NASA Communications

NASA/Space Shuttle Mission Frequency Guide

	AMATEUR RADIO SPACE SHUTTLE AUDIO/VIDEO RETRANSMISSIONS HF Broadcast: WA3NAN-NASA Goddard ARC WA3NAN Shuttle Retransmission FAQ: http://garc.gsfc.nasa.gov/www/retransmission/shuttle_faq.html 3860 kHz (LSB) 7185 kHz (LSB) 14295 kHz (USB) 21395 kHz (USB) 28650 kHz (USB) VHF/UHF Broadcast (MHz): 444.200 Birmingham, AL (WO4W) 1241.25 Mt. Wilson, CA (K6KMN) 147.150 Pasadena, CA (WR6JPL/R-Jet Propulsion Lab) 145.160 Cheyenne Mountain, CO (Colorado Repeater Assoc) http://www.rmsd.com/hamradio/cra/ 147.225 Conifer Mountain, CO (Colorado Repeater Assoc) http://www.rmsd.com/hamradio/cra/ 224.980 Conifer Mountain, CO (Colorado Repeater Assoc) http://www.rmsd.com/hamradio/cra/ 145.460 Lee Hill, CO (Colorado Repeater Assoc) http://www.rmsd.com/hamradio/cra/ 145.230 Dunedin, FL (K4LK-TBATS) http://home.tampabay.rr.com/k4lk/ 51.840 East Clearwater/Largo, FL (K4LK-TBATS) http://home.tampabay.rr.com/k4lk/ 442.075 East Clearwater, FL (K4LK-TBATS) http://home.tampabay.rr.com/k4lk/ 146.940 Merritt Island, FL (K4GCC) 443.950 Port Richey, FL (K4LK-TBATS) http://home.tampabay.rr.com/k4lk/ 147.285 St. Petersburg, FL (K4LK-TBATS) http://home.tampabay.rr.com/k4lk/ 444.700 St. Petersburg, FL (K4LK-TBATS) http://home.tampabay.rr.com/k4lk/ 442.550 Sarasota, FL (K4LK-TBATS) http://home.tampabay.rr.com/k4lk/ 146.655 Sweat Mountain, GA (BSRG) http://www.bsrg.org/ 147.345 Sweat Mountain, GA (BSRG) http://www.bsrg.org/ 224.120 Sweat Mountain, GA (BSRG link to 146.655 repeater) http://www.bsrg.org/ 427.250 Sweat Mountain, GA (N4NEQ BSRG ATV repeater) http://www.bsrg.org/ 147.450 Greenbelt, MD (WA3NAN-NASA Goddard ARC Simplex) http://garc.gsfc.nasa.gov/www/garc-home-page.html 145.530 Clawson, MI (N8UDK-Simplex) 439.250 Lincroft, NJ (N2SMT/R-Brookdale ARC ATV) http://165.230.224.140/~magliaco/atv.html 145.670 Cleveland, OH (NA8SA-NASA Glenn ARC Simplex) http://www.grc.nasa.gov/WWW/Clubs/NA8SA/ 426.250 Dayton, OH (DARA ATV) http://www.radio-amateurs.com/ 1258.30 Dayton, OH (DARA ATV) http://www.radio-amateurs.com/ 146.445 Greenville, PA (KE3JP) 445.000 Arlington, TX (WB5EPI-Simplex) 147.560 Beaumont, TX (KE5O-Simplex) 147.540 College Station, TX (W5AC-Simplex) 147.560 Conroe, TX (WB5ITT-Simplex) 53.110 Houston, TX (WA5SIX) 146.640 Houston, TX (W5RRR) 145.250 Mesquite, TX (KC5NQ) 145.310 Temple, TX (N5ZXJ) 421.250 Waco, TX (KC5OYN WATS ATV via W5TAH) http://www.wacoatv.org/ 144.340 Norfolk, VA (KO4FR/WA1TSS) 427.250 Norfolk, VA (KO4FR/WA1TSS ATV) 431.750 Norfolk, VA (KO4FR/WA1TSS)
TDRSS COMMUNICATION SYSTEMS Tracking and Data Relay Satellite (TDRSS) Ka-band (TDRS H/I/J) Downlink - 25.25-27.5 GHz, Uplink - 22.55-23.55 GHz Ku-band Downlink - 15.034 GHz, Uplink - 13.775 GHz S-band Multiple Access Downlink - 2287.5 MHz, Uplink - 2106.4 MHz S-band Single Access Downlink - 2219-2290 MHz, Uplink - 2030-2123 MHz TDRSS/White Sands Downlink - 13.4-14.05 GHz, Uplink - 14.6-15.23 GHz
