Monitoring NASA Communications
Monitoring NASA Communications
Antigua
5060 5436 6810 6919 7313 7332 7605 7765 7860 7919 9115 9138 9170 10310
10327 10475 10949 11407 11414 12160 13495 13943.5 14497 14585 14819 14891
14914 15528 15575 16216 17554 18237 18700 19143 19961 20272 22990 23413
23603 23940 24530 24760 26515 (All kHz, various modes are used)
Contingency search and rescue: 11440 kHz (USB)
Fire/security police: 163.4875
Space shuttle range support: 264.8/284.1 (AM)
Ascension Island
2622 4500 4992 5775 5822 7313 7354 7605 7765 7804 7910 9043 10230 10780
10850 10880 10949 11407 11634 12107 13468 13878 14432 14497 14585 14615
14896 14914 14921.4 14967 16246 17554 18331 18434 18700 19126 19198 19371
20195 20390 20475 23035 23485 23603 23661 23840 24240 25245 25299 26356
23389 26684.5 27720 27870 27925 (All kHz, various modes are used)
Fire: 173.575
Space shuttle range support: 264.8/284.1/291.8 (AM)
Cape Canaveral Air Force Station, Florida
Air/ground control: *284.0
Air rescue: 138.450 (AM)
Base commanders net: 149.535/148.065 170.575
Cape communications: *165.1125
Cape tower:*118.625/393.0 *118.625 *120.950 125.900 *126.650 128.150 *133.800
134.275 135.375 135.825 (AM)
Data links: *403.000 (Pulsed tones) *1030 (Pulse every 14 sec.) *1680 (Pulse every 4, 10
sec.) *1749.5 *1750.5 *1757.2 *1758.2 *1820 (Pulse every 1-4 sec.)
Disaster operations (weather alerts, etc): *163.5125 (ETR Net B)
Disaster preparedness net: *148.650 (Data bursts)
Department of Energy explosive ordinance disposal operations: 409.475/412.700
Eastern Test Range command destruct: 406.5 *416.5 (Voice) 421.0 425.0 428.0 (Data)
Eastern Test Range FTS command alert: *168.000 (tones)
Eastern Test Range instrumentation net: *148.485
Eastern Test Range launch operations support: *163.4375 165.0625 407.450
Eastern Test Range paging channel: *165.0125 (ETR Net S)
Eastern Test Range test range safety: 46.65 141.300 *142.125
Eastern Test Range test range support: 229.0 253.6 270.0 (AM)
FCA net: *163.5875
Federal Highway Administration construction net: *169.550
Fire: *163.5625 (ETR Net F)
Flight support: 138.150 139.050 139.250 140.400 141.300 149.250 (All AM)
Helicopter control: 284.000 (AM)
Maintenance: 149.500 *150.150 (ETR Net N) 165.0625
Operations: 413.200/407.250
Operations security: 419.650
Ordnance Control/Missile loading net: 419.150
Public service agencies mutual aid channels: 154.160 (Fire NASA Net 316) 155.370 (Police
NASA Net 303)
Radiation monitoring: *164.500 (ETR Net Y)
Search and Rescue: 282.8 (AM)
Security: *163.000 (ETR Net Z) *163.4625 (ETR Net D) *164.200 (channel 2) *165.0875
(Repeater DVP/clear voice) *170.125 *171.975
Seek Skyhook (Aerostat uplink): 440.0 445.0
Solid rocket booster recovery beacons: 240.0 242.0 (Data)
Space shuttle range support: 264.8 291.8 *294.6 341.6 349.6 *350.6 (AM)
Special projects: 413.450
Support services: *165.0375
Titan III operations: *148.515 *149.150
Transportation/Admin: *407.225 413.075
TV audio: *1799.75 (Computer lesson; spurious emission from another service?)
