This page is obsolete and no longer maintained

2900 - 3100 MHz

• Marine radiodetermination (radar) [80.375(d)]
• Government Radiolocation [2.106 footnote G56]
• Radiolocation, secondary, no speed measuring devices [Part 90 Subpart F]
• Automatic vehicle identification systems (AVIS) [15.251]

3100 - 3260 MHz

• Government Radiolocation
• Radiolocation [Part 90 Subpart F]
• Automatic vehicle identification systems (AVIS) [15.251]

3260 - 3267 MHz

• Government Radiolocation
• Radiolocation [Part 90 Subpart F]

3267 - 3300 MHz

• Government Radiolocation
• Radiolocation [Part 90 Subpart F]
• Automatic vehicle identification systems (AVIS) [15.251]

3300 - 3500 MHz

• Government Radiolocation
• Radiolocation, survey operations only, 5 watts max. transmitter power [Part 90 Subpart F]
• Amateur (9 centimeter band)
• Automatic vehicle identification systems (AVIS), 3300 - 3332 MHz, 3339 - 3345.8 MHz and 3358 - 3500 MHz only [15.251]

3500 - 3600 MHz

• Government Radiolocation
• Radiolocation [Part 90 Subpart F]
• Automatic vehicle identification systems (AVIS) [15.251]

3600 - 3625 MHz

• Government Radiolocation
• Radiolocation [Part 90 Subpart F]

3625 - 3650 MHz

• Government Radiolocation
• Radiolocation [Part 90 Subpart F]
• Proposed for reallocation from Government to non-Government
  • S.652, Telecommunications Competition and Deregulation Act of 1995, SEC. 701(d) (Passed by the Senate on June 15, 1995)
  • The proposal was not included in the final bill. (February 01, 1996)

3650 - 3700 MHz

• Government Radiolocation [2.106 footnote US348]
• Wireless Communications Services, licensed by competitive bidding [Part 27 Subpart H] (Reallocated from Government use by FCC Order 00-363, Adopted: October 12, 2000; Released: October 24, 2000)
• Government Radiolocation, on a non-interference basis for use by ship stations located at least 44 nautical miles in off-shore ocean areas [2.106 footnote US349]
• Radiolocation [Part 90 Subpart F]
• Fixed-satellite service (space-to-Earth), telemetry, tracking and telecommand [2.106 footnote NG169 and 25.202(g)(1)]
• Mobile except aeronautical mobile service, limited to base station operations [2.106 footnote NG170]
• Proposed for unlicensed devices that would be allowed to operate at higher power levels than usually permitted for unlicensed services [News Release, April 15, 2004]

3700 - 4200 MHz

• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service, Local Television Transmission Service, Private Operational Fixed Service [101.147(h)]

4200 - 4400 MHz

• Radio altimeters [87.187(s)]

---

Gap in list

---

4635 - 4685 MHz

• Government

---

Gap in list

---

4825 - 4835 MHz

• Radio astronomy observations of the formaldehyde line [2.106 footnote US203]

---

Gap in list

---

4940 - 4950 MHz

• Fixed and mobile services (except aeronautical mobile service) in support of public safety [FCC 02-47, Released: February 27, 2002]

4950 - 4990 MHz

• Fixed and mobile services (except aeronautical mobile service) in support of public safety [FCC 02-47, Released: February 27, 2002]
• Radio astronomy - used in studying the brightness distributions of both galactic and extra-galactic objects such as ionized hydrogen clouds and supernova remnants. [2.106 footnote US257]

4990 - 5000 MHz

• Radio astronomy - used in studying the brightness distributions of both galactic and extra-galactic objects such as ionized hydrogen clouds and supernova remnants. [2.106 footnote US257]

5000 - 5150 MHz

• Aeronautical radionavigation - Microwave Landing System (MLS)

5150 - 5216 MHz

• Aeronautical radionavigation service - future operations of Terminal Doppler Weather Radar (TDWR) and data link applications, including Automatic Dependent Surveillance (ADS)
• Radiodetermination satellite: Satellite-to-control center [25.202(a)(2)]
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 06-96] adopted: June 29, 2006, released: June 30, 2006
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted January 9, 1997
  • FCC NPRM [FCC 96-193] adopted April 25, 1996
• MSS feeder links