	INTERNATIONAL SPACE STATION ALPHA Communications and Tracking Systems (C&TS) US On-Orbit Segment (USOS) Early Comm System (located on Unity module and will be used until STS-100) S-band Single Access Ku-band Communications Adapter Telemetry Downlink -- 2287.5 MHz, Command Uplink -- 2106.4 MHz Ka-band Proximiy Link -- 25.25-27.5 GHz TDRSS -- 22.55-23.55 GHz, 25.25-27.50 GHz Ku-band Single Access Uplink -- 13.775 GHz (6 MHz bandwidth), Downlink -- 15.0034 GHz (100 MHz bandwidth) S-band Single Access Downlink (HDR/LDR) -- 2265.0 MHz (6 MHz bandwidth) Uplink (HDR) -- 2085.6875 MHz (6 MHz bandwidth) Space-to-Space Communications System (UHF) -- 414.2 MHz (1.4 MHz bandwidth) Extravehicular Mobility Unit-to Extravehicular Mobility Unit (EMU-EMU), EMU-to-Space Shuttle Orbiter (SSO), EMU-to-International Space Station (ISS), SSO-to-EMU, SSO-to-ISS, ISS-to-EMU, ISS-to-SSO. Russian Orbital Segment (ROS) Zarya ISS Control Module Zarya BITS Telemetry System -- 632/634 MHz (PCM/FM) TORU Rendezvous Control System (Zarya/Progress) -- 130.167/121.750 MHz Zvezda ISS Service Module EVA Data System -- 247.0/231.0 MHz EVA Voice System (Simplex/Duplex) -- 121.750 MHz (EVA-1)/130.167 MHz (EVA-2) Internal Wireless System -- 463/420 MHz (Video) The ROS Television subsystem collects video during EVA activities and aids in the control of approach/docking vehicles both manned and unmanned. It receives TV video from various modules and displays TV pictures on monitors throughout the ROS. This system does NOT use the US NTSC video standard. Kurs Rendezvous Docking Radar -- 3294/3300 MHz This radar system has a 20 MHz bandwidth and the Zvezda module uses a passive reflector. Lira System -- 13511-13545 MHz LHCP/15130-15180 MHz RHCP (Data) Lira provides two-way, high speed radio communications with ground stations through the Luch Relay satellite system. Luch Relay Satellite System -- 900/700 MHz, 13511-13545 MHz LHCP/15130-15180 MHz RHCP (Data), 10810-10860 MHz RHCP/14591-14625 MHz LHCP Regul (Kvant) System -- 922.760/768.975 MHz Regul is designed for two-way voice comms, digital command/program info, as well as telemetry transmission to Russian ground stations or the Luch satellite. TORU Rendezvous Control System (Zvezda/Progress) -- 130.167/121.750 MHz Tracking System -- 2860 MHz/2725 MHz (Pulse Modulation) Voice Downlink Primary (VHF-1) -- 143.625/139.208 MHz (FM) Voice Downlink Backup (VHF-2) -- 121.750/130.167 MHz (FM) VHF-2 is part of the telemetry, tracking and control subsystem and is used primarily for space-to-space communication. Communications with EVA astronauts is via VHF-2. This is the equivalent system to the Space Shuttle UHF EVA military system. Zvezda BITS Telemetry System -- 628/630 MHz (PCM/FM 256 Kbps) Amateur Radio International Space Station (ARISS) Information Callsigns in use on the ISS Alpha: United States Callsign -- NA1SS Russian Callsign -- RZ3DZR Packet station mailbox callsign -- RZ3DZR-1 Packet station keyboard callsign -- RZ2DZR Astronaut William Shepherd -- KD5GSL Sergei Krikalev -- U5MIR Worldwide downlink for voice and packet -- 145.800 MHz Worldwide packet uplink -- 145.990 MHz Region 1 voice uplink -- 145.200 MHz (FM) Region 2/3 voice uplink -- 144.490 MHz (FM)
