Compliance | Phases | Frequencies


Updated: 21 July 2021

All CARES members should review, understand, and load your radios with the frequencies that we use.

Operating Frequencies

Assignment Frequency Description

TAC1, Primary

147.570s, Tone, 151.4

TAC11, TAC1 Alternate 147.570s, CT/TSQL, 151.4 Simplex
TAC2, Message Net 146.460s, Tone, 151.4 Simplex
Resource Net 440.150+, CT/TSQL, 100.0 W6TDM Repeater
Resource Net, Direct 440.150s, CT/TSQL, 100.0 W6TDM output
TAC5, Field Tactical 441.000s, CT/TSQL, 151.4 Simplex
TAC6, Field Tactical 147.585s, Tone, 151.4 Simplex
Command 442.000+, Tone, 151.4 WW6HP Repeater
Command Alternate 442.000s, Tone, 151.4 WW6HP Output

Packet Frequencies

Assignment Frequency Description

Packet, Primary BBS

145.750, 223.620

Connect: W1XSC-1
Packet, Secondary BBS 145.690, 223.600 Connect: W4XSC-1


Channel Assignments, Cupertino (Suggested)

Chan Frequency, Tone Mode, Tone Purpose

Ch 1

147.570s, Tone, 151.4

VTAC1, Primary
Ch 2 146.460s, Tone, 151.4 VTAC2, Message Net, Field Tac
Ch 3 440.150+, Tone, 100.0 W6TDM UTAC3, Resource Net
Ch 4 440.150s, Tone, 100.0 UTAC4, Repeater output
Ch 5 441.000s, CT/TSQL, 151.4 UTAC5, Field Tactical, XBand
Ch 6 147.585s, Tone, 151.4 VTAC6, Field Tactical, XBand
Ch 7 442.000+, Tone, 151.4 UTAC7, Command Net
Ch 8 442.000s, Tone, 151.4 UTAC8, Repeater Output
Ch 11 147.570s, CT/TSQL, 151.4 VTAC11, VTAC1 Alternate


Channel Assignments, Santa Clara County

See the SCC RACES Frequency Page for the complete list of County, City, and other jurisdiction frequencies.
Chan Frequency, Tone Mode, Tone Purpose

Ch 101

147.360+, Tone, 110.9 W6TI

Message Net
Ch 102 145.450-, Tone, 100.0 K6FB SCC Message Net, Alternate 2, VHF
Ch 103 442.575+, Tone, 107.2 K6FB SCC Message Net, Alternate 2, UHF
Ch 104 442.500+, Tone, 100.0 WB6ZVW SCC Command, Primary
Ch 105 443.275+, Tone, 107.2 K6SNY SCC Command, Alternate
Ch 106 146.115+, Tone, 100.0 AA6BT SCC Resource Net, Primary
Ch 107 145.270-, Tone, 100.0 W6ASH SCC Resource Net, North, VHF
Ch 108 440.800+, Tone, 100.0 W6ASH SCC Resource Net, North, UHF
Ch 109 444.625+, Tone, 110.9 N6NAC SCC Resource Net, South
Ch 110 145.230-, Tone, 100.0 N6NFI Hospital Net
Ch 111 146.640-, Tone, 162.2 WR6ABD NTS Net

NOTE! In the event of a repeater failure, you may be asked to shift to simplex mode for the county channel. Make shre you know how to turn off the repeater offset on your radio.


Commercial Frequency Guard

During an activation, CARES Net Control Station (NCS) may request one or more net participants to listen to the following Emergency Alert System (EAS) Local Primary (LP) stations and other stations of interest to monitor for reports for five minutes, then return to this net and report on what was heard. Additionally, other Amateur Radio frequencies are also included as part of the Guard.

Station Frequency Purpose


740 KHz AM

LP1, National Primary EAS Station
KFBK 1530 KHz AM CA State Primary EAS Station
KLIV 1590 KHz AM Public AM station (Local CNN News)


Upcoming Activities

4 Nov 2021, Monthly Meeting
Communications Outage Exercise Prep, 7:30pm to 9:00pm, by Teleconf.   

20 Nov 2021, Comm Exercise
PSPS And Comm Outage, 8:00a to 12:00p   

2 Dec 2021, Monthly Meeting
Exercise Follow-up, Year in Review, 7:30pm to 9:00pm, by Teleconf.