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Meeting 9th November

Chair: Ross

Present: Jamie, Bryn, Tiege, Patrick, Jesse, Liz, Arwin

Apologies: Jonny, Lucas, Lucia

Absent:

General Issues:

Handover Issues:

Ho: iread power levels are a bit low 28000 and 38000 of 48000 | changing attentuation did nothing to help (OHG109)
1. mot an issue: got a different frequency range for O'Higgins (uses Mark 4 rack), slightly smaller range, different power and temperatures. Not paying attention to read in this experiment. Needs more tests.
2. Tsys temperatures below 200 now seem okay, probably degradation of the system. Measured wrong due to calibration but maybe 10-20% the degradation.
Ho: problems with cryo temp (OHG109 and AUA031)
1. Just summer maybe. Also receiver pressure a bit dodgy, at 4 microns. Build of gases, got over 5 microns last night but was pumped down. Summer season so cryo problems likely to be more of an issue. Keep an eye out.
Ke: Ran fivept several times, the offsets are looking a bit dodgy (AUA031)
Yg: alarms going off for illegal state error and unable to read systemclock1. antenna=open antenna=operate fixed the issue (R1816)