Session: Feb 2003 (session 1)
Wavelength: 3.6 cm
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Yebes (Paco Colomer at Tue Feb 11 16:30:49 2003) Minor failures : SLEW
Well, not so minor.
MANY problems caused because FS computer does not control the telescope movement at Yebes-14m. Software much modified to accomodate
new requirements. However the worse problems show up in phase-referencing observations because of unavoidable overhead on changing source which causes loss of few seconds (up to 20) at start
of each and every scan. Moreover, telescope computer clock error
caused loss of most scans between 041:23:45:00 and 042:08:50:00 UT.
Medicina (G.Maccaferri at Tue Feb 11 16:48:34 2003) Success :
Onsala (Michael Lindqvist at Tue Feb 11 18:24:53 2003) Minor failures :
Problem with tracking during some scans.
Noto (Pietro Cassaro at Thu Feb 13 10:49:16 2003) Minor failures : TSYS
More than minor failure (I think it is better to give a chance
intermediate between 'minor failure' and 'failure').
For more than half observation has been set the wrong IF so
the observation has been made in the S band of the S/X receiver,
due to a wrong set in the schedule.
The last tape (from 10:00 UT to the end) is the only that have data in X band.