Preparedness Communication Information


Portola Valley AM Radio - 1680

The Portola Valley Emergency Preparedness Committee (EPC) maintains an AM broadcast station on 1680 kHz, transmitting 24x7x365 recorded information about being prepared.  Should an emergency be declared, the AM radio will be updated accordingly. 

In the case of an emergency, please tune into Portola Valley's emergency broadcast station at AM-1680 to hear local updates and any emergency instructions. You can also stream this radio station via the internet at

Portola Valley CERPP Radio

The Portola Valley EPC participates with the local Citizen Emergency Response Preparedness Program (CERPP) communications on certain Red Cross VHF and UHF frequencies.  PV EPC maintains VHF and UHF radios per CERPP, and has Amateur radio communications, too.

Portola Valley Amateur Radio Club Repeaters

The Portola Valley ARC maintains two Amateur repeaters and one GMRS repeater.

      224.82 MHz Pl 110.9          KM6DLG

      146.085 MHz Pl 110.9        KM6DLG

The KM6DLG repeaters are linked.  Transmitting to one, repeats on both.

      462.675 MHz DCS 162      WQBS772


San Mateo County Office of Emergency Services (SMOEC)

SMOES maintains 146.865 PL 114.8.
SMOES operates a controlled net on Tuesday evenings at 8 pm for Amateurs to check in.  
Other radio frequency information is posted here

Parts of Portola Valley cannot reach the SMC OES VHF repeater system.  
In Portola Valley, there is a UHF link that connects to the SMC OES repeater system.  

440.975 MHz. PL 114.9Hz with input at 445.975 PL 114.9Hz