amateur satellite造句

例句与造句

1. The Prototype Communications Satellite, or PCSat, was the 44th amateur satellite put in orbit.
2. USA-165 was later rediscovered by amateur satellite watcher Kevin Fetter.
3. Amateur radio and amateur satellite operators have two S-band allocations, 9 cm ( 3.4 GHz ).
4. AO-7 is the oldest amateur satellite still in use, and is one of the oldest operational communications satellites.
5. Being separate from the " Amateur Radio Service ", the " Amateur Satellite Service " receives its own frequency allocations.
6. It's difficult to find amateur satellite in a sentence. 用amateur satellite造句挺难的
7. A couple of months later, amateur satellite trackers watching Tiangong-1 began to speculate that China's space agency had lost control of the station.
8. The "'10-meter band "'is a portion of the shortwave radio spectrum internationally allocated to amateur radio and amateur satellite use on a primary basis.
9. A unique amateur satellite was SuitSat, an obsolete Russian space suit with a transmitter in it, which was launched in 2006 from the International Space Station.
10. Later reports, and amateur satellite observations, suggest that USA-40 was instead a second-generation Satellite Data System relay, similar to those likely launched on STS-38 and STS-53.
11. The Radio Regulations of the International Telecommunication Union allow amateur radio and amateur satellite operations in the frequency range 76.000 GHz to 81.000 GHz, which is known as the 4-millimeter band.
12. Critics challenged the effectiveness of the new disclosure policy, citing the accuracy with which amateur satellite trackers could use the orbital motions of the space station and computer programs to independently calculate the liftoff.
13. In February 2008 the front page of " The New York Times " hosted an article about an amateur satellite watcher Ted Molczan in relation to the story about falling American spy satellite USA 193.
14. Thousands of hams around the world, for instance, communicate via some two dozen satellites that have been designed, built and launched by volunteers from the Radio Amateur Satellite Corp ., based in Washington ( www . amsat . org ).
15. The long-term technical goal is to establish a system for tracking and communicating with amateur satellites in near earth orbit, but the system is kept open for a variety of sensors, i . e . earthquake detection, radiation or weather data.
16. As such, the " Amateur Radio Service " is not permitted to engage in satellite operations; however, a sister radio service, called the "'Amateur Satellite Service "', exists which allows satellite operations for the same purposes as the " Amateur Radio Service ".
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