International Earth Rotation Service - VLBI Technical Development Center News No.12

published by
Communications Research Laboratory, 4-2-1 Nukui-kita, Koganei, Tokyo 184-8795, Japan

CONTENTS

• Overview of the Twelfth TDC Meeting (T. Kondo)
• Technical Reports
  • Instructions to use K-4 VLBI system with FS9 software (Y. Koyama and W. E. Himwich)
  • K-4 VLBI data-acquisition system (H. Kiuchi)
  • Real-time VLBI system (H. Kiuchi)
  • Bandwidth synthesizing software KOMB (T. Kondo)
  • Data analysis software (Y. Takahashi)
  • The Kashima 34-m antenna status report (E. Kawai)
  • Preliminary experiments of improved optical-linked RF interferometer (J. Amagai et al.)
  • The comparison between VLBI and GPS data (Y. Takahashi et al.)
• News-News-News
  • Letter to the editor (H. Schuh)
• Announcement
  • International workshop on geodetic measurements by the colocation of space techniques on earth (GEMSTONE)
  
  

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  Technical Development Center (TDC) at the Communications Research Laboratory (CRL) is supposed to do
  1) the development of new observation techniques and new systems for advanced Earth's rotation observations by VLBI and other space techniques,
  2) the promotion of research in Earth rotation by advanced methods in VLBI,
  3) the distribution of new VLBI technology.
  The TDC meeting, attended by the ordinary members from inside the CRL and the special members from the outside, is held twice a year. The special members advise the committee, concerning the plan of technical developments. The TDC newsletter is published biannually by CRL to inform the IERS community its current activities.

  This news was edited by Tetsuro Kondo and Yasuhiro Koyama, Kashima Space Research Center, who are editorial staff members of TDC at the Communications Research Laboratory, Japan.

  Inquires on this issue should be addressed to:

  
          T. Kondo
          Kashima Space Research Center
          Communications Research Laboratory
          893-1 Hirai, Kashima, Ibaraki 314-0012, Japan
  
          TEL    : +81-299-84-7137
          FAX    : +81-299-84-7194
          e-mail : kondo(AT)nict.go.jp
     
  

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  TECHNICAL DEVELOPMENT CENTER NEWS No.11, November, 1997
  International Earth Rotation Service - VLBI Technical Development Center News
  published by
  Communications Research Laboratory, 4-2-1 Nukui-kita, Koganei, Tokyo 184-8795, Japan
  
  VLBI and related activities at the Communications Research Laboratory are available from the home page of the Radio Astronomy Applications Section of the Kashima Space Research Center on the World Wide Web (WWW). The URL to view the home page is : https://www2.nict.go.jp/wireless/spacelab/ksrc/index-j.html
  
  

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  Updated on June 2, 1998.
  
  

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