5216 - 5250 MHz

• Aeronautical radionavigation service - future operations of Terminal Doppler Weather Radar (TDWR) and data link applications, including Automatic Dependent Surveillance (ADS)
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted January 9, 1997
  • FCC NPRM [FCC 96-193] adopted April 25, 1996
• MSS feeder links

5250 - 5350 MHz

• Government radiolocation service (which includes radars used by the Defense Department to track missiles and radars used by the FAA to track aircraft)
• Radiolocation [Part 90 Subpart F]
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 06-96] adopted: June 29, 2006, released: June 30, 2006
  • FCC MO&O [FCC 06-96] adopted: June 29, 2006, released: June 30, 2006
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted January 9, 1997
  • FCC NPRM [FCC 96-193] adopted April 25, 1996

5350 - 5460 MHz

• Government radiolocation [2.106 footnote G56]
• Aeronautical Radionavigation Service [Part 87]
• Radiolocation, no speed measuring devices [Part 90 Subpart F]

5460 - 5470 MHz

• Marine radiodetermination (radar, shipborne only) [80.375(d)]
• Government radiolocation [2.106 footnote G56]
• Aeronautical Radionavigation Service [Part 87]
• Radiolocation, no speed measuring devices [Part 90 Subpart F]

5470 - 5650 MHz

• Marine radiodetermination (radar, shipborne only) [80.375(d)]
• Government radiolocation [2.106 footnote G56]
• Radiolocation, no speed measuring devices [Part 90 Subpart F]
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 06-96] adopted: June 29, 2006, released: June 30, 2006
  • FCC MO&O [FCC 06-96] adopted: June 29, 2006, released: June 30, 2006
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted January 9, 1997
  • FCC NPRM [FCC 96-193] adopted April 25, 1996

5650 - 5725 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Amateur (5 centimeter band)
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 06-96] adopted: June 29, 2006, released: June 30, 2006
  • FCC MO&O [FCC 06-96] adopted: June 29, 2006, released: June 30, 2006
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted January 9, 1997
  • FCC NPRM [FCC 96-193] adopted April 25, 1996

5725 - 5785 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Government radiolocation service
• Amateur (5 centimeter band)
• Industrial, Scientific and Medical [Part 18]
• Unlicensed spread spectrum transmitters [15.247]
  • FCC proposal to eliminate the limit on directional gain antennas Released: February 5, 1996
• Intentional radiators, 50 millivolts/meter at 3 meters max. [15.249]
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted: January 9, 1997
  • FCC NPRM [FCC 96-193] adopted April 25, 1996
• Proposed for student experimental use [Part 5]
  • FCC NPRM December 20, 1996

5785 - 5815 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Government radiolocation service
• Amateur (5 centimeter band)
• Industrial, Scientific and Medical [Part 18]
• Unlicensed field disturbance sensors [15.245]
• Unlicensed spread spectrum transmitters [15.247]
  • FCC proposal to eliminate the limit on directional gain antennas Released: February 5, 1996
• Intentional radiators, 50 millivolts/meter at 3 meters max. [15.249]
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted January 9, 1997)
  • FCC NPRM [FCC 96-193] adopted April 25, 1996)
• Proposed for student experimental use [Part 5]
  • FCC NPRM December 20, 1996

5815 - 5825 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Government radiolocation service
• Amateur (5 centimeter band)
• Industrial, Scientific and Medical [Part 18]
• Unlicensed spread spectrum transmitters [15.247 ]
  • FCC proposal to eliminate the limit on directional gain antennas Released: February 5, 1996
• Intentional radiators, 50 millivolts/meter at 3 meters max. [15.249]
• Unlicensed National Information Infrastructure (U-NII) devices [Part 15 Subpart E]
  • FCC MO&O [FCC 98-121] adopted: June 17, 1998, released: June 24, 1998
  • FCC R&O [FCC 97-5] adopted: January 9, 1997
  • FCC NPRM [FCC 96-193] adopted April 25, 1996
• Proposed for student experimental use [Part 5]
  • FCC NPRM December 20, 1996

5825 - 5850 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Government radiolocation service
• Amateur (5 centimeter band)
• Industrial, Scientific and Medical [Part 18]
• Unlicensed spread spectrum transmitters [15.247 ]
  • FCC proposal to eliminate the limit on directional gain antennas Released: February 5, 1996
• Intentional radiators, 50 millivolts/meter at 3 meters max. [15.249]

