FREQUENCY Coordination

SPECTRUM Coordination

The Karo-Echo Coordination Team: Don, NI6A, team lead

Job Duties: To coordinate radio frequency usage for radio disaster services in order to minimize interference on Ham, GMRS, FRS, and Digital Networks and establish a Message Center protocol to coordinate and maximize inter-operability between networks, as well as to titrate message precedence.

Communications Coordination encompasses two critical domains

1: Ham Radio Simplex Frequency Coordination

A: Ham Radio Simplex Frequency Coordination between all Karo/Echo CERT Areas and the EOC

B: Ham Radio Simplex Frequency Coordination with neighboring EMcomm (Emergency Communications organizations and ACS (Auxiliary Communications Systems) Outside of Kensington/El Cerrito


2: FRS/GMRS Frequency Coordination

Each CERT Area will cooperate by reporting their primary and secondary FRS and GMRS frequencies. Frequencies/channels should be staggered in order to avoid inter-area interference between adjacent CERT areas. Intra-area channel choices are relegated to the individual CERT area coordinators, but should be coordinated through KE's Coordinating body. Each Area shall do their own intra-area mapping in the attempt to establish 100% communication between FRS block stations and Ham radio dual station or GMRS/Ham dual stations for relay to the Area ICP without the need for relays, if possible.

The following CERT areas have applied for the following frequencies.

CERT AREA KEN6: FRS/GMRS Channel 6 primary and FRS/GMRS Channel 1 secondary. Status: Coordinated

CERT AREA EC1: Status: Pending

CERT AREA EC4: FRS/GMRS Channel 2 primary and FRS/GMRS Channel 7 secondary . Status: Coordinated

CERT AREA EC5: FRS/GMRS Channel 5 primary and FRS/GMRS secondary (TBD). Status: Coordinated

CERT AREA EC8: FRS/GMRS Channel 1 primary and FRS/GMRS Channel 6 secondary. Status: Coordinated

CERT Area EC9: FRS/GMRS Channel 15 primary and FRS/GMRS Channel 2 secondary Status: Coordinated

Notes:

  • Channels 8-14 are restricted to 1/2 watt for both GMRS and FRS and are to be used intra-block (SAR, Triage, Fire Suppression, etc)

  • Channels 1-7 are for longer range comms such as inter-block comms to and from the AREA ICP where GMRS are allowed 5 watts and FRS 2 watts maximum.

  • Channels 15-22 are restricted to 2 watts FRS and 50 watts GMRS

  • Channels 23-30 are restricted for GMRS repeater inputs .

GMRS/FRS Mapping: Each CERT Neighborhood Area should be mapped so that block dead spots and hot spots are identified and remedial measures implemented.

Frequency Coordination between CERT areas (Inter-Area) through the use of Amateur Radio and GMRS Interfaces

The KARO/ECHO primary frequency 146.415 MHz with 146.475 MHz as secondary.

The assigned Contra Costa County OES frequency for KARO/ECHO CERT is 146.475 MHz simplex.

No GMRS inter-area coordination has yet been established.

Mapping: All operators should become familiar with propagation characteristics over local terrain. We know that the earth, steel concrete buildings, and large objects impede signal through put. Each location should get a good idea of these basic principles through mapping stations that they are able to establish direct contact and those which are marginal or out of range. Each operator must experiment in order to understand basic radio propagation principles. Beginners can practice at each net simplex check-in. Each HAM station should have the capability of contacting the EOC on simplex. Each FRS/GMRS station should strive to contact their Staging Area or ICP. If limited to FRS please map your own neighborhood block to establish maximum range. When range needs to be extended explore the possibility of installing an outdoor GMRS antenna and/or increasing GMRS power output.

Mapping Tool: Just enter the address that you want to contact and see the path and obstructions if any https://link.ui.com/#

Coordination with neighboring EmComm organizations

Communication and coordination is necessary in order to minimize interference and to arrange for mutual aid if needed, since, many disasters are local and not widespread equally among geographical regions. Mutual-aid can take the form of training exercises, skilled operators, and sharing needed resources such as water, food, medicines, generators, skilled nursing, rescue equipment etc. This is especially valuable if our local agencies are overworked and unavailable.


A1: The KARO/ECHO primary frequency 146.415 MHz simplex

A2: 146.475 MHz simplex secondary

A3: 146.475 MHz (secondary) EC/K CERT allocation by Contra Costa County OES

B: West CoCo County RACES 145.110 MHz (repeater TX -600 KHz PL 82.5)

C: CoCo County OES Martinez 146.505MHz simplex

D: Richmond City 147.450 MHz simplex CERT & EOC

E: San Pablo 147.495 MHz simplex CERT

F: Pinole 147.570 CERT

G: Crockett 146.490 CERT

H: Hercules 147.540 CERT

I: NVIS NET: Marin RACES Tues 1800 3.895 MHz - LSB. Then move to 5405 KHz (ch5) and 1983 KHz

J1: EC9 FRS/GMRS Net First Wednesdays 1900 ch. 15

J2: EC4 FRS/GMRS Net First Wednesdays 1845 ch. 2

J3: EC5 FRS/GMRS Emergency frequency Ch. 5

J4: EC8 FRS/GMRS Ch 1

J5: EC1 FRS/GMRS Ch ?

