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Page 263
Subsequently , communication systems using a number of low - altitude satellites
were seriously considered , because the time required for a signal to reach a low
- altitude satellite and return to Earth is less than that using a synchronous ...
Subsequently , communication systems using a number of low - altitude satellites
were seriously considered , because the time required for a signal to reach a low
- altitude satellite and return to Earth is less than that using a synchronous ...
Page 265
systems operated in frequency allocations shared by ground microwave radio
relay systems . This circumFrequency stance means that satellite Earth stations
must be located allocations far from terrestrial microwave terminals , and hence
far ...
systems operated in frequency allocations shared by ground microwave radio
relay systems . This circumFrequency stance means that satellite Earth stations
must be located allocations far from terrestrial microwave terminals , and hence
far ...
Page 267
With 40 - foot ground antennas , ted them in the 70 - centimetre ( 430 - megahertz
) band . a single satellite provides two two ... OSCAR I weighed ten pounds ;
OSCAR V , 39 pounds . these satellites in orbit on June 16 , 1966 , and eight in
The ...
With 40 - foot ground antennas , ted them in the 70 - centimetre ( 430 - megahertz
) band . a single satellite provides two two ... OSCAR I weighed ten pounds ;
OSCAR V , 39 pounds . these satellites in orbit on June 16 , 1966 , and eight in
The ...
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