	SPACE SHUTTLE COMMUNICATION SYSTEMS Amateur SAREX downlink -- 145.840 MHz (NFM) Ku-band System -- 15.0034 GHz (Orbiter-to-TDRS 200 MHz bw)/13.775 GHz (TDRS-to-Orbiter 6 MHz bw) Microwave Scanning Beam Landing System (MSBLS) -- 15.688 GHz (7 MHz) S-band DoD Phase Modulation (PM) forward link (uplink) -- 1831.787 MHz (Primary SGLS channel 18)/1775.732 MHz (Secondary SGLS channel 4) NASA Payload-to-Space Shuttle Orbiter -- 2299.8 MHz (2.1 MHz bw) S-band Frequency Modulation (FM) return link (downlink) – 2250.0 MHz (Voice, Data, Video) S-band Phase Modulation (PM) forward link (uplink) – 2106.4063 MHz (Primary)/2041.9479 MHz (Secondary) S-band Phase Modulation (PM) return link (downlink) – 2287.5 MHz (Primary SGLS channel 18)/2217.5 MHz (Secondary SGLS channel 4) Space Shuttle Orbiter Ku-band Radar-to-Target -- 13.883 GHz (17 MHz) Space Shuttle Orbiter Radar Altimeter -- 4300 MHz (28.6 MHz) Space Shuttle Orbiter-to-NASA Payload -- 2119.8 MHz (36 kHz bw) TACAN Space Shuttle Orbiter-to-Ground-Space Shuttle Orbiter -- 1213 MHz (600 kHz bw) UHF Air-to-Ground voice downlink (AM) – 259.700 MHz (Primary)/296.800 MHz (Secondary) UHF Emergency only (AM) – 243.000 MHz UHF EVA downlink (new system) – 410.2 MHz (1.4 MHz bandwidth) UHF EVA voice orbiter only, no ground link (AM) – 279.000 MHz
	NASA/ESA GENERAL FREQUENCIES Emergency Nets: 3385 3395 4604.5 6982.5 14455 kHz (All USB) ESA Satellite TV Broadcast: Eutelsat 2 F4 (10 deg east) 11.134 GHz (H) MPEG-2 (4:2:0), 5.632 Msymb/sec, FEC 3/4 NSS-K Satellite (21 deg west) 11.465 GHz (V) 5632 Msymbl/sec, FEC 3/4 HF air-to-ground: 3089.5 6743.5 9003.5 11192.5 15062.5 kHz (All USB) NASA Air-to-Air: 123.050 123.125 (T-38 Interplane) 123.350 230.650 235.400 (T-38 Interplane) MHz (All AM) 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 kHz (All 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 (MHz (All NFM) NASA Satellite TV Broadcast: GE-2 (85 deg west), 3880.0 MHz (V) transponder 9C (C-band), 6.8 MHz mono audio, NTSC video NASA/USAF Space Ground Link Subsystem (SGLS): Uplink (MHz) Channel Downlink (MHz) 1763.7210 Channel 01 2202.5 1767.7250 Channel 02 2207.5 1771.7290 Channel 03 2212.5 1775.7320 Channel 04 2217.5 1779.7360 Channel 05 2222.5 1783.7400 Channel 06 2227.5 1787.7440 Channel 07 2232.5 1791.7480 Channel 08 2237.5 1795.7520 Channel 09 2242.4 1799.7560 Channel 10 2247.5 1803.7600 Channel 11 2252.5 1807.7640 Channel 12 2257.5 1811.7680 Channel 13 2262.5 1815.7710 Channel 14 2267.5 1819.7750 Channel 15 2272.5 1823.7790 Channel 16 2277.5 1827.7830 Channel 17 2282.5 1831.7870 Channel 18 2287.5 1835.7910 Channel 19 2292.5 1839.7950 Channel 20 2297.5 Search and Rescue Operations: 282.8 MHz (AM) Solid Rocket Booster (SRB) Recovery Beacons: 240.0 242.0 MHz (Data) Shuttle Emergency Landing Site Net: 408.150 408.800 MHz (NFM) Shuttle Launch Support Inmarsat Nets (Reported frequencies from the 15.5 deg west Atlantic satellite): 1535.250 1535.500 1535.700 1535.900 1535.975 1537.175 1537.875 1537.975 1538.325 1538.750 (KSC Audio) 1540.375 1540.425 (KSC Audio) 1540.7750 1541.075 MHz (All NFM) Shuttle Launch Support UHF Military Satellite Nets: 261.750 261.800 261.950 263.625 MHz (All NFM) The most frequently reported UHF frequencies are listed above.
	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