TV operations net for Eastern Test Range launches: *148.035
U.S. Air Force miscellaneous frequencies: 74.75
U.S. Air Force Office of Special Investigation (OSI): *138.075/139.675 138.175 141.525
U.S. Army explosive ordinance disposal (EOD): 49.70 49.80 148.700/143.025
U.S. Army research and development support: 36.70 40.90
U.S. Coast Guard maritime frequencies: *156.600 *156.800 157.050 157.075 *157.100
157.175
U.S. Navy Aegis project support: 30.29
U.S. Navy FACSFAC Jacksonville warning area coordination net: *267.5 *284.5 *349.9
369.9 385.1 (AM)
Utilities: *150.195 (ETR Net C) *150.250 (ETR Net E)
Unknown use: *400.050
Weather Balloons (Rawinsonde): *403.0 (Data; pulse tones)
Edwards AFB, California
Air crew alert: 413.450
Air rescue: 138.450 (AM)
Air traffic control: 136.175 136.425 (AM)
Approach/departure control: 126.1/290.3 133.15/269.2 124.550 132.750/272.0
133.650/348.7 134.050 (AM)
Automatic Terminal Information Service: 116.4/269.9 (AM)
Civil engineers maintenance: 149.275
Command post (call sign-Conform): 304.0 311.0 (AM)
Control tower: 120.7/236.6/318.1 (AM)
Corps of Engineers: 163.4125 163.4375
Emergency 911 radios: 170.350
Explosive ordinance disposal: 148.200
Fire net: 173.4375
Fire/Crash net: 173.4125 173.5875
Flight support: 149.175 149.250 149.300 234.8 237.0 256.15 267.8 268.1 275.2 276.6
283.725 288.7 292.3 298.3 300.675 301.7 327.65 347.1 354.4 361.4 381.175 (AM)
Flight test A/G: 123.125 123.150 123.175 123.200 123.225 123.250 123.275 123.325
123.350 123.375 (also shuttle training aircraft) 123.400 123.425 123.450 123.475
123.525 123.550 123.575 136.225 (AM)
Flight test HF comm support: 5736.5 kHz
Ground control: 121.8/390.1 (AM)
Guards net: 171.150/166.225
Local control: 257.0 (AM)
Maintenance: 141.725/139.825 148.075 148.100 163.4625 163.5375 284.1 (AM)
Medical net: 173.4875
NASA air-to-ground: 371.1 382.6 395.1 (AM)
NASA facility support: 409.350/415.925
NASA flight test: 135.825 237.0 347.1 373.15 (AM)
NASA management: 409.900/417.250 412.050/417.450
NASA mission audio: 169.400
NASA paging net: 416.350/410.300
NASA shuttle training aircraft-operations control: 134.250 (AM)
NASA traffic control: 413.525
Paging: 413.500
Pilot to dispatch (PTD): 372.2 (AM)
Range communications: 170.400/171.000
Security: 148.225 149.9225/148.675 148.875
Shuttle support: 162.6125 164.100 165.6125 168.000 169.075 171.2625 173.6875/169.600
SRB operations: 407.225
Supply: 163.5875
Test range control: 3376 4455 4732 6750 6770 7330 8993 13204 18005 (All kHz and
USB) 229.175 260.7 262.5 264.6 266.3 267.9 275.9 276.65 279.9 280.1 286.25 286.4
286.8 287.2 287.425 291.8 294.6 303.325 308.7 311.2 314.4 314.6 315.9 319.6
322.7 325.9 349.3 349.6 351.4 358.4 359.2 378.1 379.7 382.6 383.0 384.8 385.9
389.025 389.1 (All AM) 417.750/412.875
Trunking network: 406.350/415.950 406.750/416.150 407.150/416.750 407.950/416.950
409.350/417.550
U.S. Air Force Military Affiliate Radio System (MARS): 143.775/142.275
U.S. Air Force Office of Special Investigations: 138.075 138.175 141.525
U.S. Army: 229.6 367.3 367.6 (AM)
Johnson Space Center-Houston, Texas
Bridge crane operations-building 48: 429.6725
Civil Defense (emergencies/disasters only): 155.265
Construction/maintenance-building 49 (Alpha Net, repeater input 164.700): 170.350
Engineering/maintenance net-building 1 (repeater input 168.000): 169.000
JSC Security Net: 164.200
Medical net-building 45 (repeater input 168.450): 170.375
Mutaul aid (emergencies/disasters only): 154.280
NASA administrative net: 164.9875
NASA aircraft operations (Ellington AFB): 123.125 (AM), 170.750 (FM)
NASA air to ground: 235.400 (AM)
NASA JSC paging: 409.025
NASA UHF medical network (repeater input 407.175): 409.175
NASA transportation net-building 320 (repeater input 172.300): 173.8125
NASA TV audio (shuttle mission audio): 171.150
Paint Net-Building 49: 173.6625
Procedures Net: 173.6875
Public Affairs Net-Building 45 (repeater input 171.000): 170.100
Texas Intercity (emergencies/disasters only): 155.370
NASA also shares a 10 channel trunking network with other government agencies
in the Houston area. The trunking system consists of the following frequency pairs:
(first frequency repeater output/second frequency repeater input)
406.350/415.150 407.150/415.950 407.950/416.750 408.550/416.550
408.750/417.550 408.950/417.750 409.150/417.150 409.550/418.350
409.750/418.550 409.950/417.950
Kennedy Space Center, Florida
Administration (loan pool): *173.5375 (NASA Net 111)
Base communications net: *170.150 (NASA Net 107) *173.6375
Camera control: 407.575 412,850 *932.00625 941.00625
Civil Air Patrol: *148.150 (Repeater output and simplex)
Cape Canaveral National Seashore: *164.625 *163.150 (Department of the Interior)
Civil Defense: 158.940 (Transmit) 155.715 (Receive) (NASA Net 208)
Civil engineers/maintenance net: *171.000 (NASA Net 101)
Crane operations: *407.100 *409.525 409.775
Crane telecommand: 408.49375 408.96875
Crawler transport moves: *916.0 (Pulses every 3, 3, 8 sec.) 929.0 *932.0 (Pulse every 3.8
sec.) 939.0 *1030 (Pulse every 14 sec.) *1104 (Pulse every 14 sec.)
