Law Enforcement agencies in Orange County share a common trunked radio system with each other as well as other County services. Most of the law enforcement talk groups are digital and encrypted with a select few talk groups being unencrypted analog or digital.

I frequently receive requests for information regarding radio monitoring Orange County Law Enforcement. I hope the following will answer most of your questions and dispel a few myths as well.
 
Q: Can I monitor police in Orange County?
Most law enforcement communications including dispatch and tactical talk groups are digital-encrypted and can not be monitored. There are a few exceptions like Airport Police at John Wayne Airport, which are unencrypted digital, the County RED (Emergency) talk groups 7696 (analog) and 50720 (unencrypted-digital) and Air Call on 45.3MHz.
 
Q: Is there a radio scanner available that can monitor unencrypted digital talk groups?
The only radio scanners currently (July 2003) on the market that can monitor unencrypted digital talk groups on the Orange County system are the Uniden BC250D and BC785D with the required BCi25D digital card. As of July 2003 these radio scanners are running about $650 street price with the digital card.Radio Shack is currently developing a digital capable radio scanner, the Pro-96, which should be available late 2003 and will cost $599. The Radio Shack Pro-96 includes some features not found on the Uniden models and lacks some other features. The most prominent feature lacking in the Pro-96 (in my humble opinion) is the lack of military air band frequencies.
 
Q: Will radio scanners be able to monitor digital-encrypted talk groups?
No. Unlike digital modulation, which is no more secure than analog modulation, encrypted communications are designed to be secure.Encrypted radio systems contain a key (a string of bits) which are used to encrypt/decrypt messages. This key can be changed frequently so even if someone were to "hack" the key it might be different the next day.
Encrypted radio systems use similar technology you use to bank online and it is just as illegal to "hack" an encrypted radio system as it is to "hack" your online bank account.

 

Migration Schedule
The following table lists the date that each agency made their final switch to the digital trunked radio system. This is included here for historical reference only.
   
Date Agency
January 2, 2001 Buena Park
January 3, 2001 La Palma
January 23, 2001 Garden Grove
January 7, 2001 Huntington Beach
January 20, 2001 John Wayne Airport
February 27,2001 District attorney
February 28, 2001 Animal Control
March 6, 2001 Fountain Valley
March 6, 2001 Juvenile Probation
March 7, 2001 Adult Probation
March 21, 2001 Westminster
March 21, 2001 La Habra
April 3, 2001 Seal Beach
April 3, 2001 Westminster
April 4, 2001 Cypress
April 9, 2001 Los Alamitos
April 12, 2001 Brea
April 17, 2001 Newport Beach
April 17, 2001 Cypress
April 25, 2001 Brea/Yorba Linda
May 1, 2001 Santa Ana
May 3, 2001 Costa Mesa
September 13, 2001 Laguna Beach

                

Legacy Radio Frequencies
The following table is the legacy radio channel plan used by Orange County Law Enforcement prior to switching to a trunked radio system. This radio channel plan is listed here for historical reference.Many of these frequencies have been retained by the County for other purposes such as communications at special events.
       
Channel Description Frequency Tone
Green 1 Tustin PD 460.3250 103.5
Green 1 Placentia PD 460.3250 127.3
Green 1 La Palma PD 460.3250 110.9
Green 1 Fountain Valley PD 460.3250 173.8
Green 2 Anaheim PD 460.0500 103.5
Green 3 Newport Beach PD 460.2750 173.8
Green 3 Garden Grove PD 460.2750 103.5
Green 4 Buena Park PD 460.2500 117.3
Green 4 Westminster PD 460.2500 103.5
Green 4 Orange PD 460.2500 103.5
Green 5 Santa Ana PD 460.4750 103.5
Green 5 La Habra PD 460.4750 127.3
Green 5 Cypress PD 460.4750 141.3
Green 5 Laguna Beach PD 460.4750 173.8
Green 6 Brea PD 460.1000 156.7
Green 6 Huntington Beach PD 460.1000 103.5
Green 6 Yorba Linda PD 460.1000 173.8
Green 7 Seal Beach PD 460.1750 127.3
Green 7 Fullerton PD 460.1750 173.8
Green 8 Costa Mesa PD 460.0750 173.8
Green 9 Irvine PD 460.6000 173.8
Air Support Air unit  45.3000 146.2
Yellow North Sheriff Dispatch 507.1125
Yellow South Sheriff Dispatch 460.4250
Orange North Tactical 460.4000 103.5
Orange South Tactical 460.2000 103.5
White Tactical 460.1500 103.5
Gray Tactical 460.5500 103.5
Red Emergency 460.0250 103.5
Purple Information/Records 460.3000 103.5
Blue Car to Car 460.5000 103.5
     
