GK053

Session: Apr 2021 (out-of-session)

Wavelength: 7 mm

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Experiment Feedback

Tianma65 (Bo Xia at Thu Apr 29 07:37:52 2021) Success:

Onsala (Jun Yang at Thu Apr 29 07:40:37 2021) Success:

No known problems.

Onsala (Jun Yang at Thu Apr 29 08:18:13 2021) Success:

The Chopper-wheel calibration was used. So, the Tsys data were opacity-corrected.

KVN_Tamna (Do-Young Byun at Mon May 03 06:30:58 2021) Minor failures: HIGH

Rain between UT 15 - 16

KVN_Yonsei (Do-Young Byun at Mon May 03 06:31:59 2021) Minor failures: HIGH

Rain between UT 13:30 - 19:00

KVN_Ulsan (Do-Young Byun at Mon May 03 06:33:51 2021) Minor failures: HIGH

High receiver noise temperature

Effelsberg (Uwe at Wed May 05 07:46:16 2021) Success:

Mostly fine. The first 1.5h Ef observed with higher Tsys due to a wrongly set IF filter. This caused some out of band emission to fold into the observing band, likely reducing the sensitivity during this time.