Small Satellite Home Page - Established 1995

 

Frequencies for Little LEO communication systems

Frequencies for little LEO'S

Space to Earth

Frequency range (MHz) Shared? Comments
137-137.025 Primary Space-Earth
137.025-137.175 Secondary Space-Earth
137.175-137.825 Primary Space-Earth
137.825-138 Secondary Space-Earth
387-390 secondary Space-Earth
400.15-401 Primary (RAS protection) Space-Earth

Earth to Space

Frequency range (MHz) Shared? Comments
148-149.9 Primary bandwidth limitations
149.9-150.05 Primary from Jan 97
312-315 Secondary  
399.9-400.05 Primary from Jan 97
Not to constrain the radio navigation service
406-406.1 Primary limited to low power satellite emergency position-indicating radio beacons
454-455 Primary (WRC-97)
Region-2
US, Canada, Mexico and Panama
Region-1&3
Indonesia, Cape Verde, Nepal, Nigeria and Papua New Guinea
No fixed service protection
No interference to fixed service
Not to constrain fixed and mobile services
455-456 Primary (WRC-95) Region-2 only
No fixed service protection
No interference to fixed service
Not to constrain fixed and mobile services
459-460 Primary Region-2 only
No fixed service protection
No interference to fixed service
Not to constrain fixed and mobile services
 

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