Special Enforcement
    457.5500
    457.6000
    457.5250
Tac 1   457.5750
Tac 2   464.5000
Tac 3   464.5500
Tac 4   467.7500
     
Jails
Channel 1 County Jail 154.9650
Channel 2 County Jail 155.7750
Channel 3 County Jail 154.8000
  Juvenile Hall 154.8000
  Joplin Boys Ranch 151.2350
  Los Pinos 151.2350

 

Code Alex
To establish a series of observation check points throughout Orange County, sealing arterial County exit routes and providing coverage on intra-County freeways and main highways to prevent evasion from law enforcement of wanted subjects. This plan states that activation of Code Alex must be made by a Watch Commander or higher-ranking officer.

 

Helicopter Call Signs
Call Sign Description
DUKE 1 Orange County Sheriff
DUKE 2 Orange County Sheriff
COPTER 41 Orange County Fire
COPTER 241 Orange County Fire
COPTER 341 Orange County Fire
26 ANGEL Anaheim
EAGLE 1 Costa Mesa/Newport Beach
HB 1 Huntington Beach
HB 2 Huntington Beach
HB 3 Huntington Beach

 

Orange County Trunked Radio System Talk Groups
Mode: NFM=Analog; P25=Digital (not encrypted)
DEC Display Description Mode
336 1A ANA A-TAC 1-A Anahiem A-Tac NFM
368 1B ANA B-TAC 1-B Anahiem B-Tac NFM
400 2F ANA TAC 2-F Anahiem Tac NFM
528 1A BRE A-TAC 1-A Brea A-Tac NFM
560 1B BRE B-TAC 1-B Brea B-Tac NFM
560 2A BRE DSP 2-A Brea Dispatch NFM
592 2B BRE TAC 2-B Brea Tac NFM
656 1A COS A-TAC 1-A Costa Mesa A-Tac NFM
688 1B COS B-TAC 1-B Costa Mesa B-Tac NFM
720 3A COS DSP 3-A Costa Mesa Dispatch NFM
752 3B COS TAC 3-B Costa Mesa Tac NFM
816 1A FVY A-TAC 1-A Fountain Valley A-Tac NFM
848 1B FVY B-TAC 1-B Fountain Valley B-Tac NFM
880 3G FVY TAC 3-G Fountain Valley Tac NFM
1040 2G FUL TAC 2-G Fullerton Tac NFM
1136 1A GGV A-TAC 1-A Garden Grove A-Tac NFM
1168 1B GGV B-TAC 1-B Garden Grove B-Tac NFM
1200 2H GGV TAC 2-H Garden Grove Tac NFM
1296 1A HTB A-TAC 1-A Huntington Beach A-Tac NFM
1328 1B HTB B-TAC 1-B Huntington Beach B-Tac NFM
1360 3H HTB TAC 3-H Huntington Beach Tac NFM
1456 1A LHB A-TAC 1-A La Habra A-Tac NFM
1488 1B LHB B-TAC 1-B La Habra B-Tac NFM
1520 2C LHB DSP 2-C La Habra Dispatch NFM
1552 2D LHB TAC 2-D La Habra Tac NFM
1680 5G LAB TAC 5-G Laguna Beach Tac NFM
1712 5H LAB DSP 5-H Laguna Beach Dispatch NFM
1776 1A NPB A-TAC 1-A Newport Beach A-Tac NFM
1808 1B NPB B-TAC 1-B Newport Beach B-Tac NFM
1840 3I NPB TAC 3-I Newport Beach Tac NFM
1936 1A ORG A-TAC 1-A Orange A-Tac NFM
2000 2I ORG TAC 2-I Orange Tac NFM
2096 1A STA A-TAC 1-A Santa Ana A-Tac NFM
2128 1B STA B-TAC 1-B Santa Ana B-Tac NFM
2160 1C STA C-TAC 1-C Santa Ana C-Tac NFM
2192 1D STA D-TAC 1-D Santa Ana D-Tac NFM
