South Sonoma County
Auxiliary Communication Service
Serving Petaluma, Rohnert Park, Cotati, Sonoma State University,
surrounding areas, and provides relay traffic to the coastal relays.
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South Sonoma County

Auxiliary Communication Service

About ACS

The Auxiliary Communications Service (ACS) is a program created to supplement government emergency communications with professional, unpaid volunteer staff. ACS is not an amateur radio club. It is part of local government and operates under the authority of the Sonoma County Department of Emergency Management.

About South Sonoma County ACS

The Auxiliary Communications Service (ACS) is subdivided in to units serving geographical areas. The South Sonoma County Unit serves the communities of Petaluma, Cotati, Rohnert Park and Sonoma State University.

Leadership

Unit Leader Eric Swanson WB6MVT 707-762-3118 H 707-478-3408 C
Assistant Peter Parks KK6HQT 707-217-8234
Assistant Mike Grummell KE6IID 707-529-9132
Petaluma EOC Tony Kamby KD6WYH
Cotati EOC Nick Vicencio N1NER
Rohnert Park EOC Johnathan Brown AK6VB 707-588-8982
SSU EOC {vacant}
Training Tony Kamby KD6WYH
Packet / ATV Johnathan Brown AK6VB 707-588-8982
APRS Ed Jacobson W1EJ 707-364-4482

Frequencies

Purpose Frequency
Tactical Repeater 146.910 – 88.5 PL
146.910 – 88.5 PL (decode) Simplex if Repeater fails
Tactical Simplex – EOC TO EOC 146.550 Simplex
Resource Simplex Petaluma 147.495 Simplex
Resource Simplex Rohnert Park, Cotati, SSU 147.405 Simplex
South County EOC-EOC /ATV 223.460 Simplex
Rohnert Park CERT Simplex 146.420 Simplex
County Emergency HF Day 7245 kHz
County Emergency HF Night 3915 kHz
State Weekly OES Net Wednesday 10:00 AM 7192 kHz

Nets

When What Frequency / Repeater
Mondays at 1900 hours Sonoma County ACS Net 146.730 – 88.5 PL
145.350 – 88.5 PL (alternate)
Mondays at 1915 hours South Sonoma County ACS Net 146.910 – 88.5 PL
146.550 Simplex
Tuesdays at 1930 hours Sonoma-Mendocino Coast HF Net 3.940 MHz (or there about) 7.245 MHz (Emergency net day light frequency)

Downloads

South County Operational Area - Field Operations Guide
ACS Manual
Volunteer Handbook
Winlink ICS-213 Form for Sonoma County ACS (Installation instructions)
ACS_Packet_Manual

Links

Sonoma County Operational Area ACS
Earthquake Information USGS
Weather NOAA
Redwood Empire DX Association (REDXA)
Sonoma Mountain Repeater Society SMRS
Amateur Radio ARRL ARES
Winlink 2000 www.winlink.org
FEMA ICS Forms

Local Incident Links

County of Sonoma Fire Incident Map
SoCo Emergency
Windy.com

Join ACS

ACS Level One Training Requirements (in addition to in-person training)
IS-100 Introduction to Incident Command System IS-100
IS-700 ICS for National Incident Management System (NIMS) An Introduction IS-700
ACS Level Two Training Requirements (in addition to in-person training)
IS-200 ICS for Single Resources and Initial Action Incidents IS-200
IS-800 ICS for National Response Framework, An Introduction IS-800
All FEMA Independent Study Courses FEMA Courses

(Revision 24 August 2024)