Data link: *409.925
Department of Energy communications: 167.850 *168.450 (Tone)
Fire/rescue: *173.5625 (NASA Net 116/channel 1) *173.7875 (NASA Net 216-tactical
channel 2)
Ground Control: 121.750 (AM)
Flight Service Station: *123.600 (AM)
General maintenance net: *171.150 (NASA Net 201)
Industrial Area Cranes: 412.825 (UHF-1) 412.950 (UHF-2) 413.025 (UHF-3) 413.150
(UHF-4) *413.250 (UHF-5) 413.375 (UHF-6) 413.525 (UHF-7) 413.550 (UHF-8)
Launch support operations: *162.6125 (NASA Net 104)
Launch complex 39 convoy command: 407.325 (UHF-1)
Launch complex 39 VAB crane operations.: *407.475 (UHF-2) 408.175 (UHF-4) 409.050
(UHF-6)
Launch complex 39 convoy purge: 408.150 (UHF-3)
Launch complex 39 operations pool: 408.800 (UHF-5) 409.125 (UHF-7)
Launch complex 39 convoy cooling: 409.175 (UHF-8)
Local Control: 126.650 (AM)
Marine operations: 162.0125 (NASA Net 306)
Measurements/safety: *165.1875 (NASA Net 102)
Medical net: *173.4375 (NASA Net 117) also UHF MED 1-10 channel pairs
(463.000/468.000-463.975/468.975)
MSBLS/telemetry: *165.6125 (NASA Net 202)
Orbiter operations: *165.4125 (NASA Net 110)
Paging (voice): *170.350 (NASA Net 308) *171.000
Public Affairs/Hurricane operations: *163.5375 (NASA Net 108)
Public Affairs TV coordination: *171.2625 (NASA Net 408)
Railroad operations: *170.175 (NASA Net 206) *413.125 413.325
Safety: *173.4625 (NASA Net 205) *173.6625 (NASA Net 105)
Security: *173.175 (NASA Net 203/Tactical 2) *173.6875 (NASA Net 103) 173.8625
Shuttle landing facility: 121.5 (Emergency-civilian) 243.0 (Emergency-military) 121.750
(Ground operations) 126.3 (Air to ground control) 259.7 (Orbiter to ground) 296.8 (Orbiter
to ground) 284.0 (Air to ground control) *128.550/284.0 (AM)
Shuttle TV coordination net: *171.2625 (NASA Net 408)
Supply (digital paging): *150.325 (Repeater output/173.4875 repeater input) *170.400
(NASA Net 106)
TACAN: 1104.0 1146.0
Telemetry: *409.925 *410.8625 *413.050 *1250.0 (erratic pulses) *1441.5 (Pulses every
14 sec.) *1780.0 (Erratic pulses)
Traveler Information Sservice (TIS): 1320 kHz (AM)
Transportation: 162.0125 (NASA Net 306)
U.S. Customs Service: *165.2375 *166.4375 166.4875
Utilities: *171.000 (NASA Net 101)
VAB to crawler transport duplex channels: 407.600 408.025 412.975 413.825
VAB crane operation: 410.1375 *410.8625 (Data)
Weather telemetry: *409.925 *413.050
Wind telemetry: 418.075
Wireless mikes: 169.505 170.245 171.045 171.905
Malabar, Florida
FAA net: 172.850 (repeater output/169.250 repeater input) 166.175 172.175
Harbor common: 2716 kHz (USB)
Range clearance function: 2638 kHz (USB)
Space shuttle support: 5187 kHz (USB)
Solid rocket boosters recovery vessels: 2356 2622 2639 (Intership ops) 2716 2764 2800
2820 2837 3187 3365 5810 (All kHz) (plus various VHF marine channels)
Test range communications to Ascension/Antigua: 6937 7833 9043 9132 10310 11104
11407 11414 11548 11622 13878.0 13986.1 14559.5 14896 14937 15610 17490
17668 18196 18237 18355 18769 19304 20189 20195 23413 23581 24240 24760
27720 27870 (All kHz)
U.S. Air Force Eastern Test Range control: 2622 5810 7765 10780 11615.5 13878 20195
20390 (All kHz)
U.S. Air Force emergency hurricane net: 3365 4900 5350 7412 10305 (All kHz)
U.S. Navy to Atlantic aircraft: 3120 4828 5718 6693 6708 6723 9006 11205 11252
13227 13237 15021 15051 15057 15067 18009 (All kHz and USB)