2224 3C STA DSP 3-C Santa Ana Dispatch NFM
2256 3D STA TAC 3-D Santa Ana Tac NFM
2288 3E STA TAC 3-E Santa Ana Tac NFM
2416 1A ECC 1-A OCFA Comm Center Access Channel NFM
2448 1B RAWS 1-B OCFA Automated Weather System NFM
2480 1C CREWS 1-C OCFA Fire Crews NFM
2512 1D INV 1-D OCFA Fire Investigators NFM
2544 1E PREV 1-E OCFA Fire Prevention NFM
2576 1F COMM 1-F OCFA Communications Service NFM
2608 1G EDU 1-G OCFA Education NFM
2640 4A JWA 4-A OCFA John Wayne Airport TAC NFM
2672 5B ORC DSP 5-B OCFA Dispatch NFM
2704 4C CMD 1-4 4-C OCFA Div 1 and 4 Command NFM
2736 4D DIV-1 4-D OCFA Div 1 Primary TAC NFM
2768 4E DIV-4 4-E OCFA Div 4 Primary TAC NFM
2800 4F SEA 1-4 4-F Seasonal TAC Div 1-4 NFM
2832 5A AIR SUPPORT 5-A OCFA Aircraft Support NFM
2896 5C CMD 2-3 5-C OCFA Div 2 and 3 Command NFM
2928 5D DIV-2 5-D OCFA Div 2 Primary Tac NFM
2960 5E DIV-3 5-E OCFA Div 3 Primary Tac NFM
2992 5F SEA 2-3 5-F OCFA Div 2 and 3 Seasonal Tac NFM
3056 2E NOR DSP 2-E Metro Net North Dipatch NFM
3088 3F CEN TAC 3-F Metro Net Central Dispatch NFM
3536 2J J-TAC 2-J J-Tac Brea Secondary NFM
3568 2K K-TAC 2-K K-Tac La Habra Secondary NFM
3600 2L L-TAC 2-L L-Tac Metro Net North Secondary NFM
3632 2M M-TAC 2-M M-Tac Metro Net North NFM
3664 2N N-TAC 2-N N-Tac Metro Net North NFM
3696 2O O-TAC 2-O O-Tac Metro Net North NFM
3728 3J J-TAC 3-J J-Tac Costa Mesa Secondary NFM
3760 3K K-TAC 3-K K-Tac Santa Ana Secondary NFM
3792 3L L-TAC 3-L L-Tac Metro Net Central Secondary NFM
3824 3M M-TAC 3-M M-Tac Metro Net Central NFM
3856 3N N-TAC 3-N N-Tac Metro Net Central NFM
3888 3O O-TAC 3-O O-Tac Metro Net Central NFM
3920 4G MIL-PVT 4-G Military/Private Industry NFM
3952 4H H-TAC 4-H OCFA H-TAC NFM
3984 4I I-TAC 4-I OCFA I-TAC NFM
4048 4K K-TAC 4-K OCFA K-TAC NFM
4080 4L L-TAC 4-L OCFA L-TAC NFM
4112 4M M-TAC 4-M OCFA M-TAC NFM
4144 4N N-TAC 4-N OCFA N-TAC NFM
4176 4O O-TAC 4-O OCFA O-TAC NFM
4208 5I I-TAC 5-I OCFA I-TAC NFM
4240 5J J-TAC 5-J OCFA J-TAC NFM
4272 5K K-TAC 5-K OCFA K-TAC NFM
4304 5L L-TAC 5-L OCFA L-TAC NFM
4336 5M M-TAC 5-M OCFA M-TAC NFM
4368 5N N-TAC 5-N OCFA N-TAC NFM
4400 5O O-TAC 5-O OCFA O-TAC NFM
4432 7D SIL TAC 7-D Silver Canyon Tactical NFM
4464 7E CRB TAC 7-E Carbon Canyon Tactical NFM
4496 7A TRAVEL NET 7-A Fire Travelnet NFM
4528 7F EBY TAC 7-F Emerald Bay Tactical NFM
5136 1C PINKANA 1-C Anahiem Pink NFM
5168 1C PINKBRE 1-C Brea Pink NFM
5232 1C PINKCOS 1-C Costa Mesa Pink NFM
5328 1C PINKFVY 1-C Fountain Valley Pink NFM
5360 1C PINK FUL 1-C Fullerton Pink NFM
5392 1C PINKGGV 1-C Garden Grove Pink NFM
5424 1C PINKHTB 1-C Huntington Beach Pink NFM
