In October 1990, the International Earth Rotation Service (IERS) designated the
Communications Research Laboratory (CRL) and Haystack Observatory (in the United
States) as Technical Development Centers (TDC).
The Technical Development Centers are concerned with
The TDC meeting is held twice a year, including the special members from outside
the CRL. The committee is advised, concerning the plan of
Technical Development by the special members . The Technical Development Center News
is published biannually
by the Communications Research Laboratory to inform on current activities to the IERS
community. From the second TDC news, we publish the TDC News only in English taking the
international distribution into account.
- I. the development of new observation techniques and new systems for advanced Earth's
rotation observations by VLBI and other space techniques,
- II. the promotion of research in Earth rotation by advanced methods in VLBI,
- III. the distribution of new VLBI technology.
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