SSRF-Lite reference data

Contracosta Repeaters

Systems · US / CA / ContraCosta / Countywide · Amateur · Updated 2026-11-07 · systems/US/CA/ContraCosta/_Countywide/amateur/contracosta_repeaters.yml

Amateur

Channels

6 assignments, sorted by frequency. Frequency is what your radio receives; input is what it transmits on for repeaters.

Freq (MHz)	Input (MHz)	Mode	Tone / CC	Name	Usage	Callsign	Location	Service	Notes
145.1100	144.5100	FM	CTCSS 82.5 Hz	WA6KQB 145.110	repeater	WA6KQB	Sobrante Ridge (El Sobrante), Contra Costa County, CA (approx)	Amateur	Contra Costa Communications Club (4Cs).
145.4100	144.8100	FM	CTCSS 107.2 Hz	WA6HAM 145.410	repeater	WA6HAM	Highland Peak (San Ramon), Contra Costa County, CA (approx)	Amateur	CCRA linked. Closest machine to the Danville destination.
145.4900	144.8900	FM	CTCSS 107.2 Hz	WA6HAM 145.490	repeater	WA6HAM	Bald Peak (Orinda), Contra Costa County, CA (approx)	Amateur	CCRA linked.
147.7350	147.1350	FM	CTCSS 107.2 Hz	WA6HAM 147.735	repeater	WA6HAM	Kregor Peak (Clayton), Contra Costa County, CA (approx)	Amateur	Contra Costa Repeater Association, linked.
224.3000	222.7000	FM	CTCSS 82.5 Hz	WA6KQB 224.300	repeater	WA6KQB	Sobrante Ridge (El Sobrante), Contra Costa County, CA (approx)	Amateur	4Cs 1.25m machine, -1.6 MHz split.
444.2750	449.2750	FM		WA6KQB 444.275	repeater	WA6KQB	El Sobrante, Contra Costa County, CA (approx)	Amateur	4Cs 70cm. CTCSS tone was truncated on the source page and is not recorded.

6 locations.

No coordinates

loc_ccra_kregor

No coordinates

loc_ccra_baldpeak

No coordinates

loc_ccra_highland

No coordinates

loc_fourcs_145110

No coordinates

loc_fourcs_224300

No coordinates

loc_fourcs_444275

Callsigns: WA6KQB

org_4cs

Callsigns: WA6HAM

org_ccra

What it takes to transmit on these channels.

FCC · Class: Technician or higher

TX requires a US amateur license.

Where this data came from. Verify on the air before relying on it.