5850 - 5875 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Fixed-satellite service (Earth-to-space), telemetry, tracking and telecommand [2.106 footnote NG169 and 25.202(g)(1)]
• Amateur (5 centimeter band)
• Intentional radiators, 50 millivolts/meter at 3 meters max. [15.249]
• Industrial, Scientific and Medical [Part 18]
• Proposed for reallocation from Government to non-Government
  • S.652, Telecommunications Competition and Deregulation Act of 1995, Sec. 701(d) (Passed by the Senate on June 15, 1995)
  • The proposal was not included in the final bill. (February 01, 1996)

5875 - 5925 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Fixed-satellite service (Earth-to-space), telemetry, tracking and telecommand [2.106 footnote NG169 and 25.202(g)(1)]
• Amateur (5 centimeter band)
• Proposed for reallocation from Government to non-Government
  • S.652, Telecommunications Competition and Deregulation Act of 1995, Sec. 701(d) (Passed by the Senate on June 15, 1995)
  • The proposal was not included in the final bill. (February 01, 1996)

5925 - 6425 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Point-to-Point Microwave Service, Local Television Transmission Service, Private Operational Fixed Service [101.147(i)]

6425 - 6525 MHz

• Local Television Transmission Service [101.147(j)]
• Private Operational Fixed Service - mobile [101.147(j)]
• TV Broadcast Auxiliary Service [74.602 (j)]
• Cable Television Relay Service - mobile only [78.18 (a) (6)]
• Fixed-satellite service (Earth-to-space), telemetry, tracking and telecommand [2.106 footnote NG169 and 25.202(g)(1)]

6525 - 6541.5 MHz

• Point-to-Point Microwave Service, Private Operational Fixed Service [101.147(l)]
• Radiodetermination satellite: Satellite-to-control center [25.202(a)(2)]

6541.5 - 6875 MHz

• Point-to-Point Microwave Service, Private Operational Fixed Service [101.147(l)]

6875 - 7125 MHz

• Broadcast Auxiliary [74.602]
• Fixed-Satellite (Earth-to-space), 6875 - 7075 MHz only [Part 2]

---

Gap in list

---

7145 - 7190 MHz

• Earth-to-space transmissions in the space research service, limited to deep space communications at Goldstone, California. [2.106 FOOTNOTE US252]

---

Gap in list

---

7250 - 7750 MHz

• Military communication satellites: DSCS III (downlink)

---

Gap in list

---

7900 - 8400 MHz

• Military communication satellites: DSCS III (uplink)

8400 - 8500 MHz

• Industrial/Business Radio, base or mobile, limited to developmental operation only [Part 90 Subpart C]

8500 - 9000 MHz

• Government radiolocation
• 8750–8850 MHz, Airborne Doppler radar [Part 87]
• Radiolocation [Part 90 Subpart F]

9000 - 9200 MHz

• Government radiolocation limited to the military services [2.106 footnote G2]
• Aeronautical radionavigation service [Part 87]
• Radiolocation, no speed measuring devices [Part 90 Subpart F]

9200 - 9300 MHz

• Government radiolocation
• Radiolocation [Part 90 Subpart F]

9300 - 9500 MHz

• Government radiolocation
• Marine radiodetermination (radar) [80.375(d)]
• Airborne radars and beacons [Part 87]
• Government Meteorological Aids Service
• Radiolocation, no speed measuring devices [Part 90 Subpart F]

9500 - 9975 MHz

• Government radiolocation
• Radiolocation [Part 90 Subpart F]

9975 - 10,000 MHz

• Government radiolocation
• Weather radars on meteorological satellites [2.106 footnote G32]
• Radiolocation [Part 90 Subpart F]

10,000 - 10,025 MHz

• Amateur (3 centimeter band) - secondary
• Government radiolocation - military services [2.106 footnote G32]
• Weather radars on meteorological satellites [2.106 footnote G32]
• Radiolocation, survey operations only, 5 watts max. transmitter power, pulsed emissions prohibited [Part 90 Subpart F]
• Student experimental use [5.89]

10,025 - 10,500 MHz

• Government radiolocation - military services [2.106 footnote G32]
• Amateur (3 centimeter band) - secondary
• Radiolocation, survey operations only, 5 watts max. transmitter power, pulsed emissions prohibited [Part 90 Subpart F]
• Student experimental use [5.89]

10,500 - 10,550 MHz

• Unlicensed field disturbance sensors [15.245]
• Radiolocation, unmodulated coninuous-wave carrier only [Part 90 Subpart F]

