26jun22 xb polA dip during crosses



    On 26jun22 crosses were done on casA with the xband receiver. This was to check things after the receiver was reinstalled following the QRFH testing. While monitoring the data, a dip was seen in the total power trace of polA. It lasted for a little more than 5 minutes. It dropped about 4% and then returned  to the original value.

Setup and data taking

Plotting the total power

    The   plots show the measured total power (.ps) (.pdf) :


    The dip could be a gain change, a noise level change, or both.


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