ALABAMA

Marshall Space Flight Center, Huntsville, Alabama
Aircraft Advisory: 122.850
Fire Department: 173.7875
Miscellaneous Net: 164.200, 166.225, 170.100, 170.400, 171.000, 171.150, 172.225, 173.6125, 173.6625, 173.6875, 173.7375
NASA Air/Ground: 314.600, 382.600
Paging System: 170.350
Shuttle Mission Audio: 173.025
Shuttle Support Nets: 408.150, 408.425, 410.000, 410.200, 411.550, 416.425
Shuttle Test Operations: 162.125, 164.175, 164.275,
Trunking Frequencies: 406.350, 407.150, 407.950, 408.750, 409.550

ANTIGUA

Contingency search and rescue: 11440 kHz (USB)
Fire/security police: 163.4875
HF Alllocations: 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)
Space shuttle range support: 264.8/284.1 (AM)

ASCENSION ISLAND

Fire: 173.575
HF Allocations: 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)
Space shuttle range support: 264.8/284.1/291.8 (AM)

CALIFORNIA

Ames Research Center/Moffett Federal Airfield Trunking System
Information courtesy of Ed Tobiasz via David Hall/Fedcom
Frequencies: 406.550 407.350 408.350 408.950 409.750 411.350 412.800
    Trunk Group User
    02-020 Security Fleet
    02-021 Security Admin/Operations
    02-022 Police dispatch
    02-023 Unknown Fleet
    02-026 Unknown Fleet
    02-027 Police Tac 1
    02-030 Police Tac 2
    02-031 Air Force Security
    02-032 CLETS
    02-040 Maintenance Fleet
    02-041 Trouble Desk
    02-042 HVAC
    02-043 Electricians
    02-044 Plumbers
    02-045 General Maintenance
    02-046 Mechanical
    02-047 Maintenance Manager
    02-050 Construction
    02-051 Public Works Dispatch
    02-052 High Voltage Crews
    02-063 OPX
    02-067 Flight Operations
    02-072 Facilities Engineering
    02-073 Unknown Fleet
    02-074 Unknown Fleet
    02-080 Administration Fleet
    02-081 A-OP
    02-083 FSR
    02-084 Safety
    02-085 Supply
    02-090 Public Affairs
    02-091 Chemical Waste
    02-092 Logistics
    02-093 Transportation
    02-094 Unknown Fleet
    02-101 Medical Operations
    02-120 Fire Fleet
    02-121 Fire Dispatch
    02-122 Fire Tac 1
    02-123 Fire Administration
    02-124 Fire Tac 2
    02-125 Fire White (154.28 MHz)
    02-126 Fire Blue (152.845 MHz)
    02-127 Fire Training
    02-130 Tower
    02-131 ATCAL Maintenance
    02-140 Unknown Fleet
    02-142 Unknown Fleet
    02-143 Data Communications
    02-144 Vidnet
    03-001 Navy operations
    03-011 Unknown Fleet
    03-021 EOC Operations
    03-022 DART Operations
    03-023 DART 1
    03-024 DART 2
    03-025 DART 3
    03-026 ERT/HAZ
    03-027 DART Common
    03-030 DART CC
    03-031 DART Haz
    03-032 Wind Tunnel Fleet 1
    03-041 87-foot Wind Tunnel Operations
    03-042 97-foot Wind Tunnel Operations
    03-043 11-foot Wind Tunnel Operations
    03-044 12-foot Wind Tunnel Operations
    03-045 PSCL Operations
    03-046 12-foot Wind Tunnel Test
    03-047 IT1
    03-050 Auxiliary Operations
    03-051 FAC Maintenance
    03-052 FAC Electrical
    03-053 Unknown Fleet
    03-054 PSP
    03-060 Unknown Fleet
    03-061 Unknown Fleet
    03-064 HPADOPS
    03-065 Computer Maintenance
    03-066 SVS
    03-067 NFAC Wind Tunnel Operations
    03-070 NFAC Electrical
    03-071 Unknown Fleet
    03-073 OARF
    03-075 NFAC-MP
    03-076 HPADS
    03-077 Unknown Fleet
    03-101 911A
    03-141 Systems Test (Radio)

Dryden Flight Research Center/Edwards AFB
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)

FLORIDA

Brevard County Public Safety Trunk System This 800 MHz EDACS trunking system does have units on it from NASA and other government agencies/military services in the area of KSC/CCAS.

Canaveral National Seashore (National Park Service)
164.750/164.250 (KID 767-New Smyrna Beach Ranger Station to Oak Hill repeater)
164.750/164.250 (KID 768-Turtle Mound Ranger Station to Oak Hill repeater)
164.750/164.250 (KID 717-Wilson Park Headquarters to Oak Hill repeater)
163.125 164.625 164.750 (KL4614-Simplex)
Loggerhead Turtle Tracking System (National Park Service, very low power): 164.4375, 164.4625, 164.4875 164.5125, 164.5375,164.5625, 164.5875, 164.6125, 164.6375, 164.6625, 164.6875, 164.7125.

