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1994-03-26
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SPACE SHUTTLE RADIO FREQUENCY LIST
By Rich Weinkauf, N8QLT, Farmington, MI
A Space Shuttle mission requires the coordination of thousands of
individuals; both on the planet, and off. This coordination is directed
largely by radio communications, both voice and digital; and supplies the
communications enthusiast with several opportunities for listening. The
following list includes radio voice communication frequencies reported to
be in use during a typical Space Shuttle mission. This list has been
gleaned from many sources, including personal communications, messages on
Prodigy, Amateur Radio Bulletin Boards, Space and Astronomy Bulletin Boards,
and the NASA Spacelink BBS. All of it is subject to change without notice,
and reception is dependent on your location and the propagation conditions.
I can be reached for additions, deletions, and corrections to this
list via:
Packet radio: N8QLT @ WD8DWO.#semi.mi.us.na
CompuServe: 70534,227
Internet: 70534.227@compuserve.com
Prodigy: BNCG39A
Launch and Landing Operations
NASA Malabar/Palm Bay, FL Nets (in KHz, USB commonly)
Solid rocket booster recovery 2622 primary, 2764, 3187, 4510, 7765,
11407, 11621
NASA tracking vessels 5180, 5187
ETR range control 2678
ETR primary night channel 5190
ETR secondary night channel 5810
ETR primary day channel 10780
ETR secondary day channel 20390
Launch support ships 5680, 11104, 11252, 18009, 19303
Launch support aircraft 5350, 7676, 9022, 9043, 9132, 13227,
13878
Cape Radio/Leader 4856
Cape radio/Coast Guard Ships 4992
Cape Radio/Launch support A/C 7461
Cape radio 6896, 6837, 11414, 11548, 19640,
23413
S&R Coast Guard primary 3024
S&R Primary recovery zone 4376
S&R Primary Atlantic 6720
S&R comm with Bahamas 7412
Backup mission audio 2664
Navy harbour control 2716
Launch tracking net 7525, 20186
Space missile tactical net 10305
OCC Shuttle mission audio 20198
NASA CB radio channel 9 27065 AM
Data buoys 2405
Data channels 7919, 7985, 13237, 13495
Malabar-Ascension Island MUX 10310, 13600, 20192
Ascension Island-Malabar MUX 14937, 19966, 22755
USAF/NASA communications 4510, 4760, 4855, 4992, 5350, 5810,
6727, 6740, 8993, 9315, 9974, 10780,
11104, 11414, 11548, 14615, 19303,
19984, 20191, 20475
Edwards AFB: (frequencies in MHz)
116.4 00 ATIS
120.7 00 control tower
121.8 00 ground control
126.100, 127.800 approach control
133.650 approach/departure control
138.450 commandpost
149.925 security
162.6125 NASA ops
164.1 00 NASA
173.5875 fire
236.6 00 control tower
269.9 00 ATIS
290.3 00 departure control
318.1 00 tower
348.7 00 approach control
372.2 00 dispatchers
390.1 00 ground control
Kennedy Space Center Operations (KHz)
2182, 3023
Kennedy: (MHz)
117.8 00 shuttle control
121.750, 126.300 ground control
126.650 weather
142.500, 143.040 cranes
148.455 NASA booster recovery
148.485 launch countdown/status
148.500, 149.100 Search and Rescue ships
149.175 shuttle crawler
162.000 Search and Rescue ships
162.0125 NASA vessels
162.6125 NASA ops
163.4625, 163.4875 security
163.5125 security
163.5625 fire - primary
164.0 00 radiation checks
164.800 Search and Rescue aircraft
165.1875 check points
170.150 base operations
170.175 transportation
170.350 public relations
170.400 General Services Administration
171.150 maintenance/fuel
171.2625 camera tracking
173.175 security - gates
173.4375 medics
173.5625 fire/rescue
173.6625 safety units
173.6875 security - vans
173.7875 fire - secondary
284.0 00 ground control
Kennedy Space Center Ground Support (MHz)
148.480, 149.170, 162.610, 163.460, 163.480, 163.510, 163.560, 165.190,
170,150, 170.170, 170.350, 171.150, 171.260, 173.560, 173.680
Patrick AFB: (MHz)
118.400 approach/departure control
121.700 ground control
125.100 approach control
126.200 control tower
128.800 dispatcher
138.300 command post
273.500 ATIS
335.800 ground control
340.900 approach/departure control
344.600 weather
348.400 control tower
358.300 approach control
372.200 dispatchers
International emergency air frequencies (MHz)
121.500
243.000
Shuttle frequencies: (MHz)
296.800 primary, air-to-ground or orbiter-to-suit
259.700 air-to-ground or suit-to-orbiter
279.000 suit-to-orbiter or suit-to-suit
Communications and other stuff: S-band (MHz)
2205.000 Air-to-ground
2217.500 Air-to-ground secondary
2287.500 Air-to-ground primary digital downlink
2041.900 Ground-to-air
2201.400 Ground-to-air
1831.800 primary (USAF uplink, phase modulation)
1775.100 secondary
2250.000 wide band FM with main engine analog
telemetry during launch, or TV during orbit
operations.
Note from Ron Parise, WA4SIR, on above S-band frequencies: "The
S-band system is one of the primary orbiter downlink bands. The voice
channels are digital slope delta modulation and are MUX'ed in with the
rest of orbiter telemetry very difficult to copy. Much of the downlink TV
is S-band wide band FM and should be easy to copy.
The Ku-band system is used in conjunction with the TDRS satellites,
and is used more heavily during Spacelab flight than others. The data rate
is very high digital (50 Mbits/sec), and will be nearly impossible for you
to demodulate and decommutate in your basement. Nevertheless, the shuttle
transmits on 15.003 GHz. These transmission are directed toward the TDRS
satellite with a high gain antenna, and cannot be copied from the ground.
The UHF frequencies are fun to listen to, but are not heavily used
except during EVA's. You will almost always hear some activity on them
during a mission, just be patient."
Ron WA4SIR
Contractors
Rockwell (Edwards)
2995.5, 3282.5, 3475.5, 5597.5, 10010.5, 17966.5 (kHz, USB)
122.800, 123.050, 123.350, 123.525, 462.925 (MHz)
Rockwell (Edwards/Kennedy)
123.475 (MHz)
McDonnell Douglas (Edwards)
123.300, 123.550 (MHz)
Com-Tech Associates (Kennedy)
151.955 (MHz)
IBM & Harris Corp. (Kennedy)
152.480 (MHz)
TWA (Kennedy)
154.515 (MHz)