ED048A

Session: Oct 2020 (session 3)

Wavelength: 5 cm

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Experiment Feedback

Irbene (Roberts at Sat Oct 17 18:10:32 2020) Minor failures:

Observation was paused from scan 0051 - 0108 due to scheduled maintenance works.

Medicina (G.Maccaferri at Sun Oct 18 06:36:51 2020) Success:

Some RFI

Yebes (Daniel Sastre at Sun Oct 18 18:38:10 2020) Success:

Not known problems

Sardinia (Gabriele Surcis at Mon Oct 19 07:24:38 2020) Success:

Tianma65 (BOXIA at Tue Oct 20 02:15:28 2020) Success:

Effelsberg (Uwe Bach at Wed Oct 21 10:39:48 2020) Minor failures:RECE

Started 1.5h late because of a failure at the receiver. Technicians came out to replace a power supply.

Onsala (Jun Yang at Thu Oct 22 08:23:48 2020) Minor failures:

In the first two hours, the LO was 5200 MHz instead of 5902 MHz. This is because the LO command sent to the signal generator module was failed to run. The problem was found before the observation started, while could not be solved remotely by our software egineer. Later, our support scientist went to the observatory and manually changed the LO to 5902 MHz. After the weekend, our egnineer revealed that the culprit was due to the network cable. So, fringes should be saved after UT ~12 h.

Torun (Paweł Wolak at Fri Oct 23 07:49:04 2020) Success:

Westerbork (Blaauw at Mon Nov 09 14:10:13 2020) Success:

Jodrell_Bank (Alastair Gunn at Mon Nov 23 15:39:07 2020) Success: LATE

Missed first 30m minutes due to operator error.