U.S. Navy to Atlantic ships: 2357.5 2764 2800 3187 4521 4766 4856.5 5180 5190
5246 6897 7461 7676 (All kHz and USB)
U.S. Navy Atlantic ships/aircraft: 2836.5 kHz (USB)
U.S. Navy surface radar: *1250 MHz
Melbourne, Florida (Miscellaneous)
Data: *908.000 (Pulse every 1, 3, 5 sec.)
FAA: *269.300 *348.700 *379.250 *998.000 (Pulse every 14 sec.)
FAA DME: 998.0
FBI: *167.7875 (Repeater output)
National Weather Service broadcasts: 162.550
U.S. Air Force: *141.850 (Unmodulated carrier)
Merritt Island, Florida
Solid rocket booster maintenance net: 407.225
Patrick AFB, Florida
Administrative (U.S. Navy): 138.375
Air defense: 148.125 (AM)
Air Force Reserve training: 138.275 138.475 (AM)
Air National Guard administration: 408.000 408.050
Air National Guard maintenance: 141.625
Approach control: 121.050 *125.450 *127.850 (AM)
Approach/departure control: *132.65/340.9 *134.95/358.3 (AM)
Approach radar: *1265.0 *1345.0
ARIA aircraft radar: 1441.5
Automatic Terminal Information Sservice: *119.175/273.5 (AM)
Civil engineers: *171.3875 173.4125 173.5125
Clearance delivery: *118.400/289.400 (AM)
Command channel: 407.525 413.225 413.400
Commanders net: *149.535 148.065
Command post: 311.0 321.0 (AM)
Communications/navaid repair: 413.000
Consolidated command post (call sign Mayaap): 138.3/383.0 (AM)
Contingency (Eastern Test Range): 141.725
Control tower: *133.750/348.400 (AM)
ETR test range control: 46.850 49.850 324.7 (AM) 340.8 (AM) 407.300 413.100
FAA flight check: 135.850 (AM)
FAA telemetry: *1265.0 *1345.0 (Wideband swept pulse)
Fire: 172.300 (Tactical 2-Simplex) *173.5875 (Tactical 1-Dispatch/Explosive Ordinance
Disposal)
Fire alarm: 138.925 (data)
Fuel Farm: *165.1625
Geodetic survey detachment 4: 141.475/143.075 142.475
Ground control: *124.350/335.800 (AM)
ILS glide slope: 330.8 (Rwy 20) 331.4 (Rwy 2)
Instructional TV audio link: 1799.75
Launch operations (ETR): 266.2 308.95 320.050 (AM) 413.500
Local control: 126.650 128.150 133.800 (AM)
Marine channels: 156.300 156.575 156.800
Medical: 173.4375
Motor pool/taxi: *165.1375
Mutual Aid-Fire: 154.130
Mutual Aid-Medical: 154.160 155.160 155.340
Mutual Aid-Police: 155.370
Navaid maintenance: 407.375
Paging: 142.675 931.8375 (digital, leased)
Pilot to Dispatcher (PTD): *122.850/372.200 (AM)
Possible security channels: 407.400 407.425 413.350 413.475
Radar (IFF): 1030.0
Ramp control/Base operations: *173.125
Regional approach control: *290.8 297.2 369.2 372.8 378.8 (AM)
Search and rescue: 236.0 251.9 252.8 (AM)
Security: *163.4875 (Tactical channel 2) *173.025 (Tactical channel 1)
Security (AFTAC): *413.275
Seek Skyhook surveillance balloon telemetry: 1749.5 1750.5 1757.2 1758.2 1820.0
Special operations: 282.4 (AM)
Supply and transportation: *149.265
TACCS training: *412.875
Training: 138.400 139.650 139.700 141.600 142.300 143.800 148.050
Training Operations: 225.350 316.275 351.2 *363.9 383.2 385.7 395.1 (All AM)
U.S. Air Force Military Affiliate Radio System (MARS): 142.150 *143.450 (Repeater
output)
U.S. Air Force Office of Special Investigations: 138.075 (Repeater output) 138.175 141.525
(Repeater input)
Weather (Metro): 344.6
Weather balloon telemetry: 1680.0
Wireless mike: 170.305
71st rescue squadron maintenance: 148.095 148.175
301st rescue squadron maintenance: 148.100 *149.300 163.5875 164.175
71st/301st rescue squadrons: 413.300
Unknown use: *142.400
NASA Headquarters-Washington, D.C.
