The KDD Yamaguchi shore station for the Marisat system
Abstract
The paper describes the system configuration and typical features of the Marisat shore station constructed in Yamaguchi, Japan in 1978. The features of the station that are an improvement over the state of the art are: (1) reduction of L-band sidelobes by the use of a frequency selective subreflector; (2) improvement of tracking accuracy by a factor of 2 over conventional step-tracking systems; (3) prevention of loss of acquisition in the earth-to-satellite AFC loop; and (4) highly reliable software and hardware operation of the network control processor for call processing and statistical data recording.
- Publication:
-
8th Communications Satellite Systems Conference
- Pub Date:
- 1980
- Bibcode:
- 1980coss.conf...41K
- Keywords:
-
- Ground Stations;
- Japanese Space Program;
- Marisat Satellites;
- Satellite Ground Support;
- Automatic Frequency Control;
- Cassegrain Antennas;
- Computer Techniques;
- Data Recording;
- Electronic Control;
- Frequency Assignment;
- Microwave Antennas;
- Position Errors;
- Satellite Tracking;
- Sidelobe Reduction;
- Signal Processing;
- Subreflectors;
- Communications and Radar