5488 1C PINKLHB 1-C La Habra Pink NFM
5552 1C PINK LGB 1-C Laguna Beach Pink NFM
5648 1C PINKNPB 1-C Newport Beach Pink NFM
5680 1C PINKORG 1-C Orange Pink NFM
5776 1E PINKSTA 1-E Santa Ana Pink NFM
6256 TAN-CALL TAN-CALL NFM
6288 TAN-N TAN-North NFM
6320 TAN-S TAN-South NFM
6352 TAN-1 TAN-1 NFM
6384 TAN-2 TAN-2 NFM
6416 TAN-3 TAN-3 NFM
6448 TAN-4 TAN-4 NFM
6480 TAN-5 TAN-5 NFM
6512 TAN-6 TAN-6 NFM
6736 AIRCALL Aircraft Dispatching and Hailing NFM
6800 7B EOC 2 EOC 7-B EOC Operations NFM
6896 6A MED-CALL 6-A Medical Assignment OCC NFM
6928 6B MED-N1 6-B Medical North-1 NFM
6960 6C MED-N2 6-C Medical North-2 NFM
6992 6D MED-NW 6-D Medical Northwest NFM
7024 6E MED-S1 6-E Medical South-1 NFM
7056 6F MED-S2 6-F Medical South-2 NFM
7088 6G MED-SW 6-G Medical Southwest NFM
7120 6H MED-CO1 6-H Medical Countywide-1 NFM
7152 6I MED-CO2 6-I Medical Countywide-2 NFM
7184 6J MED-CO3 6-J Medical Countywide-3 NFM
7216 6K MED-LAB 6-K Medical Laguna Beach Area NFM
7696 RED Red Channel (Countywide) NFM
27520 HOC-HOC (HG) Hoag Hospital P25
27680 HOC-HOC (HB) Huntington Beach Medical Center P25
27840 HOC-HOC (MIS) Mission Hospital P25
28000 HOC-HOC (STJ) St Jude Fullerton P25
28160 HOC-HOC (UCI) UC Irvine Medical Center P25
28320 HOC-HOC (WMC) Western Medical Center Santa Ana P25
32864 PINK BPK PINK Buena Park P25
32928 PINK CYP PINK Cypress P25
32960 PINK DPT PINK Dana Point P25
33120 PINK IRV PINK Irvine P25
33184 PINK LPA PINK La Palma P25
33248 PINK LHL PINK Laguna Hills P25
33280 PINK LNI PINK Laguna Niguel P25
33312 PINK LAL PINK Los Alamitos P25
33344 PINK MIS PINK Mission Viejo P25
33440 PINK PLA PINK Placentia P25
33472 PINK SCL PINK San Clemente P25
33504 PINK SJC PINK San Juan Capistrano P25
33568 PINK SBH PINK Seal Beach P25
33600 PINK STN PINK Stanton P25
33632 PINK TUS PINK Tustin P25
33664 PINK WES PINK Westminster P25
33696 PINK YLD PINK Yorba Linda P25
36128 HOC-HOC (MIS) Mission Hospital P25
38400 SILVER-1 Anaheim Public Works 1 P25
38432 SILVER-2 Anaheim Public Works 2 P25
38464 SILVER-3 Anaheim Public Works 3 P25
38496 SILVER-4 Anaheim Public Works 4 P25
38528 SILVER-5 Anaheim Public Works 5 P25
38560 SILVER-6 Anaheim Public Works 6 P25
38592 SILVER-7 Anaheim Public Works 7 P25
38624 SILVER-8 Anaheim Public Works 8 P25
38656 SILVER-9 Anaheim Public Works 9 P25
38688 SILVER-10 Anaheim Public Works 10 P25
38720 SILVER-11 Anaheim Public Works 11 P25
38752 SILVER-12 Anaheim Public Works 12 P25
38784 SILVER-1 Brea Public Works P25
38816 SILVER-1 Buena Park Public Works P25
38848 SILVER-1 Costa Mesa Public Works P25
