PROCEEDINGS OF THE ITE ANNUAL CONVENTION
Online ISSN : 2424-2292
Print ISSN : 1343-1846
ISSN-L : 1343-1846
1998
Conference information

Name : 1998 ITE Annual Convention

Location : [in Japanese]

Date : July 29, 1998 - July 31, 1998

Dual beam antenna for receiving broadcasts from two satellites
Noboru ONO, Yasuhiro OKADA, Yoshikazu YOSHIDA
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 5-6

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Abstract
The digital satellite broadcasting in JAPAN was started by JCSAT-3 (128 degree of east longitude) in October, 1996. Another digital satellite broadcasting will be started in April, 1998 by JCSAT-4 (124 degree of east longitude). The angle of orbital separation between JCSAT-3 and JCSAT-4 is 4 degrees. We've developed the essential technologies of "Overlap-Dual-Feed" and "Feed-Cap with Protrusion" for Dual Beam Antenna. We've completed design of a small size (Diameter=40cm) Dual Beam Antenna to receive services by both JCSAT-3 and JCSAT-4 ("JCSAT-3/JCSAT-4-DBA").
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© 1998 The Institute of Image Information and Television Engineers
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