EP013

PI: Porcas
Title: Gravitational lens

Session: October 1995 (session 3)
Frequency: 92 cm
Mode: C
Obs time (UT): 293 19:30(20/10)-19:30(21/10)
Stations: WJNR
Processor: Bonn
EU Mk3 Tapes/St.: 2

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Experiment Feedback

Jodrell (Mike Garrett at Wed Feb 7 07:44:42 EST 1996) Minor failures
293 21:32-21:35 Scan missed due to control problems. 294 00:28-00:31 Telescope not on source in time. 294 00:50-01:00 Not on source due to control problems. 294 06:57-07:03 Not on source - telescope unwinding Interference in VC#14 from 293 21:00-22:00, and around 294 09:20.

Noto (Corrado Trigilio at Wed Feb 7 07:46:20 EST 1996) Minor failures
6 scans lost for a fault in the azimuth motor of the antenna, data lost form 2:50 to 4:00.

Shanghai (Huang Xinyong at Wed Feb 7 07:46:57 EST 1996) Failure
No observations.

Simeiz (Alexandre Volvatch at Wed Feb 7 07:48:40 EST 1996) Minor failures
We are late on 22 sources (04:10-05:13, 11:18-13:12\) due to short interval adopted in programm for RT movement from old source to new one. Please, take into account that in our case the North is the cable wrap direction.

Urumqi (Lee Suqin at Wed Feb 7 07:49:55 EST 1996) Minor failures
Day 293 - 19:40-21:30, MkIII unnormal. Day 294 - 02:10-02:42, 15:05-15:15, 15:34-15:56, 18:56-19:11 the antenna moved into limited position, these scans were lost.

Westerbork (Tony Foley at Wed Feb 7 07:50:30 EST 1996) Success
No problems.

Calibration (Fredrik T Rantakyro at Fri Jul 5 10:01:32 EDT 1996) Minor failures
An ANCAL formatted file for the experiment has been placed on VLBEER in the OCT95 directory with the name ep013.ancal NOTE: Shanghai and Urumqi DPFU and POLY values are NOT given.