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| Tsukuba VLBI Center |
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In Primary Solutions, we analyze the delay times obtained by our correlation processings to figure out the baseline lengths and other values. GSI uses CALC/SOLVE, software for geodetic VLBI analysis, for this work.
In this process, the distance between antennas is accurately calculated, and the Earth's rotation and orientation on the observation day are figured out as well.
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Movements of VLBI Stations
surrounding Japan |
(click the map above to enlarge) |
In Global Solutions, we perform global analyses using the accumulated results of the Primary Solutions.
The Global Solutions give not only the baseline lengths, but also the position
of the Tsukuba 32-m antenna with respect to the geocenter, and how fast
and in which direction it moves in a year with an accuracy of few millimeters.
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