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- Q21501397 subject Q7464090.
- Q21501397 abstract "A pass, in spaceflight and satellite communications, is the period in which a satellite or other spacecraft is visible above the local horizon, and therefore available for radio communication with a particular ground station or satellite receiver (or, in some cases, for visual observation). The beginning of a pass is termed acquisition of signal; the end of a pass is termed loss of signal. The point at which the spacecraft comes closest to the ground observer is the time of closest approach.The timing and duration of passes depends on the characteristics of the orbit a satellite occupies, as well as the topography and any occulting objects at the ground location. An observer directly on the ground track of the satellite will experience the greatest pass duration. Path loss and Doppler shifting are greatest toward the start and end of a pass.".
- Q21501397 thumbnail SpaceStation_STS132_Tampa.JPG?width=300.
- Q21501397 wikiPageWikiLink Q1277959.
- Q21501397 wikiPageWikiLink Q134435.
- Q21501397 wikiPageWikiLink Q1349167.
- Q21501397 wikiPageWikiLink Q1478845.
- Q21501397 wikiPageWikiLink Q149918.
- Q21501397 wikiPageWikiLink Q164160.
- Q21501397 wikiPageWikiLink Q179435.
- Q21501397 wikiPageWikiLink Q1798167.
- Q21501397 wikiPageWikiLink Q202746.
- Q21501397 wikiPageWikiLink Q218124.
- Q21501397 wikiPageWikiLink Q21994628.
- Q21501397 wikiPageWikiLink Q253843.
- Q21501397 wikiPageWikiLink Q26540.
- Q21501397 wikiPageWikiLink Q40218.
- Q21501397 wikiPageWikiLink Q4130.
- Q21501397 wikiPageWikiLink Q472251.
- Q21501397 wikiPageWikiLink Q506254.
- Q21501397 wikiPageWikiLink Q5916.
- Q21501397 wikiPageWikiLink Q625696.
- Q21501397 wikiPageWikiLink Q663611.
- Q21501397 wikiPageWikiLink Q7464090.
- Q21501397 wikiPageWikiLink Q76436.
- Q21501397 wikiPageWikiLink Q967145.
- Q21501397 comment "A pass, in spaceflight and satellite communications, is the period in which a satellite or other spacecraft is visible above the local horizon, and therefore available for radio communication with a particular ground station or satellite receiver (or, in some cases, for visual observation). The beginning of a pass is termed acquisition of signal; the end of a pass is termed loss of signal.".
- Q21501397 label "Pass (spaceflight)".
- Q21501397 depiction SpaceStation_STS132_Tampa.JPG.