FREQUENCIES

The tables below contain the VHF Voice, UHF Voice and Packet Resources frequencies and other information. This information can be downloaded as a pdf document, or in CHIRP format as a csv file or as an Excel file. Additionally, a listing of all operational repeaters between San Ardo - Williams Hill and Lompoc can be downloaded as a pdf document.

Also below is a list of frequencies that can be monitored during an emergency or disaster to obtain additional information about progress during the event. In an emergency, hams should initially monitor 146.670, minus offset, tone 127.3.

VHF Voice

Frequency	Callsign	Offset	Tone	Location	Sponsor
146.620	W6SLO	-	127.3	Rocky Butte	SLOECC
146.670	W6SLO	-	127.3	Tassajera Pk	SLOECC
146.700	WB6FMC	-	127.3	View Hill	Van Lyons (off air)
146.730	W6SLO	-	127.3	Williams Hill	SLOECC
146.760	W6BHZ	-	91.5(in) 127.3(out)	Cal Poly	CPARC
146.800	W6SLO	-	127.3	Cuesta Peak	SLOECC
146.835	W6SLO	-	127.3	Black Mtn.	SLOECC
146.860	W6SLO	-	127.3	Clark Cyn.	SLOECC
146.880	KB6TAZ	-	127.3	11 mi W Templtn	KB6TAZ
146.940	W6SLO	-	127.3	Lopez Hill	SLOECC
146.980	KK6ATA	-	127.3	San Miguel	KK6ATA
147.270	KC6TOX	+	127.3	Cambria	SLOECC
147.360	W6SLO	+	127.3	Mt. Lowe	SLOECC
147.990	WB6MIA	-	127.3	Nipomo	SLOECC
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VHF Voice/Tactical Simplex

Frequency	Name	Offset	Tone	Location	Sponsor
146.550	SLOTAC655	S	None	SLO County	ARES-RACES
147.420	SLOTAC742	S	None	SLO County	ARES-RACES
147.450	SLOTAC745	S	None	SLO County	ARES-RACES
147.480	SLOTAC748	S	None	SLO County	ARES-RACES
147.540	SLOTAC754	S	None	SLO County	ARES-RACES
147.570	SLOTAC757	S	None	SLO County	ARES-RACES
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UHF Voice

Frequency	Callsign	Offset	Tone	Location	Sponsor / Notes
442.300	W6BHZ	+	127.3	Cal Poly	CPARC (cross-linked with 146.760)
442.700	W6SLO	+	127.3	Cuesta Peak	SLOECC
444.525	W6FM	+	127.3	Tassajera Pk.	Not Listed
444.700	W6WJ	+	127.3	Rancho Grande Hill	CCARG
444.975	W6SLO	+	127.3	Clark Cyn	SLOECC
Wide Area Simulcast: All repeaters linked at all times
444.100	W6SLO-L	+	127.3	Lopez Hill	SLOECC
444.100	W6SLO-T	+	127.3	Tassajera Pk.	SLOECC
444.100	W6SLO-R	+	127.3	Rocky Butte	SLOECC
444.100	W6SLO-B	+	127.3	Black Mtn.	SLOECC
444.100	W6SLO-LH (RX only)	+	127.3	Cambria Lodge Hill	SLOECC
444.100	W6SLO-C (RX only)	+	127.3	Cuesta	SLOECC
444.100	W6SLO-D (RX only)	+	127.3	Davis	SLOECC
444.100	W6SLO-SA	+	127.3	San Antonio Hill	SLOECC
444.100	W6SLO-P	+	127.3	Plowshare Peak	SLOECC
For current locations, see https://aprs.fi/w6slo
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Packet Resources

(last updated 06 September 2023)

Frequency	Alias	Call	Location	Type	Sponsor
145.07/446.95	TASS	W6SLO-1	Tassajera Pk.	Network Node	SLOECC
145.09/446.95	W6SLO-6	BLACK	Black Mtn	Network Node	SLOECC
145.05/446.95	NIPOMO	WB6MIA-10	Nipomo	Network Node	SLOECC
145.01/446.95	SIMEON	AE6EQ-10	Rocky Butte	Network Node	SLOECC
144.39	N/A	WB9VXY-5	Tassajera Pk.	APRS Digi	SLOECC
144.39	N/A	W6SLO-2	Rocky Butte	APRS Digi	SLOECC
144.39	N/A	W6SLO-5	Clark Valley	APRS Digi	SLOECC
446.95	N/A	AE6EQ-7	County EOC	RMS Gateway	SLOECC
446.95	N/A	W6BHZ-10	Cal Poly	RMS Gateway	Cal Poly
145.07	N/A	NS7C-10	Paso Robles	RMS Gateway	NS7C
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Frequencies to Monitor

Frequency (MHz)	Use
34.900	Used nationwide by the National Guard during emergencies.
39.460	Inter-department emergency communictions by local and state police forces.
47.420	Red Cross relief operations across the United States.
52.525	Calling frequency used by amateur radio operators in the FM mode on the six meter band.
121.50	International aeronautical emergency frequency.
138.225	Federal Emergency Mangement Agency (FEMA) disaster relief operational channel; active during earthquakes, hurricanes, floods and other catastrophic events.
146.520	Used by amateur radio operators for non-repeater communications on the two-meter band; it is very busy in many parts of the country.
146.670	Used by amateur radio operators in San Luis Obispo County for initial emergency communications.
151.625	Used by "itinerant" businesses, or those that travel around the country. Circuses, exhibitions, trade shows and sports teams are some of the users you can hear. Other widely-used itinerant channels are 154.570 and 154.600.
154.280	Inter-department communications by local fire departments; 154.265 and 154.295 are also used.
155.160	Inter-department emergency communications by local and state agencies during search and rescue operations.
155.475	Inter-department emergency communications by local and state police forces.
156.750	International broadcasts of maritime weather alerts.
156.800	International maritime distress, call and safety channel. All ships must monitor this frequency while at sea. It is also heavily used on rivers, lakes, etc.
162.400	NOAA weather broadcasts and bulletins.
162.425	NOAA weather broadcasts and bulletins.
162.450	NOAA weather broadcasts and bulletins.
162.475	NOAA weather broadcasts and bulletins.
162.500	NOAA weather broadcasts and bulletins.
162.525	NOAA weather broadcasts and bulletins.
162.550	NOAA weather broadcasts and bulletins.
163.275	NOAA weather broadcasts and bulletins.
163.4875	Used nationwide by the National Guard during emergencies.
163.5125	The national disaster preparedness frequency used jointly by the armed forces.
164.500	National communications channel for the Department of Housing and Urban Development (HUD).
168.550	National channel used by civilian agencies of the federal government for communictions during emergencies and disasters.
243.000	Military aviation emergencies.
311.000	Flight channel used by the U.S. Air Force.
317.700	U.S. Coast Guard aviation.
317.800	U.S. Coast Guard aviation.
319.400	U.S. Air Force.
317.700	U.S. Navy aviators.
409.200	National communications channel for the Interstate Commerce Commission (ICC).
409.625	National communications channel for the Department of State.
462.675	Emergency communications and traveler assistance in the General Mobile Radio Service (GMRS).
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