Cape Canaveral Air Station, Florida
Air Force Office of Special Investigation (OSI): 138.075/139.675 138.175 141.525
Air Rescue Support: 138.450 "DoD Cape and Jolly/King aircraft" (AM)
Base Operations: 164.500 (ETR Net Y-"Base Ops" also Environmental Health Base)
Cape Tower (Skid Strip): 118.625/393.0 126.200 (AM)
Cape Control: 133.800/264.800 (AM)
CML/OFS: 142.125
Coast Guard maritime VHF frequencies:
    156.600 (Channel 12-CG Port Ops)
    156.800 (Channel 16-Maritime Distrass, Safety and Calling)
    157.050 (Channel 21)
    157.075 (Channel 81-CG Range Control, launch danger zone broadcast)
    157.100 (Channel 22-NTM, launch danger zone broadcast)
    157.150 (Channel 23-CG working, Port Canaveral-clear and DES)
    157.175 (Channel 83-CG Aux maritime surveillance)
Command Post: 165.1125 "Cape Comms"
Data Signals: 148.650 1030 (IFF/SIF pulse every 14 sec.)
Eastern Test Range--Air-to-Ground Support (Aerial Refueling Jolly aircraft): 253.6 (AM)
Eastern Test Range--Command Destruct: 416.5 (data only)
Eastern Test Range--FTS Command Alert: 168.000 (tones)
Eastern Test Range--Instrumentation Net: 148.485 (ETR Net G-Photo/Timing/Countdown status reports - " Photo Control/Camera Ops/Timing Shop")
Eastern Test Range--Launch Support Operations: 163.4375/165.0625 (ETR Net L) 407.450
Eastern Test Range--Test Range Safety: 46.650 125.900 (Variety working Relay 1) 141.300/294.6 (Cape Leader simulcast or autocat repeater)
Eastern Test Range--Air/Ground Test Range Support: 229.0 270.0 (AM)
Environmental Health: 164.500 (ETR Net Y also see Base Ops above)
FACSFAC Jacksonville (Navy) Warning Area Coordination Net: 120.950 133.950 134.650 135.825 267.5 270.6 284.5 307.2 349.9 369.9 385.1 (AM)
FCA Net: 163.5875 (ETR Net H)
Harbor common: 2716 kHz (USB)
Launch Support (weather alerts, etc) 163.5125 (ETR Net B including Cape Police/Whiskey Control)
Law Enforcement: 164.200 (Channel 2) 165.0875/163.000 (Channel/ETR Net Z Repeater DES/clear voice-Cape Security/Police) 170.125/171.975 (Channel 5/Repeater DES/Clear voice-"Cape Security")
Marine Distress/Safety (NMA 10-US Coast Guard): 156.800 (Marine Channel 16)
Paging System: 165.0125 (ETR Net S)
Range Fire Net: 163.5625 (ETR Net F)
Search and Rescue: 282.8 (AM) Autocat relay heard on 349.6
Security Alarm Maintenance: 407.225
Space Ground Link Subsystem (SGLS)-See listing in NASA General Listings Above
Space Shuttle Range Support: 294.6 AM)
SRB Recovery Ship Eastern Test Range HF Radiotelephone Net: 2716 2356 2622 2638 2715 2763 2799 2820 2836 3187 3365 5810 kHz (USB)
SRB Recovery Ship Eastern Test Range VHF Radiotelephone Net:
    156.025 Marine Channel 60
    156.050 Marine Channel 01
    156.100 Marine Channel 02
    156.125 Marine Channel 62
    156.150 Marine Channel 03
    156.175 Marine Channel 63
    156.200 Marine Channel 04
    156.225 Marine Channel 64
    156.250 Marine Channel 05
    156.275 Marine Channel 65A
    156.300 Marine Channel 06
    156.325 Marine Channel 66A
    156.350 Marine Channel 07A
    156.375 Marine Channel 67
    156.400 Marine Channel 08
    156.425 Marine Channel 68
    156.450 Marine Channel 09
    156.475 Marine Channel 69
    156.500 Marine Channel 10
    156.525 Marine Channel 70
    156.550 Marine Channel 11
    156.575 Marine Channel 71
    156.600 Marine Channel 12
    156.625 Marine Channel 72
    156.650 Marine Channel 13
    156.675 Marine Channel 73
    156.700 Marine Channel 14
    156.725 Marine Channel 74
    156.750 Marine Channel 15
    156.850 Marine Channel 17
    156.875 Marine Channel 77
    156.900 Marine Channel 18A
    156.925 Marine Channel 78A
    156.950 Marine Channel 19A
    156.975 Marine Channel 79A
    157.000 Marine Channel 20
    157.025 Marine Channel 80A
SRB UHF Locator Beacons: 240.0 242.0
TV Operations Net for Eastern Test Range Launches: 148.035
Utilities: 150.195 (ETR Net C-"Cape Support") 150.250(ETR Net E-"Ready Base")
Weather Balloons (Rawinsonde): 403.0 (Data; pulse tones) 1680 (Rawinsonde Weather Balloon, pulse every 4, 10 sec.)

Kennedy Space Center, Florida
KSC is now testing its new Motorola 400 MHz Astro Digital Trunking System. Expect major changes to this list in the future as users are placed on this system. At the present time there is no scanner on the market which will successfully decode a Motorola Astro Digital System nor is any expected to market in the near future.