J6: KEN6 FRS/GMRS Net First Wednesdays 1830 ch. 6

K: West County GMRS/FRS Wide Area Net -- first Wednesdays) ch 15 or ch 19 simplex at 1100

L1: NALCO ARES/RACES 440.900 MHz (TX +5 PL 131.8)Thursday at 1915 hours

L2: NALCO ARES/RACES 147.480 simplex

M: Contra Costa County RACES (OES) 3893 KHz LSB

N: Oakland ARES/RACES 146.880 MHz (repeater TX -600 PL 77)

O: Richmond EOC Monthly Radio Tests first Thursdays 10:30 AM 147.450, 441.000 and 223.400 simplex

P: CoCo County OES Martinez 145.41, 147.735, &145.490 (WA6HAM Linked Repeater System TX -600 PL 107.2)

Q1: East Richmond Heights First Wednesdays FRS/GMRS 1930 Ch.7

Q2: East Richmond Heights First Wednesdays Ham 1845 442.150 +5MHz, pl tone 107.2.

R: BeCERTAINN (Berkeley CERT & Inter-Neighborhood Network) 1930 1st Tues GMRS Ch.22 Rptr (+5 PL 88.5)

S. Live Feeds to Contra Costa County Fire, Police, CalFire, W6CX Repeater, and related live feeds

T1: American Red Cross of the Bay Area (ARCBA) Wed 2000 WW6BAY 443.975 MHz, +5 PL 100

T2: Bay Area Red Cross: 3891KHz LSB at 0730; 5371.5 (ch4) 0745 or 5357 (ch3) USB; 7181 LSB at 0800

every Saturday

U. Bay Area Hospital Net, 147.060 MHz TX +600 PL 100 (temporarily down)

V. CARS (California Amateur Radio Service) 1100 M-F 7.248 MHz LSB See: CARS Website

W. SATERN Net Mondays 2000 local (W6CX) 147.060 + (100PL); Linked to 224.780/441.325 + (100PL)

X. Marin Amateur Radio Society 146.700 Mhz, - pl 203.5 Big Rock Ridge, pl 179.9 Mt. Tam, pl 167.9 Mt. Barnabe, Linked Simulcast System. Also 147.330 MHz + pl 192.8 147.330 MHz + pl 173.8 (Net on Tues 1930)

Y. California Auxiliary Communications Service (ACS) formerly California State RACES:

Monday at 2000 hours local - California Emergency Services Net (CESN) 3992 KHz LSB Primary or 3960 KHz LSB Alternate(Mutual Aid Regions 1 through 6)

4th Monday at 2030 hours local - California Emergency Services Net (CESN)-- (No Nets on the 4th Monday for 2019) (Mutual Aid Regions 1 through 6)

Wednesday at 1000 hours local - California Emergency Services Net (CESN) 7230 KHz LSB Primary or 7192 KHz LSB Alternate (Mutual Aid Regions 1 through 6) -- SEE: for changes http://www.acscalifornia.org/nets.html

Z1. Bay Area EMCOMM Net Every Saturday 0900 145.110 (-600 KHz) pl 82.5Hz (WA6KQB/R 2 meters)

Z2. Bay Area EMCOMM Net Every Saturday 0915 224.300MHz (-1.6 MHz) PL 82.5 (WA6KQB/R 1.25 meters)

Z3. Bay Area CERT EmComm Net Every Saturday 0930 444.275MHz (+5 MHz) PL 82.5 (WA6KQB/R 70 cm)


Annotations : Local and Adjacent Nets:

  • A: 1900 Thurs KAROECHO Net 146.415 MHz Simplex

  • B: 1845 Thurs West Co Co Cty ACS/RACES Net

  • I. NVIS NET: Marin RACES Tues 1800 on 3.895 MHz - LSB. Then move to 5405 KHz (ch5) and 1983 KHz. Guests Welcome

  • J: El Cerrito/Kensington GMRS/FRS Emeregncy Freqs and neighborhood Nets

  • L: 1915 Thurs NALCO ARES/RACES Net

  • K: West County GMRS/FRS Wide Area Net - (1st Wednesdays) ch 15 or ch 19 simplex at 1100

  • M: 1835 Thurs 3893 KHz LSB Co Co County RACES/ACS Net

  • P: 1920 Thurs Co Co County Wide Net (WA6HAM linked repeater system)

  • Q1: 1930 Richmond Heights (R2R) GMRS/FRS Net 1st Wednesday of each month. FRS/GMRS Ch. 7

  • Q2: 1845 Richmond Heights Ham Net, 1st Wednesday of each month WA6DUR/R 442.150 +5MHz, pl tone 107.2

