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    Super High Frequency

    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
    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
    3625 - 3650 MHz
    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
    4660 - 4685 MHz

    Gap in list
    4825 - 4835 MHz

    Gap in list
    4950 - 4990 MHz
    • Radio astronomy [2.106 footnote US257]

    Gap in list
    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]
    • 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]
    • MSS feeder links
    5250 - 5350 MHz
    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
    5650 - 5725 MHz
    5725 - 5785 MHz
    5785 - 5815 MHz
    5815 - 5825 MHz
    5825 - 5850 MHz
    5850 - 5875 MHz
    5875 - 5925 MHz
    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
    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
    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
    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
    13,750 - 14,000 MHz
    • Fixed-Satellite Service ("FSS") Earth-to-space ("uplink")
    • 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
    17,700 - 17,800 MHz
    • GSO/FSS "conventional" downlink pairing with GSO/FSS uplinks at 27.5- 30.0 GHz
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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

    Gap in list
    27,500 - 28,350 MHz
    28,350 - 28,600 MHz
    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)]
    29,100 - 29,250 MHz
    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]
    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)]

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    This page written by John Neuhaus, WA2JXE <john at jneuhaus.com>. Please send me your comments and suggestions.
    Last revision: Thursday, February 1, 2007 at 7:39 PM ET.