CL06L2

Session: Jun 2006 (session 2)

Wavelength: 18 cm

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Medicina (Andrea Orlati at Thu Jun 8 06:30:52 2006) Success :

Done.

Urumqi (Zhang Hua at Thu Jun 8 07:32:00 2006) Success :

Done

Effelsberg (dgraham at Thu Jun 8 11:25:03 2006) Success :

done, some minor changes since feb06..

Onsala (Michael Lindqvist at Fri Jun 9 06:23:04 2006) Success :

Done

Hartebeesthoek (Jonathan Quick at Fri Jun 9 14:09:27 2006) Minor failures : RFI

Strong RFI at 1643.03MHz. High VCs incorrectly patched, will repeat in gap in schedule.

Noto (P. Cassaro at Sat Jun 17 10:23:48 2006) Success :

Jodrell_Bank (Alastair Gunn at Tue Jun 20 09:03:23 2006) Success :

The Lovell Telescope was used (Jb1). Done

Torun (K.Borkowski at Fri Jul 7 13:18:56 2006) Failure : RFI

We have performed six trial runs for this experiment (the log of the last one has been uploaded to vlbeer). Unfortunately, none gave useful data. Basing on pipelined earlier session experiments we have diminished all our Tcals in the rxg file by the factor of 0.8 before producing antabfs files.

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Session: Jun 2006 (session 2)

Wavelengths: 30cm 18/21 5 6 cm

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Torun (Kaz Borkowski at Mon Jun 5 12:32:29 2006) Minor failures :

This note concerns the UHF experiments only. Shortly before the first experiment we could manage to install the Lange coupler to produce two circular polarizations instead of the linear polarization announced in the block schedule. Also, we failed to install the phase cal.

Jodrell_Bank (Alastair Gunn at Tue Jun 20 09:14:12 2006) Success : PCAL

The MkII telescope was used (Jb2). During this session the Mk2 phase cal. signal was found to be too high and could not be easily reduced in strength. I therefore switched off the phas cal. signal for the entire session (for Mk2 only).