  • R: 1930 Meets Monthly on the first Tues BeCERTainn (Berkeley CERT GMRS Net Ch.22 (462.725 MHz) Tx +5MHz PL 88.5

  • T1: 2000 Wednesdays (Am. Red Cross of Bay Area Net) (ARCBA) Wed 2000 WW6BAY 443.975 MHz, +5 PL 100

  • U: 1200 (noon) 4th Wednesday of month -- monthly-- Bay Area Hospital Net-- (temporarily off)

  • W: Salvation Army Team Emergency Network (SATERN) - Net at Mon 2000 (W6CX) 147.060 Linked to 224.780/441.325 + (100PL)

  • X. Marin Amateur Radio Society (the k6gwe repeater system) 146.700 Mhz, - pl 203.5 Big Rock Ridge, pl 179.9 Mt. Tam, pl 167.9 Mt. Barnabe. Linked Simulcast System. Also 147.330 MHz + pl 192.8 147.330 MHz + pl 173.8 (Net Tues evenings 1930); and 443.525 MHz + pl 82.5 Hz

  • Z1. Bay Area EMCOMM Net Every Saturday 0900 145.110 (-600) pl 82.5Hz (Coastal Bay Area Counties)

  • Z2. Bay Area EMCOMM Net Every Saturday 0915 224.300MHz (-1.6 MHz) PL 82.5 (WA6KQB/R 1.25 meters (Coastal Bay Area Counties)

  • Z3, Bay Area CERT EMCOMM Net, Evey Saturday 0930 444.275MHz (+5 MHz) PL 82.5 (Richmond and West Co Co Cty CERT)

National Traffic System

California Traffic Net 3906 LSB KHz daily at 1800 LSB (California, Arizona, and Nevada) National Traffic Net

Golden Bear Amateur Radio Net 3975 LSB KHz Daily 1900

Radio Relay International (Nationwide Traffic Net) Directory

Northern California Net (NCN) Daily at 1900 on 3533 KHz CW (Northern California and Nevada Traffic)

Northern California Net (NCN) Slow Speed Net 2100 Daily 3533 KHz CW (Northern California and Nevada Traffic)

Adjacent Alameda County Frequencies and Weekly Nets

NALCO ( Berkeley)

Frequencies ....... Offset/Tone ...... Weekly Net ....... Notes

147.480 ....... Simplex

224.900 ...........(-1.6Mhz) 131.8 ......Net Thu 18:45 ......Low-level ARES/RACES use (SECONDARY)

440.900 ...........(+5MHz) 131.8. .......Net Thu 19:15 .....Low-level ARES/RACES use (PRIMARY)

1285.55 ...........(-12MHz) 114.8 ................................ Low-level ARES/RACES use (RESOURCES)


BEcertainn (Berkeley GMRS CERT Repeater Network)

462.725 ...........(+5MHz) 88.5 ..........Net First Tues of every month 1930 ....... Low Level CERT GMRS Repeater


ORCA ( Oakland )

Frequency .......... Offset/Tone ........ Weekly Net ....... Notes

146.88 ............ (-) 77.0 .................Net Thu 19:30

442.40 ............ (+) 77.0

147.585 ........... Simplex (PRIMARY)

146.565 ........... Simplex (SECONDARY)

ARCA ( Alameda )

Frequency ........... Offset/Tone ........ Weekly Net ....... Notes

444.575 ............ (+) 88.5 ............... Net Thu 19:00

146.505 ............ Simplex (PRIMARY)

146.535 ............ Simplex (SECONDARY)


3. Coordination with local NGOs to Aid Messenger Services

Local running, bicycling, Scout Troops, PTAs, service organizations, Neighborhood Watch, and Church organizations are potent resources for runners, scribes, crowd control, and CERT volunteers within the CERT areas. Be sure to include them as a valued resource.

4. Training in Efficient message center operations should be made available as well as FRS/GMRS and radio training classes. Since smooth Interoperability is key, all radio frequencies should be coordinated by the KAROECHO Coordination body.

Not only ham frequencies need to be coordinated in order to avoid interference; but also FRS/GMRS CERT frequencies. A message center model for each ICP must be established so that messages can be triaged/titrated and handed off from one service to the other be it by ham, FRS, GMRS, runner, or bicyclist.

Cert blocks and CERT Area ICPs must be COORDINATED as to frequencies or they will interfere with each other. Interference with neighboring CERT areas such as Berkeley, Albany, and Richmond on our borders can and should be avoided, through coordination.

A List of Relevant HF, VHF, UHF SIMPLEX EmComm Frequencies in our area

Link to FRS/GMRS frequencies, numeric designators, and power limitations

El Cerrito/Kensington CERT Area Maps and Area Coordinator Contact List

El Cerrito Kensington CERT Disaster Staging/Gathering Areas (Unfortunately this information is no longer available)

Northern California Band Plans by NARCC (The Northern Amateur Relay Council of California)

Northern California Coordinated Repeaters by NARCC