38880 SILVER-1 Cypress Public Works P25
38912 SILVER-1 Dana Point Public Works P25
38944 SILVER-1 Fountain Valley Public Works P25
38976 SILVER-1 Fullerton Public Works P25
39008 SILVER-1 Garden Grove Public Works P25
39040 SILVER-1 Huntington Beach Public Works 1 P25
39072 SILVER-2 Huntington Beach Public Works 2 P25
39104 SILVER-3 Huntington Beach Public Works 3 P25
39136 SILVER-1 Irvine Public Works P25
39168 SILVER-1 Laguna Beach Public Works P25
39264 SILVER-1 La Habra Public Works P25
39296 SILVER-1 La Palma Public Works P25
39328 SILVER-1 Los Alamitos Public Works P25
39360 SILVER-1 Mission Viejo Public Works P25
39392 SILVER-1 Newport Beach Public Works P25
39424 SILVER-1 Orange Public Works P25
39456 SILVER-1 Placentia Public Works P25
39488 SILVER-1 San Clemente Public Works P25
39552 SILVER-1 Santa Ana Public Works 1 P25
39584 SILVER-2 Santa Ana Public Works 2 P25
39616 SILVER-3 Santa Ana Public Works 3 P25
39680 SILVER-1 Stanton Public Works P25
39712 SILVER-1 Tustin Public Works P25
39744 SILVER-1 Westminster Public Works P25
39776 SILVER-1 Yorba Linda Public Works P25
40000 SILVER-1 County Animal Control Dispatch P25
40032 SILVER-N County Animal Control North Tac P25
40064 SILVER-S County Animal Control South Tac P25
40160 SILVER-1 County Environmental Health P25
40320 SILVER-1 County PF&RD 1 P25
40352 SILVER-2 County PF&RD 2 P25
40384 SILVER-3 County PF&RD 3 P25
40416 SILVER-4 County PF&RD 4 P25
40448 SILVER-5 County PF&RD - Facility Operations P25
40480 SILVER-6 County PF&RD - Transportation P25
40512 SILVER-7 County PF&RD - Planning & Development P25
40640 SILVER-1 County Communications - Countywide Cell P25
40672 SILVER-2 County Communications - North Cell P25
40704 SILVER-3 County Communications - Northwest Cell P25
40736 SILVER-4 County Communciations - South Cell P25
40768 SILVER-5 County Communciations - Southwest Cell P25
40800 SILVER-6 County Communications - Laguna Cell P25
40960 SILVER-1 County Integrated Waste Management P25
41120 SILVER-1 John Wayne Airport - Admin & Ops P25
41152 SILVER-2 John Wayne Airport - Maintenance P25
41184 SILVER-3 John Wayne Airport - Tactical P25
44800 AQUA-2 Lifeguard Common P25
44832 AQUA-3 Lifeguard Common P25
47200 AQUA-1 Huntington Beach Lifeguard P25
47232 AQUA-1 Laguna Beach Lifeguard P25
47264 AQUA-1 Newport Beach Lifeguard P25
47296 AQUA-1 San Clemente Lifeguard P25
47328 AQUA-1 Seal Beach Lifeguard P25
47360 AQUA-1 County Lifeguard Contractor P25
50720 RED-1 RED-1 P25

 

Special thanks to the SoCalScan Yahoo Group and those who wish to remain anonymous for contributing information.