Secret Service VHF radios are set up as follows:
Channel Designation
1 BAKER
2 CHARLIE
3 MIKE
4 TANGO
5 OSCAR
6 PAPA
7 BAKER REPEATER (165.7875/164.4000)
8 CHARLIE REPEATER (165.3750/166.4000)
Frequencies A through Z
Alpha 32.2300 WHCA-Transportation (vans) (possible DC base)
Baker 165.7875 USSS-Field Offices, President/VP/VIP security
Charlie 165.3750 USSS-Field Offices/Protection, command post coordination (Nationwide Primary)
Delta 169.9250 WHCA-Marine Security Detachment, vans
Echo 407.8500 WHCA-SAM Uplink (Air Force 1 phone patch ground uplink)
Foxtrot 415.7000 WHCA-SAM Downlink (Air Force 1 phone patch aircraft downlink)
Golf 166.4000 USSS-Field Offices
165.7625 Input to 165.3750 repeaters
Hotel 167.9000 WHCA-V.P. Staff/White House Garage
165.6875
166.2125 President/VP Security
India 407.9250 USSS-Headquarters (Treasury Security Force)
166.2000
Juliet 170.0000 USSS-Paging/Camp David
Kilo 167.8250 Duplex Phone-Pres Res/LBJ, WHCA
Lima 168.7875 Duplex Phone-Pres Res/LBJ, WHCA (voice scramblers)
Lavender 418.1250 WHCA-Transportation
Mike 165.2125 USSS-Dignitary/Former Pres Protection, Counterfeit Division
November 166.7000 WHCA-White House Staff
Oscar 164.8875 USSS-Presidential Protection Division (PPD), WHCA
Papa 164.4000 USSS-Field Offices/Protection, input to 165.2125 repeaters
Quebec ---
Romeo 166.4000 Input to 165.7875 repeaters
164.4000 USSS-Repeater Outputs
Sierra 166.5125 WHCA-White House Staff
Tango 164.6500 USSS-Field Offices/Protection, Presidential/VP Security
Uniform 361.6000 AF-1 Communications
165.0875
Victor 164.1000 WHCA, Presidential/VP Protection
Whiskey 167.0250 WHCA-Paging
X-ray ******** SEE BELOW
Yankee 162.6875 WHCA-Presidential phone uplink or downlink
Zulu 171.2875 WHCA-Presidential phone downlink or uplink
The Treasury Common frequency is 166.4625.
X-ray is the reserve frequency pool and is not Treasury Common. Frequencies here are used whenever a new frequency is needed.
X-ray frequencies
164.7500
164.8000
165.2625
165.3375
165.4125
165.5125
165.6500
165.6875
165.8500
165.9000
166.0500
166.2000
166.5625
166.5875
166.6375
166.8000
167.9000
The most active frequencies used before and during a presidential or vice presidential visit are Baker, Charlie, Mike, and Tango, as well as any channel designated for use by the WHCA. The frequency used most as a nationwide primary repeater channel is Charlie, followed by Baker. Former presidents' security use Mike. Oscar is used for presidential protection nationwide and Papa is used for White House perimeter patrols.
Pres Nighthawk Aircraft Fleet (HMX)
Transport 46.7500
Transport 375.0000
VIP Transport Net 34.3500
Command Post 142.7500
Squadron Common 265.8000
USMC helicopters 46.7000, 46.7500, 46.8000, 122.8500, 375.0000
Other Phone Patches
Nationwide-2 407.4750 uplink
Nationwide-2 415.8000 downlink
Limousines (Local/DC) 407.4500 duplex
Limousines (Local/DC) 408.2000 duplex
USSS Uniform Division (All repeaters use PL 103.5 Hz)
Gray 418.3500/407.7500 White House
Orange 418.7750/414.9500 White House
Brown 414.8500/418.8000 Foreign Missions
Red 415.9750/419.7250 Foreign Missions
Silver 415.6500/419.1000 Foreign Missions
Yellow 414.6750/418.1500, 415.9500 WHCA ("Boardwalk") Foreign Missions Patrol Primary
Training Division: Beltsville, MD
Green 415.7500/407.8750
Black 415.1000/418.3250
Blue 414.8000
Violet 415.8000
Communications Division:
Gold 415.6750/419.0750
Other:
Lavender 418.1250 WHCA Transportation
White 407.6750
Technical Security Division (Special Use)
F-1 408.0000
F-2 411.0000
F-3 408.5000
F-4 408.9750
NOTES: Frequencies in 407 Mhz band are used for agents' body radios with "wristwatch" microphones.