10,550 - 10,680 MHz

• Point-to-Point Microwave Service, Digital Electronic Message Service [101.147(m)]
• Private Operational Fixed Service, DTS [101.147(m)]
• Industrial/Business Radio, base or mobile, grandfathered only [Part 90 Subpart C]
• Public Safety Radio, base or mobile, grandfathered only [Part 90 Subpart B]

---

Gap in list

---

10,700 - 10,950 MHz

• Point-to-Point Microwave Service [101.147(o)]
• Private Operational Fixed Service [101.147(o)]
• Fixed-satellite service (international only) [2.106 FOOTNOTE NG104]

10,950 - 11,200 MHz

• Fixed satellite (international only): space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service [101.147(o)]
• Private Operational Fixed Service [101.147(o)]

11,200 - 11,450 MHz

• Point-to-Point Microwave Service [101.147(o)]
• Private Operational Fixed Service [101.147(o)]
• Fixed-satellite service (international only) [2.106 FOOTNOTE NG104]

11,450 - 11,700 MHz

• Fixed satellite (international only): space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service [101.147(o)]
• Private Operational Fixed Service [101.147(o)]

11,700 - 12,200 MHz

• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Local Television Transmission Service [101.101]

12,200 - 12,700 MHz

• Direct Broadcast Satellite [100.1]
• Multichannel Video Distribution and Data Service (MVDDS) [Part 101 Subpart P]
  • FCC Order on MVDDS Authorization and Service Rules, May 23, 2002 (FCC 02-116) | txt | pdf | Word
• Private Operational Fixed Service (on a non-interference basis to Direct Broadcast Satellite service reception) [101.147(p)]

12,700 - 13,250 MHz

• TV Broadcast Auxiliary Service [74.602]
• Cable Television Relay Service [Part 78]
• Local Television Transmission Service, 13,200 - 13,250 MHz only [101.803]
• Local Television Transmission Service, to provide service to television stations, networks and cable systems [101.803(b)]
• Private Operational Fixed Service (Applications for special reaccomodation to 12,700 - 13,150 MHz were due by September 9, 1988) [94.93(d)]
• Fixed-satellite service (12.75-13.25 GHz) (international only) [2.106 FOOTNOTE NG104]
• 12.75-13.25 GHz is also allocated to the space research, (deep space) (space-to-earth) service for reception only at Goldstone, California [2.106 FOOTNOTE US251]

13,250 – 13,400 MHz

Airborne doppler radar [Part 87]

13,400 - 13,750 MHz

• Military radiolocation [2.106 footnote G59]
• Radiolocation [Part 90 Subpart F]

13,750 - 14,000 MHz

• Fixed-Satellite Service ("FSS") Earth-to-space ("uplink")
  • FCC Order allocating spectrum, September 26, 1996.
• NASA's Tracking and Data Relay Satellite System forward space-to-space link when this link is operated in its wideband mode.
• Government Space Research and Earth Exploration-Satellite Services
• Military radiolocation [2.106 footnote G59]
• Radiolocation [Part 90 Subpart F]

14,000 - 14,050 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Marine radiodetermination (radar) [80.375(d)]
• Radionavigation

14050 - 14,200 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Radionavigation [Part 87]

14,200 - 14,300 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Local Television Transmission Service [101.803]
• Radionavigation [Part 87]

14,300 - 14,400 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Local Television Transmission Service [101.803]
• Radionavigation [Part 87]

14,400 - 14,470 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Government terrestrial

14,470 - 14.500 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Government terrestrial
• Radio astronomy observations of the formaldehyde line [2.106 footnote US203]

---

Gap in list

---

15,700 - 16,200 MHz

• Military radiolocation [2.106 footnote G59]
• Airport surface detection equipment (ASDE) [2.106 footnote G59]
• Radiolocation [Part 90 Subpart F]

16,200 - 17,700 MHz

• Military radiolocation [2.106 footnote G59]
• Radiolocation [Part 90 Subpart F]
• 17,300 to 17,700 MHz proposed for satellite broadcasting service (space-to-Earth) [FCC News Release, June 21, 2006]

17,700 - 17,800 MHz

• GSO/FSS "conventional" downlink pairing with GSO/FSS uplinks at 27.5- 30.0 GHz
  • FCC R&O FCC 96-311 July 22, 1996
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• TV Broadcast Auxiliary Service [74.602]
• Cable Television Relay Service

