N02C1

Session: May 2002 (session 2)
Wavelength: 6.0 cm

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Medicina (Monari at Thu May 30 13:29:24 CEST 2002) Success
No problem during the session.

Hartebeesthoek (Jonathan Quick at Thu May 30 14:08:53 CEST 2002) Success
No problems.

Shanghai (Xinyong Huang at Thu May 30 14:53:49 CEST 2002) Success
No problems.

Urumqi (Liu Xiang at Thu May 30 16:07:20 CEST 2002) Minor failures
Tsys is high because of cooling problem. FS9.5.11 was used ,it gave error message: Antenna time is wrong by more 3 seconds, ONSOURCE status: warning:antenna is slewing. In fact, we found the antenna was tracking on every source.

Jodrell_Bank (Alastair Gunn at Thu May 30 16:31:03 CEST 2002) Minor failures
Due to power supply problem all VCs were loosing lock for at least the first 45 minutes of this experiment. Data quality unknown. Problem apparently stabilised after about 09:37 UT. Power supply being investigated.

Cambridge (Alastair Gunn at Thu May 30 16:31:33 CEST 2002) Success
No known problems.

Medicina (Monari at Fri May 31 01:48:29 CEST 2002) Success
No problem during the session.

Torun (Kaz Borkowski at Fri May 31 07:21:02 CEST 2002) Minor failures
BBC7 unlock-ed all the time. No other known problems.

Effelsberg (A. Kraus at Fri May 31 12:43:44 CEST 2002) Minor failures
The phasecal failed during parts of the experiment.

Noto (P. Leto at Mon Jun 3 09:26:07 CEST 2002) Success
No known problems

Westerbork (Tony Foley at Mon Jun 3 09:51:23 CEST 2002) Minor failures
We had to use ALL BBCs to record this as the tied array cannot do 8MHz LSB and USB from the same BBC. Even so the highest frequency does not have both polarizations. We also got several errors about head positions (of order 4micron) which did not appear when only single-head recordings were made. Phasing up sometimes poor (weather unstabl).

Onsala (John Conway at Mon Jun 3 14:27:56 CEST 2002) Success
No known problems