Base Frequency 406.0 MHz, offset 12.5 kHz
406.6375 (Control) 406.8375 407.8375 408.0375 408.4375 408.6375 409.025
Other control channels noted: 406.2375 406.375 409.6375
Known Talk Groups:
    48    Fire Department (simulcast 173.5625)
    4432    Security (simulcast 173.6875)

Administration (Loan Pool): 173.5375 (NASA Net 111)
Air Rescue Support: 138.450 "DoD Cape" (AM)
Air Traffic Control Radar: 1250.0 (erratic pulses)
Air Traffic Control Radar Beacon System (ATCRB): 1030.0 (Pulse every 14 sec.) and 1090.0
Base Communications Net: 170.150 (NASA Net 107)
Civil Air Patrol: 148.150 (Repeater output and simplex)/143.900 (Repeater input) 127.3 Hz PL
Civil Engineers/Parking Control/Utilities Maintenance Net: 171.000 (NASA Net 101) [Bravo Control/Eagle Control/High Voltage Control]
Crane Operations: 407.100 409.525 409.775
Crane Telecommand: 408.49375 408.96875
Crawler Transport System: 916.0 (Pulses every 3, 3, 8 sec.)929.0 939.000
Department of Energy Support Net: 167.925
Fire/Rescue/Crash: 173.5625 (NASA Net 116/channel 1) 173.7875 (NASA Net 216-tactical channel 2)
Flight Service Station: 123.600 Melbourne FSS (AM)
Fuels/General Maintenance Net: 171.150 (NASA Net 201)
Helicopter control: 284.000 (AM)
Industrial Area Pool Frequencies: 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)
Installation Safety: 173.4625 (NASA Net 205)
Launch Support Operations/Refueling: 162.6125 (NASA Net 104)
Launch Pad Safety: 173.6625 (NASA Net 105)
Marine Operations/Transportation: 162.0125 (NASA Net 306)
Measurements/Safety: 165.1875 (NASA Net 102)
Medical Net: 173.4375 (NASA Net 117) UHF Medical Net operates out of Patrick AFB
Merritt Island Non-Directional Aeronautical Beacon (NDB) COI - 247 kHz
Miscellaneous NASA Net: 173.6375
Microwave Scan Beam Landing System (MSBLS) testing: 165.6125 (NASA Net 202)
NASA Weather Instrumentation Net (Data): 409.925 413.050
Orbiter Operations/Shuttle Support: 165.4125 (NASA Net 110)
Paging (voice/digital): 170.350 (NASA Net 308)
Public Affairs/Hurricane Operations: 163.5375 (NASA Net 108)
Public Affairs Media coordination/STS TV Coordination Net: 171.2625 (NASA Net 408)
Rail transportation: 413.125
Remote camera control (data signal provides camera status to control facility): 407.575 412.850 932.00625 (Pulse every 3.8 sec.) 941.00625 [Multipoint-to-point operations]
Sandia Labs Simplex Support Frequency (DOE): 167.850 168.450 (Tone)
Safety Net: 173.8625
Satellite/Payload Maintenance: 413.325
Search and Rescue: 282.8 (AM)
Security: 173.175 (NASA Net 203/Tactical 2-"Control") 173.6875 (NASA Net 103-Law Enforcement/Patrol-"Control")
Shuttle Landing Facility
    121.5 (Civilian Guard/Emergency)
    243.0 (Military Guard/Emergency)
    121.750 (Ground Control)
    259.7 (Orbiter to ground)
    279.0 (Orbiter to ground/EVA)
    296.8 (Orbiter to ground)
    128.550/284.0(Tower-Local/Helicopter Control)
    123.6 (Civilian Traffic Advisory)
    134.950/239.725 (Daytona Approach/Departure Control) (All AM mode)
Shuttle Launch Air Support: 126.65
Shuttle Rail and Special Trucking Net: 170.175 (NASA Net 206)
Solid Rocket Booster (SRB) Recovery Beacons: 240.0 242.0 (Data)
Space Shuttle Ground Support Nets:
    407.325 (UHF-1)
    407.475 (UHF-2)
    408.150 (UHF-3)
    408.175 (UHF-4)
    408.800 (UHF-5)
    409.050 (UHF-6)
    409.125 (UHF-7)
    409.175 (UHF-8)
Supply/Vehicle Maintenance: 150.325 (paired with 173.4875) 170.400 (NASA Net 106)
TACAN: 1146.0 (Titusville-TTS Channel 59Y)
Traveler Information Service (TIS): 1320 kHz (AM-10 watts)
U.S. Customs Service: 165.2375/166.4375 (Repeater output-talk around/input) 166.4875 (Simplex)
VAB to crawler transport duplex channels: 407.600 and 412.975 (Crawler No 1) 408.025 and 413.825 (Crawler No 2)
VAB crane operation: 410.1375 410.8625 (Data)
Weather instrumentation (telemetry) net: 409.925 413.050
Wind telemetry system: 418.075
Wireless mikes: 169.505 170.245 171.045 171.905