Address: 300 East Street S.W., Washington, D.C.
Building Maintenance: 463.725 (Boston Property, Inc)
NASA HQ Security Guards: 408.400 418.075
Wireless Mikes: 170.305 171.045 171.905
NASA Headquarters Security Force-Radio Callsigns
Effective June 9, 1995
---------------------------------------------------------------
Adam 12, Alpha 1/2/3/4/5/7, Bravo 5, Central, Delta 1,
Dispatch, Papa 16, Queen 16, and Sierra 1
Headquarters Security Section Westside: Facilities
Locksmith's Office: Dragon's Lair
Metrocom: Radioman
Project Manager's Office: Operations
Room CX40: Silo 7
Security Vehicle: Mach 1
Head Facilities Management and Security Section; Yankee 1
Security Level (Security Alert)
1-Normal 2-Medium 3-High
Code (Performance/Appearance Level)
1-Normal 2-Medium 3-High
NASA Headquarters Security 10 codes
10-2 Transmit/receive well
10-4 Acknowledge/OK
10-6 Busy
10-7 Out of service
10-8 In service
10-9 Repeat transmission
10-12 Stand by
10-13 Officer in trouble
10-14 Request a Supervisor at
10-17 Meet complainant at
10-18 Meet officer/Supervisor at
10-19 Return to _______
10-20 Present location
10-21 Call by phone
10-22 Disregard
10-23 On scene
10-24 Assignment complete
10-25 Report in person to _______
10-31 Suspicious person/circumstances
10-36 Time/date check
10-44 Leave assigned area/request relief
10-46 Citizen assist
10-61 In the area
10-65 On meal break
10-66 Call home next break
10-74 Negative
10-85 Report Number
10-89 Bomb threat at _______
10-93 Investigating the area
10-97 Alarm at _______
10-99 Subject barred from premises/wanted by police
10-100 Parking Meter
2665 On portable on meal break
10-400 Begin random inspections
NASA General Frequencies
International Space Station-downlink frequencies:
VHF: 138-143.5 MHz (pending approval); S-band: 2265.000 MHz; K-band: 15.003 GHz
NASA HF air-to-ground: 3089.5 6743.5 9003.5 11192.5 15062.5 (All kHz and USB)
NASA emergency net: 3385 3395 4604.5 6982.5 14455 (All kHz and USB)
NASA shuttle emergency landing site net: 408.150 408.800
NASA NCS HF net: 2360 3379 3388 5403.5 5821 5961 6106 6108 6809 9462 11801
12129 12219 13633 13744 13780 14836 14989 14908 15464 16201 16430 18744
20063 22983 23390 (All kHz and USB)
NASA nationwide assignments: 162.1125 162.9875 163.100 166.525 166.8375 167.0125
167.350 167.400 167.775 168.350 168.4125 168.9375 169.2125 171.5125 171.6375
172.0375 172.3375 172.9625 173.425 173.900
Search and rescue operations: 282.8 (AM)
Solid rocket booster recovery beacons: 240.0 242.0 (Data)
Shuttle to ground: 139.300 (FM voice to Mir) 143.600 (FM voice to Mir) 145.840 (Amateur
SAREX downlink) 243.0 (emergency only) 259.7 (primary UHF) 279.0 (EVA channel)
296.8 (secondary UHF) (All AM) 410.0-420.0 (EVA) 2106.4 (S-band tracking) 2217.5
(Orbiter OI transmitter: PM TT&C) 2250.0 (Orbiter DFI transmitter: voice, data, video)
2287.5 (PM primary) 15003.4 GHz (Ku-band telemetry)