WHCA stands for White House Communications Agency.
The PL used by the Secret Service is 103.5 Hz.
The above info was gathered from several sources. Not all sources agreed on the same frequencies.
A NUMERICAL LISTING OF EVERY KNOWN SECRET SERVICE FREQUENCY
Frequency Description
32.2300 (ABLE)
32.2300 (ALPHA) WHCA - TRANSPORTATION (VANS) (POSSIBLE DC BASE)
32.3200 (ABLE)
34.0700
34.3500 VIP TRANSPORT NET
46.7000 USMC HELICOPTERS
46.7500 TRANSPORT, USMC HELICOPTERS
46.8000 USMC HELICOPTERS
122.8500 USMC HELICOPTERS
142.7500 COMMAND POST
162.3750
162.6875 (YANKEE) WHCA - PRESIDENTIAL PHONE UPLINK OR DOWNLINK
163.0000
163.3625
163.4000
163.7375
163.7750
163.8125
163.9125
164.1000 (VICTOR) WHCA, PRESIDENTIAL/VP PROTECTION
164.4000 (PAPA) USSS - FIELD OFFICES/PROTECTION, INPUT TO 165.2125 REPEATERS
164.4000 (ROMEO) USSS - REPEATER OUTPUTS
164.6500 (TANGO) USSS - FIELD OFFICES/PROTECTION, PRESIDENTIAL/VP SECURITY
164.7500 (X-RAY)
164.8000 (PAIRED WITH 165.8500)
164.8000 (X-RAY)
164.8875 (OSCAR) USSS - PRESIDENTIAL PROTECTION DIVISION (PPD), WHCA
165.0875 (PAIRED WITH 166.2000)
165.0875 (PAIRED WITH 166.2125)
165.0875 (UNIFORM)
165.2125 (MIKE) USSS - DIGNITARY/FORMER PRES PROTECTION, COUNTERFEIT DIVISION
165.2250
165.2625 (X-RAY)
165.2875
165.3375 (X-RAY)
165.3750 (CHARLIE) USSS - FIELD OFFICES/PROTECTION, COMMAND POST COORDINATION (NATIONWIDE PRIMARY)
165.4125 (X-RAY)
165.5125 (PAIRED WITH 166.4875)
165.5125 (X-RAY)
165.6500 (PAIRED WITH 166.6375)
165.6500 (X-RAY)
165.6750
165.6875 (HOTEL)
165.6875 (X-RAY)
165.6875 WASHINGTON FIELD OFFICE (PAIRED WITH 166.2125)
165.7625 (GOLF) INPUT TO 165.3750 REPEATERS
165.7875 (BAKER) USSS - FIELD OFFICES, PRESIDENT/VP/VIP SECURITY
165.8500 (PAIRED WITH 164.8000)
165.8500 (X-RAY)
165.8625
165.9000 (X-RAY)
165.9125
166.0500 (X-RAY)
166.2000 (INDIA)
166.2000 (PAIRED WITH 165.0875)
166.2000 (X-RAY)
166.2000 WASHINGTON FIELD OFFICE
166.2125 (HOTEL) PRESIDENT/VP SECURITY
166.2125 (PAIRED WITH 165.0875)
166.2125 WASHINGTON FIELD OFFICE (PAIRED WITH 165.6875)
166.3750
166.4000 (GOLF) USSS - FIELD OFFICES
166.4000 (ROMEO) INPUT TO 165.7875 REPEATERS
166.4625 TREASURY COMMON
166.4875 (PAIRED WITH 165.5125)
166.5125 (ALPHA)
166.5125 (SIERRA) WHCA - WHITE HOUSE STAFF
166.5625 (X-RAY)
166.5875 (X-RAY)
166.6375 (PAIRED WITH 165.6500)
166.6375 (X-RAY)
166.7000 (NOVEMBER) WHCA - WHITE HOUSE STAFF
166.8000 (X-RAY)
167.0250 (WHISKEY) WHCA - PAGING
167.3125
167.4500
167.6125
167.8250 (KILO) DUPLEX PHONE-PRES RES/LBJ, WHCA
167.9000 (HOTEL) WHCA - V.P. STAFF/WHITE HOUSE GARAGE
