3-centimeter band
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3-centimeter band
The 3 centimeter or 10 GHz band is a portion of the SHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use on a secondary basis. The amateur radio band is between 10.00 GHz and 10.50 GHz, and the amateur satellite band is between 10.45 GHz and 10.50 GHz. The allocations are the same in all three ITU regions.[1]
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Contents
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Frequencies of note
- 10.364 GHz Calling frequency
- 10.368 GHz Narrow band calling frequency
- 10.368.3 to 10.368.4 GHz Propagation beacons
Wideband FM Channels
Common Wideband FM frequencies used with gunnplexers. Operation is in full-duplex with a 30 or 90 MHz split:
- 10.220 GHz
- 10.250 GHz †
- 10.280 GHz †
- 10.310 GHz
- 10.340 GHz
- 10.370 GHz ‡
- 10.400 GHz
- 10.430 GHz
† Most commonly used pair for gunnplexers in North America.
‡ Should only be used if interference is not caused to narrow-band stations.
See also
Amateur radio frequency allocations
References
- ^ "FCC Online Table of Frequency Allocations" (PDF). 47 C.F.R.. Federal Communications Commission. June 2, 2011. http://transition.fcc.gov/oet/spectrum/table/fcctable.pdf. Retrieved August 4, 2011.
| International amateur radio frequency allocations | ||||
|---|---|---|---|---|
| Range | Band | ITU Region 1 | ITU Region 2 | ITU Region 3 |
| LF | 2200 m | 135.7 kHz - 137.8 kHz | ||
| MF | 160 m | 1.810 MHz - 1.850 MHz | 1.800 MHz - 2.000 MHz | 1.800 MHz - 2.000 MHz |
| HF | 80 / 75 m | 3.500 MHz - 3.800 MHz | 3.500 MHz - 4.000 MHz | 3.500 MHz - 3.900 MHz |
| 60 m1 | 5.250 MHz - 5.450 MHz | |||
| 40 m | 7.000 MHz - 7.200 MHz | 7.000 MHz - 7.300 MHz | 7.000 MHz - 7.200 MHz | |
| 30 m2 | 10.100 MHz - 10.150 MHz | |||
| 20 m | 14.000 MHz - 14.350 MHz | |||
| 17 m2 | 18.068 MHz - 18.168 MHz | |||
| 15 m | 21.000 MHz - 21.450 MHz | |||
| 12 m2 | 24.890 MHz - 24.990 MHz | |||
| 10 m | 28.000 MHz - 29.700 MHz | |||
| VHF | 6 m | 50.000 MHz - 52.000 MHz1 | 50.000 MHz - 54.000 MHz | 50.000 MHz - 54.000 MHz |
| 4 m1 | 70.000 MHz - 70.500 MHz | |||
| 2 m | 144.000 MHz - 146.000 MHz | 144.000 MHz - 148.000 MHz | 144.000 MHz - 148.000 MHz | |
| 1.25 m | 220.000 MHz - 225.000 MHz | |||
| UHF | 70 cm | 430.000 MHz - 440.000 MHz | 420.000 MHz - 450.000 MHz3 | 420.000 MHz - 450.000 MHz3 |
| 33 cm | 902.000 MHz - 928.000 MHz | |||
| 23 cm | 1.240 GHz - 1.300 GHz | |||
| 13 cm | 2.300 GHz - 2.450 GHz | |||
| SHF | 9 cm | 3.400 GHz - 3.475 GHz3 | 3.300 GHz - 3.500 GHz | 3.300 GHz - 3.500 GHz |
| 5 cm | 5.650 GHz - 5.850 GHz | 5.650 GHz - 5.925 GHz | 5.650 GHz - 5.850 GHz | |
| 3 cm | 10.000 GHz - 10.500 GHz | |||
| 1.2 cm | 24.000 GHz - 24.250 GHz | |||
| EHF | 6 mm | 47.000 GHz - 47.200 GHz | ||
| 4 mm3 | 75.500 GHz1 - 81.500 GHz | 76.000 GHz - 81.500 GHz | 76.000 GHz - 81.500 GHz | |
| 2.5 mm | 122.250 GHz - 123.000 GHz | |||
| 2 mm | 134.000 GHz - 141.000 GHz | |||
| 1 mm | 241.000 GHz - 250.000 GHz | |||
| THF | Sub-mm | Some administrations have authorized spectrum for amateur use in this region. | ||
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1 This is not mentioned in the ITU's Table of Frequency Allocations, but it is a de facto international amateur radio allocation. |
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| See also: Radio spectrum · Electromagnetic spectrum | ||||
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