U.S. Non-Federal-Government Allocations
SPACE RESEARCH (space-to-Earth)
SpectrumWiki
Radio spectrum allocations
Look up a frequency or a range.
Examples: 88.5 MHz, 1350–1430 MHz, 2.4 GHz
8.45 GHz (8,450,000,000 Hz)
U.S. Federal Government Allocations
FIXED
SPACE RESEARCH (space-to-Earth)
ITU Region 1 Allocations
FIXED
MOBILE except aeronautical mobile
ITU Region 2 Allocations
FIXED
MOBILE except aeronautical mobile
ITU Region 3 Allocations
FIXED
MOBILE except aeronautical mobile
Footnotes
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5.465 In the space research service, the use of the band 8 400-8 450 MHz is limited to deep space.
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5.466 Different category of service: in Singapore and Sri Lanka, the allocation of the band 8 400-8 500 MHz to the space research service is on a secondary basis (see No. 5.32). (WRC 12)
Wiki entries
Possible new FSS and maritime mobile-satellite allocations, 2015 World Radiocommunication Conference (WRC-15) Agenda Item 1.9
Proposed Use
8400–8500 MHz WRC-15 Agenda Item 1.9.1
1.9 to consider, in accordance with Resolution COM6/15 (WRC-12):
1.9.1 possible new allocations to the fixed-satellite service in the frequency bands 7 150-7 250 MHz (space-to-Earth) and 8 400-8 500 MHz (Earth-to-space), subject to appropriate sharing conditions;
1.9.2 the possibility of allocating the bands 7 375-7 750 MHz and 8 025-8 400 MHz to the maritime-mobile satellite service and additional regulatory measures, depending on the results of appropriate studies
1.9.1 possible new allocations to the fixed-satellite service in the frequency bands 7 150-7 250 MHz (space-to-Earth) and 8 400-8 500 MHz (Earth-to-space), subject to appropriate sharing conditions;
1.9.2 the possibility of allocating the bands 7 375-7 750 MHz and 8 025-8 400 MHz to the maritime-mobile satellite service and additional regulatory measures, depending on the results of appropriate studies
WRC-27 consideration of EESS (passive) allocations
Proposed Use
8400–8500 MHz WRC-27 consideration of EESS (passive) allocations
WRC-27 agenda item 1.19:
to consider possible primary allocations in all Regions to the Earth exploration-satellite service (passive) in the frequency bands 4 200-4 400 MHz and 8 400-8 500 MHz, in accordance with Resolution 674 (WRC-23)
to consider possible primary allocations in all Regions to the Earth exploration-satellite service (passive) in the frequency bands 4 200-4 400 MHz and 8 400-8 500 MHz, in accordance with Resolution 674 (WRC-23)
NASA Deep Space Network (DSN)
Current Use
8450–8500 MHz DSN X-Band Downlink (from spacecraft less than 2 million km from Earth)
According to NASA:
"The NASA Deep Space Network - or DSN - is an international network of antennas that supports interplanetary spacecraft missions and radio and radar astronomy observations for the exploration of the solar system and the universe. The network also supports selected Earth-orbiting missions.
"The DSN currently consists of three deep-space communications facilities placed approximately 120 degrees apart around the world: at Goldstone, in California's Mojave Desert; near Madrid, Spain; and near Canberra, Australia. This strategic placement permits constant observation of spacecraft as the Earth rotates, and helps to make the DSN the largest and most sensitive scientific telecommunications system in the world."
"The NASA Deep Space Network - or DSN - is an international network of antennas that supports interplanetary spacecraft missions and radio and radar astronomy observations for the exploration of the solar system and the universe. The network also supports selected Earth-orbiting missions.
"The DSN currently consists of three deep-space communications facilities placed approximately 120 degrees apart around the world: at Goldstone, in California's Mojave Desert; near Madrid, Spain; and near Canberra, Australia. This strategic placement permits constant observation of spacecraft as the Earth rotates, and helps to make the DSN the largest and most sensitive scientific telecommunications system in the world."