E1D07 (A) [97.207]
Which amateur service HF bands have frequencies authorized for space stations?
A. Only the 40 m, 20 m, 17 m, 15 m, 12 m and 10 m bands
B. Only the 40 m, 20 m, 17 m, 15 m and 10 m bands
C. Only the 40 m, 30 m, 20 m, 15 m, 12 m and 10 m bands
D. All HF bands

E1D - Amateur satellites: definitions and purpose; license requirements for space stations; available frequencies and bands; telecommand and telemetry operations; restrictions, and special provisions; notification requirements

The amateur satellite service is a radio communications service using amateur radio stations on satellites. (E1D02) In the amateur satellite service, the satellites are called space stations and are remotely controlled by telecommands.

Only 40m, 20m, 17m, 15m, 12m and 10m are the amateur service HF bands have frequencies authorized to space stations. (E1D07) 2 meters is the only VHF amateur service band that has frequencies available for space stations. (E1D08) 70 cm and 13 cm are the UHF amateur service bands that have frequencies available for a space station. (E1D09)

One special provision that a space station must incorporate in order to comply with space station requirements is that the space station must be capable of terminating transmissions by telecommand when directed by the FCC. (E1D06) A telecommand station in the amateur satellite service is an amateur station that transmits communications to initiate, modify or terminate functions of a space station. (E1D03)

An amateur station eligible to be a telecommand station is any amateur station so designated by the space station licensee, subject to the privileges of the class of operator license held by the control operator. (E1D10) Licensees of any class with appropriate operator privileges are authorized to be the control operator of a space station. (E1D05)

Another important concept in the amateur satellite service is the Earth station. An Earth station in the amateur satellite service is an amateur station within 50 km of the Earth's surface intended for communications with amateur stations by means of objects in space. (E1D04) Any amateur station, subject to the privileges of the class of operator license held by the control operator is eligible to operate as an Earth station. (E1D11)

To obtain information about the operation of the space station itself, many space stations send telemetry. Telemetry is defined as one-way transmission of measurements at a distance from the measuring instrument. (E1D01)

 

 

 

Thanks to  KB6NU DAN ROMANCHIK

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