Basic types of TV observations system are AVCS (Advanced Vidicon Camera System), and APT (Automatic Picture Transmission) system; in former, television pictures are stored on tape and transmitted on command to specially-equipped ground stations, while in APT system, each picture is transmitted immediately after it has been taken, and is receivable by any ground station within range at that time; reference is made to NASA report entitled "Constructing Inexpensive Automatic Picture Transmission Ground Stations SP-5079; contents of report are summarized. (10399)
Weather satellite ground stations -- How to make your own
Spaceflight
Spaceflight ; 10 , n 11 ; p 380-383
1968
4 pages
Aufsatz (Zeitschrift)
Englisch
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