Detail of Frequency Band
Band 49.44 – 50.2 GHz
Part of RSUP | RSUP-P/25 |
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Service Fixed-Satellite (space-to-Earth) | |
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Category of assignment | Primary |
Non-civil utilisation | Not used |
Civil utilisation | Primary |
Notes | 5.516B, 5.554A, 5.555B |
Additional information | 5.516B, 5.554A a 5.555B apply. |
Service Fixed-Satellite (Earth-to-space) | |
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Category of assignment | Primary |
Non-civil utilisation | Not used |
Civil utilisation | Primary |
Note | 5.552 |
Additional information | 5.552 applies. |
Non-civil Utilisation – Priority
Band reserved for non-civil utilisation. If civil utilisation is also stated with priority, the band is being used equally with civil utilisation on the basis of coordination.
Non-civil Utilisation – Subsidiarity
Non-civil stations can use the band with subsidiarity to civil ones (which use the band with priority), but must not interfere and do not have rihgt to protection against interference by civil utilisation.
Non-civil Utilisation – Not Used
Non-civil stations cannot use the band.
Civil Utilisation – Priority
Band reserved for civil utilisation. If non-civil utilisation is also stated with priority, the band is being used equally with non-civil utilisation on the basis of coordination.
Civil Utilisation – Subsidiarity
Civil stations can use the band with subsidiarity to non-civil ones (which use the band with priority), but must not interfere and do not have rihgt to protection against interference by non-civil utilisation.
Civil Utilisation – Not Used
Civil stations cannot use the band.
Note 5.516B
The following bands are identified for use by high-density applications (HDFSS) in the fixed-satellite service:
17.3 – 17.7 GHz (space-to-Earth) in Region 1,
18.3 – 19.3 GHz (space-to-Earth) in Region 2,
19.7 – 20.2 GHz (space-to-Earth) in all Regions,
39.5 – 40 GHz (space-to-Earth) in Region 1,
40 – 40.5 GHz (space-to-Earth) in all Regions,
40.5 – 42 GHz (space-to-Earth) in Region 2,
47.5 – 47.9 GHz (space-to-Earth) in Region 1,
48.2 – 48.54 GHz (space-to-Earth) in Region 1,
49.44 – 50.2 GHz (space-to-Earth) in Region 1,
And
27.5 – 27.82 GHz (Earth-to-space) in Region 1,
28.35 – 28.45 GHz (Earth-to-space) in Region 2,
28.45 – 28.94 GHz (Earth-to-space) in all Regions,
28.94 – 29.1 GHz (Earth-to-space) in Region 2 and 3,
29.25 – 29.46 GHz (Earth-to-space) in Region 2,
29.46 – 30 GHz (Earth-to-space) in all Regions,
48.2 – 50.2 GHz (Earth-to-space) in Region 2.
This identification does not preclude the use of these bands by other fixed-satellite service applications or by other services to which these bands are allocated on a co-primary basis and in RR does not establish priority among users of the bands. Administrations should take this into account when considering regulatory provisions in relation to these bands. See Resolution 143.
Note 5.554A
The use of the bands 47.5 – 47.9 GHz, 48.2 – 48.54 GHz and 49.44 – 50.2 GHz by the fixed-satellite service (space-to-Earth) is limited to geostationary satellites.
Note 5.555B
The power flux-density in the band 48.94 – 49.04 GHz produced by any geostationary space station in the fixed-satellite service (space-to-Earth) operating in the bands 48.2 – 48.54 GHz and 49.44 –50.2 GHz shall not exceed –151.8 dB(W/m2) in any 500 kHz band at the site of any radio astronomy station.
Note 5.552
The allocation of the spectrum for the fixed-satellite service in the bands 42.5 – 43.5 GHz and 47.2 – 50.2 GHz for Earth-to-space transmission is greater than that in the band 37.5 – 39.5 GHz for space-to-Earth transmission in order to accommodate feeder links to broadcasting satellites. Administrations are urged to take all practicable steps to reserve the band 47.2 – 49.2 GHz for feeder links for the broadcasting-satellite service operating in the band 40.5 – 42.5 GHz.