17,800 - 18,580 MHz

• GSO/FSS "conventional" downlink pairing with GSO/FSS uplinks at 27.5- 30.0 GHz
  • FCC R&O FCC 96-311 July 22, 1996
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• TV Broadcast Auxiliary Service
• Cable Television Relay Service

18,580 - 18,600 MHz

• GSO/FSS "conventional" downlink pairing with GSO/FSS uplinks at 27.5- 30.0 GHz
  • FCC R&O FCC 96-311 July 22, 1996
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• Aural Broadcast Auxiliary Service
• Cable Television Relay Service

18,600 - 18,800 MHz

• GSO/FSS "conventional" downlink pairing with GSO/FSS uplinks at 27.5- 30.0 GHz
  • FCC R&O FCC 96-311 July 22, 1996
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• Aural Broadcast Auxiliary Service
• Cable Television Relay Service
• Earth Exploration Satellite Service

18,800 - 18,820 MHz

• NGSO/FSS downlinks paired with 28.6-29.1 GHz
  • FCC R&O FCC 96-311 July 22, 1996
  • Teledesic
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• Aural Broadcast Auxiliary Service
• Cable Television Relay Service

18,820 - 18,920 MHz

• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• Nongeostationary fixed satellite service (NGSO\FSS) earth stations
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Digital Electronic Message Service until January 1, 2001 [101.147(r) (9)]

18,920 - 19,160 MHz

• NGSO/FSS downlinks paired with 28.6-29.1 GHz
  • FCC R&O FCC 96-311 July 22, 1996
  • Teledesic
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• Aural Broadcast Auxiliary Service

19,160 - 19,260 MHz

• NGSO/FSS downlinks paired with 28.6-29.1 GHz
  • FCC R&O FCC 96-311 July 22, 1996
  • Teledesic
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Private Operational Fixed Service
• Nongeostationary fixed satellite service (NGSO\FSS) earth stations
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Digital Electronic Message Service until January 1, 2001 [101.147(r) (9)]

19,260 - 19,300 MHz

• NGSO/FSS downlinks paired with 28.6-29.1 GHz
  • FCC R&O FCC 96-311 July 22, 1996
  • Teledesic
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• TV Broadcast Auxiliary Service [74.602]
• Cable Television Relay Service

19,300 - 19,700 MHz

• NGSO/FSS downlink feeder links
  • FCC R&O FCC 96-311 July 22, 1996
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]
• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Point-to-Point Microwave Service and Private Operational Fixed Service [101.147(r)]
• TV Broadcast Auxiliary Service [74.602]
• Cable Television Relay Service

19,700 - 20,000 MHz

• Fixed satellite: space-to-Earth [25.202(a)(1)]
• Mobile-Satellite Service - GSO/FSS "conventional" downlink pairing with GSO/FSS uplinks at 29.5- 30.0 GHz
  • FCC R&O FCC 96-311 July 22, 1996
  • Upgraded to Primary Status July 13, 1994
  • News Release June 15, 1994
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]

20,000 - 20,200 MHz

• Mobile-Satellite Service - GSO/FSS "conventional" downlink pairing with GSO/FSS uplinks at 29.5- 30.0 GHz
  • FCC R&O FCC 96-311 July 22, 1996
  • Upgraded to Primary Status July 13, 1994
  • News Release June 15, 1994
• Government space-to-Earth fixed satellite transmissions, limited to military systems [2.106 footnotes US334 and G117]

---

Gap in list

---

21,200 - 23,600 MHz

• Point-to-Point Microwave Service and Private Operational Fixed Service [101.101 and 101.147(s)]
• Inter-satellite service, 22.55-23.00 GHz, 23.00-23.55 GHz, 24.45-24.65 GHz, 24.65-24.75 GHz [25.202(a)(5)]

---

Gap in list

---

24,000 - 24,050 MHz

• Amateur (1.2 centimeter band)
• Intentional radiators, 250 millivolts/meter at 3 meters max. [15.249]
• Industrial, Scientific and Medical [Part 18]

24,050 - 24,075 MHz

• Military radiolocation [2.106 footnote G59]
• Amateur (1.2 centimeter band)
• Radiolocation, only unmodulated carrier and ancillary FM digital emission [Part 90 Subpart F]
• Intentional radiators, 250 millivolts/meter at 3 meters max. [15.249]
• Industrial, Scientific and Medical [Part 18]

