Compliance | Phases | Frequencies


Updated: 4-May-2018

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

Main Operating Frequencies

Assignment Frequency Description

TAC1, Primary Emergency Net

147.570, T, 151.4

TAC2, Field Tactical 146.460, T, 151.4 Simplex
TAC3, Command 440.150+, T, 100.0 W6TDM Repeater
TAC4, Field Tactical 441.000, CT, 151.4 Simplex
TAC5, Field Tactical 147.585, T, 151.4 Simplex
Packet, Primary BBS 145.750
Connect to: W1XSC-1
Packet, Secondary BBS 145.690
Connect to: W4XSC-1


Channel Assignments, Cupertino

Chan Frequency, Tone Mode, Tone Purpose

Ch 1

147.570s, T, 151.4

VTAC1, Resource Net
Ch 2 146.460s, T, 151.4 VTAC2, Message Net, Field Tactical
Ch 3 440.150+, T, 100.0 W6TDM UTAC3, Command
Ch 4 441.000s CT/TSQL, 151.4 UTAC4, UTAC, Field Tactical, XBand
Ch 5 147.585s T, 151.4 VTAC5, Field Tactical, XBand
Ch 6 147.570s, CT/TSQL, 151.4 VTAC6, Resource Net
Ch 7 146.460s, CT/TSQL, 151.4 VTAC7, Message Net, Field
Ch 8 440.150s, T, 100.0 UTAC8, Simplex on loss of W6TDM
Ch 9 pending pending
Ch 10 147.585s CT/TSQL, 151.4 VTAC10, Field Tactical, XBand


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 11

147.360+, T, 110.9 W6TI

Message Net
Ch 12 145.450-, T, 100.0 K6FB SCC Message Net, Alternate 2
Ch 13 442.500+, T, 100.0 WB6ZVW SCC Command, Primary
Ch 14 443.275+, T, 107.2 K6SNY SCC Command, Alternate
Ch 15 146.115+, T, 100.0 AA6BT SCC Resource Net, Primary
Ch 16 145.270-, T, 100.0 W6ASH SCC Resource Net, North
Ch 17 444.625+, T, 110.9 N6NAC SCC Resource Net, South
Ch 18 145.230-, T, 100.0 N6NFI Hospital Net
Ch 19 146.640-, T, 162.2 WR6ABD NTS Net

In the event of a repeater failure, you may be asked to shift to simplex mode for the county channel. This bank is this simplex companion to the above repeater channels.

Chan Frequency Purpose

Ch 21

147.360s PL=110.9 Simplex

Message Net
Ch 22 145.450s PL=100.0 Simplex SCC Message Net, Alternate 2
Ch 23 442.500s PL=100.0 Simplex SCC Command, Primary
Ch 24 443.275s PL=107.2 Simplex SCC Command, Alternate
Ch 25 146.115s PL=100.0 Simplex SCC Resource Net, Primary
Ch 26 145.270s PL=100.0 Simplex SCC Resource Net, North
Ch 27 444.625s PL=110.9 Simplex SCC Resource Net, South
Ch 28 145.230s PL=100.0 Simplex Hospital Net
Ch 29 146.640s PL=162.2 Simplex NTS Net


Commercial Frequency Guard

During an activation, CARES Net Control Station (NCS) will 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

26 Jun 2021, (virtual) Field Day!
National Amateur Radio event that promotes emergency communications preparedness. Location... from home, check-in at 10:00am on zoom (link pending), TAC1.