Shuttle Launch Nets/Frequencies
Net Frequency Usage
101 171.0000 Utility Management/Civil Engineers/Parking Control
102 165.1875 Measurements/Safety
103 173.6875 Security (Law Enforcement/Patrol)
104 162.6125 Launch Support Operations
105 173.6625 Launch Pad Safety
106 170.4000 Supply
107 170.1500 Operations
108 163.5375 Paging/PAO/Hurricane Operations
110 165.4125 Orbiter Operations
111 173.5375 Administration: Loan Pool
116 173.5625 Fire/Rescue Dispatch
117 173.4375 Medical Net

201 171.1500 Maintenance
202 165.6125 MSBLS/Telemetry
203 173.1750 Security (Tactical 2)
205 173.4625 Installation Safety
206 170.1750 Base transportation/Railroad Operations
216 173.7875 Fire Rescue (Tactical)

306 162.0125 Marine Operations/Transportation
308 170.3500 Base Paging (Voice)

408 171.2625 Camera Recording Coordination Net

Malabar, Florida
Air Force emergency hurricane net: 3365 4900 5350 7412 10305 (All kHz)
Air Force Maintenance Control: 149.500 (Also at CCAFS)
Eastern Test Range clearance function: 2638 kHz (USB)
Eastern 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)
Eastern Test Range Control (Cape Radio): 2622 3041 5810 7672 7765 10780 11615.5 13878 20195 20390 (All kHz)
Federal Aviation Administration (FAA) Net: 172.850 (repeater output/169.250 repeater input) 166.175 172.175
Harbor common: 2716 kHz (USB)
Navy Atlantic aircraft: 3120 4828 5718 6693 6708 6723 9006 11205 11252 13227 13237 15021 15051 15057 15067 18009 (All kHz and USB)
Navy Atlantic ships: 4521 4766 4856.5 5246 6897 7461 7676 9043 (All kHz and USB)
Navy Atlantic ships/aircraft: 2836.5 kHz (USB)
Navy Surface Radar: 1250 MHz
Solid rocket boosters recovery vessels: 2356 2622 2639 (Inter-ship ops) 2716 (Harbor Ops) 2764 2800 2820 2837 3187 3365 5180 5190 5810 (All kHz) (plus various VHF marine channels)
Space shuttle support: 5187 kHz (USB)

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 National Wildlife Refuge
164.650/163.150 US Fish and Wildlife Repeater
164.650 US Fish and Wildlife Simplex

Patrick AFB, Florida
920th Rescue Group Operations: 255.5 311.0 (King/Jolly-ARs) 321.0 "Rescue Ops"
920th Rescue Group Maintenance: 149.300/148.100 148.175 163.5875 164.175
920th Rescue Group Pararescue Training: 413.300
920th Rescue Group SAR Contingency/Training: 236.0 251.9 (Judy Drop Zone)
Administrative (Navy): 138.375
Air Force Military Affiliate Radio System (MARS): 142.150 143.450 (Repeater output)
Air Force Office of Special Investigations: 138.075/141.525 138.175/141.525 407.400 413.350 413.475
Air Force Reserve training: 138.275 138.475 (AM)
Air National Guard administration: 408.000 408.050
Air National Guard maintenance: 141.625
Approach/Departure Control: 132.65/281.425 134.95/239.725 (AM)
ARIA Aircraft Radar: 1441.5
ATC Approach Radar: 1265.0 1345.0 (wideband sweep pulse)
Automatic Terminal Information Service: 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: 133.750/269.375 127.100 132.600 269.200 372.800 378.800 (AM)
Eastern Test Range Control: 46.850 49.850 324.7 (AM) 340.8 (AM) 407.300 413.100
FAA flight check: 135.850 (AM) Flight Surgeon Control: 413.875/??
Fire: 172.300 (Tactical 2-Simplex) 164.700/173.5875 (Tactical 1-Dispatch)
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)
Launch Operations (ETR): 266.2 308.95 320.050 (AM) 413.500
Marine Channels: 156.300 (Inter-ship) 156.575 (Boat Safety) 156.800
Medical: 173.4375 also UHF MED 1-10 channel pairs (462.950/468.950-463.175/468.175)
Motor Pool/Taxi: 165.1375
NASA ER-2 Operations: 138.025 290.800 328.025 378.800
Navaid Maintenance: 407.375
NORAD Air Defense Air-to-Ground: 148.125 282.400 364.200 (AM)
Paging: 142.675 931.8375 (digital, leased)
Pilot-to-Dispatcher (PTD): 122.850/372.200 (AM)
Radar (IFF): 1030.0
Ramp Control/Base Operations: 173.125
Regional Approach Control: 290.8 297.2 358.3 369.2 372.8 378.8 (AM)
Search and Rescue: 236.0 251.9 252.8 (AM)
Security: 163.4875 (Tactical channel 2) 173.025 (Tactical channel 1) 407.425
Security (AFTAC): 413.275
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)
Weather (Metro): 344.6
Weather Balloon Telemetry: 1680.0
Wireless Mike: 170.305