24,075 - 24,175 MHz

• Military radiolocation [2.106 footnote G59]
• Amateur (1.2 centimeter band)
• Radiolocation, only unmodulated carrier and ancillary FM digital emission (24,100 MHz used for alerting motorists of hazardous driving conditions and the presence of emergency vehicles) [Part 90 Subpart F]
• Intentional radiators, 250 millivolts/meter at 3 meters max. [15.249]
• Unlicensed field disturbance sensors [15.245]
• Industrial, Scientific and Medical [Part 18]

24,175 - 24,250 MHz

• Military radiolocation [2.106 footnote G59]
• Amateur (1.2 centimeter band)
• Radiolocation, only unmodulated carrier and ancillary FM digital emission [Part 90 Subpart F]
• Intentional radiators, 250 millivolts/meter at 3 meters max. [15.249]
• Industrial, Scientific and Medical [Part 18]

24,250 - 24,450 MHz

• Digital Electronic Message Service (DEMS) [101.147(r)(9)]
• Radionavigation [Part 87]

24,450 - 25,050 MHz

• Digital Electronic Message Service (DEMS) [101.147(r)(9)]
• Government Radionavigation Service
• Inter-satellite service, 22.55-23.00 GHz, 23.00-23.55 GHz, 24.45-24.65 GHz, 24.65-24.75 GHz [25.202(a)(5)]
• 24,750 to 25,250 MHz proposed for satellite broadcasting service (Earth-to-space) [FCC News Release, June 21, 2006]
• Radionavigation [Part 87]

25,050 - 25,250 MHz

• Digital Electronic Message Service (DEMS) [101.147(r)(9)]
• 24,750 to 25,250 MHz proposed for satellite broadcasting service (Earth-to-space) [FCC News Release, June 21, 2006]
• Radionavigation [Part 87]

---

Gap in list

---

27,500 - 28,350 MHz

• Fixed satellite: Earth-to-space [25.202(a)(1)]
• Point-to-Point Microwave Service
• Local Multipoint Distribution Service (LMDS), Block A [101.1005]
  • FCC NPRM, July 28, 1995
  • FCC R&O July 22, 1996
  • CellularVision "wireless cable" operating in New York City
  • FCC fact sheet
  • List of top spectrum winners at auctions

28,350 - 28,600 MHz

• Point-to-Point Microwave Service
• CellularVision "wireless cable" operating in New York City (to cease in 1999 operation in the 150 MHz designated for GSO/FSS operations in the 28.35-28.50 GHz band)
• Geostationary fixed satellite service (GSO/FSS) primary and Non-geostationary fixed satellite service (NGSO/FSS) secondary: Earth-to-space [25.202(a)(1)]
  • FCC NPRM, July 28, 1995
  • FCC R&O July 22, 1996

28,600 - 29,100 MHz

• Point-to-Point Microwave Service
• CellularVision "wireless cable" operating in New York City
• Non-geostationary fixed satellite service (NGSO/FSS) primary and geostationary fixed satellite service (GSO/FSS) secondary: Earth-to-space [25.202(a)(1)]
  • Teledesic
  • FCC NPRM, July 28, 1995
  • FCC R&O July 22, 1996

29,100 - 29,250 MHz

• Fixed satellite: NGSO MSS Earth-to-space [25.202(a)(1) and 25.257]
  • FCC R&O July 22, 1996
• Point-to-Point Microwave Service
• Local Multipoint Distribution Service (LMDS), Block A [101.1005]
  • FCC NPRM, July 28, 1995
  • FCC R&O July 22, 1996
  • CellularVision "wireless cable" operating in New York City
  • FCC fact sheet
  • List of top spectrum winners at auctions

29,250 - 29,500 MHz

• Point-to-Point Microwave Service
• CellularVision "wireless cable" operating in New York City
• Geostationary fixed satellite service (GSO/FSS) and mobile satellite service (MSS) feeder links co-primary Earth-to-space [25.202(a)(1) and 25.258]
  • FCC NPRM, July 28, 1995
  • FCC R&O July 22, 1996

29,500-30,000 MHz

• Geostationary fixed satellite service (GSO/FSS) primary and non-geostationary fixed satellite service (NGSO/FSS) secondary - Earth-to-space [25.202(a)(1)]
  • Upgraded to Primary Status | FCC Order July 13, 1994 | News Release June 15, 1994
  • FCC NPRM, July 28, 1995
  • FCC R&O July 22, 1996