167.9000 (X-RAY)
168.2250
168.4000
168.4500
168.5750
168.7875 (LIMA) DUPLEX PHONE-PRES RES/LBJ, WHCA (VOICE SCRAMBLERS)
169.9250 (DELTA) WHCA - MARINE SECURITY DETACHMENT, VANS
170.0000 (JULIET) USSS PAGING/CAMP DAVID
171.2875 (ZULU) WHCA - PRESIDENTIAL PHONE DOWNLINK OR UPLINK
265.8000 SQUADRON COMMON
361.6000 (UNIFORM) AF-1 COMMUNICATIONS
375.0000 TRANSPORT, USMC HELICOPTERS
406.2625
406.4250
407.4500 WASHINGTON DC LIMOUSINES
407.4750 NATIONWIDE-2 UPLINK
407.6750 (WHITE)
407.7500 (GRAY) WHITE HOUSE (PAIRED WITH 418.3500)
407.8000
407.8250 SUIT RADIOS
407.8500 (ECHO) WHCA - SAM UPLINK (AIR FORCE 1 PHONE PATCH GROUND UPLINK)
407.8750 (GREEN) TRAINING DIVISION (PAIRED WITH 415.7500)
407.8750 SUIT RADIOS
407.9250 (INDIA) USSS HEADQUARTERS (TREASURY SECURITY FORCE)
407.9500
407.9750
408.0000 TECHNICAL SECURITY DIVISION (F-1)
408.2000 WASHINGTON DC LIMOUSINES
408.5000 TECHNICAL SECURITY DIVISION (F-3)
408.6250 WHCA
408.6500 WHCA
408.6750 WHCA
408.7000 WHCA
408.7250 WHCA
408.7500 WHCA
408.7750 WHCA
408.8000 WHCA
408.8250 WHCA
408.8500 WHCA
408.8750 WHCA
408.9000 WHCA
408.9250 WHCA
408.9500 WHCA
408.9750 TECHNICAL SECURITY DIVISION (F-4)
408.9750 WHCA
409.9000 WHCA
411.0000 TECHNICAL SECURITY DIVISION (F-2)
414.6750 (YELLOW) WHCA, FOREIGN MISSIONS (PAIRED WITH 418.1500)
414.8000 (BLUE) TRAINING DIVISION
414.8500 (BROWN) FOREIGN MISSIONS (PAIRED WITH 418.8000)
414.9500 (ORANGE) WHITE HOUSE (PAIRED WITH 418.7750)
415.1000 (BLACK) TRAINING DIVISION (PAIRED WITH 418.3250)
415.6500 (SILVER) FOREIGN MISSIONS (PAIRED WITH 419.1000)
415.6750 (GOLD) COMMUNICATIONS DIVISION (PAIRED WITH 419.0750)
415.7000 (FOXTROT) WHCA - SAM DOWNLINK (AIR FORCE 1 PHONE PATCH AIRCRAFT DOWNLINK)
415.7250
415.7500 (GREEN) TRAINING DIVISION (PAIRED WITH 407.8750)
415.8000 (VIOLET) TRAINING DIVISION
415.8000 NATIONWIDE-2 DOWNLINK
415.9500 WHCA FOREIGN MISSIONS PATROL PRIMARY
415.9750 (RED) FOREIGN MISSIONS (PAIRED WITH 419.7250)
417.7500
418.1250 (LAVENDER) WHCA TRANSPORTATION
418.1500 (YELLOW) WHCA, FOREIGN MISSIONS (PAIRED WITH 414.6750)
418.1750 WHCA
418.3250 (BLACK) TRAINING DIVISION (PAIRED WITH 415.1000)
418.3500 (GRAY) WHITE HOUSE (PAIRED WITH 407.7500)
418.6500 WHCA
418.7750 (ORANGE) WHITE HOUSE (PAIRED WITH 414.9500)
418.8000 (BROWN) FOREIGN MISSIONS (PAIRED WITH 414.8500)
419.0750 (GOLD) COMMUNICATIONS DIVISION (PAIRED WITH 415.6750)
419.1000 (SILVER) FOREIGN MISSIONS (PAIRED WITH 415.6500)
419.7250 (RED) FOREIGN MISSIONS (PAIRED WITH 415.9750)
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