Space Communications and Navigation Program: Difference between revisions

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===Modulation===
SN uses [[Phasephase Shiftshift Keyingkeying]] and [[Phasephase Modulationmodulation]] of the [[Carrier wave|carrier frequencysignal]].<ref name="SNUG2">{{cite book| title =Space Network User's Guide (SNUG), 6.2 SSA Forward Services, and 6.2.3 Phase Modulation (PM) Signal Parameters| edition = Rev 9| last = NASA| first = Exploration and Space Communications Projects Division |author2=Goddard Space Flight Center | year = August 2007 | publisher = National Aeronautics and Space Administration| id =450-SNUG}}</ref>
 
===Encoding===