LOUISIANA

Michoud Assembly Facility, New Orleans, Louisiana
Fire Department: 173.6125/170.575
HF Networks: 2182 2206 2382 3380 3385 3395 6230 6982.5 14455 kHz (Various modes)
Maintenance Net: 164.100 (NOLA Net 201) 164.9875 (NOLA Net 203) 167.975 (NOLA Net 220) 171.150 (NOLA Net 205) 408.000 (NOLA Net 215) 411.450/408.425 408.800 (NASA Net 212) 409.125 (NOLA Net 217) 410.000 (NOLA Net 214) 410.200 (NOLA Net 218) 417.650 (NOLA Net 219) 419.150 (NOLA Net 216)
Miscellaneous Net: 162.0125 (NOLA Net 208) 164.200 164.975 (NOLA Net 213) 168.450 173.7375 (NOLA Net 202) 406.225 409.200 409.225 413.875
Paging System: 172.225
Transportation Net: 164.700 170.400 (NOLA Net 206)
Trunking Frequencies: 406.550, 407.350, 408.150, 408.950, 409.750

MARYLAND

Goddard Space Flight Center, Greenbelt, Maryland
Construction: 410.175
Miscellaneous Net: 164.175, 167.825, 167.975, 170.025, 170.175, 170.400, 171.000, 171.150, 173.6625, 173.6875
Paging System: 167.925
Security Net: 170.350
Trunking Frequencies: 407.000, 408.150, 408.625, 409.525, 410.275

MISSISSIPPI

John C. Stennis Space Flight Center, Mississippi
Trunking Frequencies: 406.350, 407.150, 407.950, 408.750, 409.550

OHIO

Glenn Research Center, Cleveland, Ohio
Trunking Frequencies: 406.350, 407.150, 407.950, 408.750, 409.550

TEXAS

Johnson Space Center-Houston, Texas
Administrative net: 164.9875
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 Paging System: 409.025
Medical Net Building 45 (repeater input 168.450): 170.375
Medical Network (repeater input 407.175): 409.175
Mutual Aid (emergencies/disasters only): 154.280
NASA Aircraft Operations (Ellington AFB): 123.125 (AM), 170.750 (FM)
NASA Air-to-Ground (Ellington AFB): 235.400 (AM)
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
Security Net: 164.200
Texas Intercity (emergencies/disasters only): 155.370
Transportation Net Building 320 (repeater input 172.300): 173.8125
Trunking Frequencies: 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

VIRGINIA

Langley Research Center/Hampton
Civil Engineers: 173.100
Directors Net: 173.6375
Duty Officer: 173.6625
Fire Department: 173.6125
Flight Support: 123.150, 123.450
Inspection Operations: 173.6875
High Temperature Tunnel Operations: 170.750
Landing Dynamics Operations: 166.4875
Maintenance: 170.125
NASA Air Operations: 314.600, 382.600
NASA Operations: 122.850, 164.9875
Noise Test: 40.870, 49.830
Operations Support: 171.150
Paging System: 170.400
Safety Operations: 173.500
Security: 165.625, 170.000, 173.050
Supply: 170.350
Wind Tunnel Operations: 171.000
Wyle Lab Operations: 166.225

Wallops Island Flight Facility

Air-to-Ground Net: 264.550, 310,650, 326.300, 382.600
Approach/Departure Control: 127.950, 132.550, 134.100, 314.000, 353.600
ASOS Weather System: 119.175
Clearance Delivery: 121.700
Coordination Net: 139.475, 140.275
Distress, Safety and Calling (Marine): 156.800
Earth Station Operations: 166.050
Facility Maintenance: 171.3875
Flight Test Support: 122.850, 123.150, 123.175, 123.200, 123.225, 123.250, 123.300, 123.375, 123.450, 123.550
Instrumentation Net: 149.150, 149.325
Medical Net: 171.000
Miscellaneous Net: 236.450, 256.550
NASA Aircraft Operations: 311.200
NASA Range Surveillance Aircraft/Mission Net: 121.950, 123.400
Paging System: 170.400
Security: 170.350
Test Range Operations: 166.225, 171.150, 314.600
Test Range Safety: 156.300, 156.600, 156.625, 156.700, 164.700
Tower: 126.500, 394.300
Transportation Dispatch: 46.730
Unicom: 122.800

Last updated on September 1, 2001