[evlatests] Oddities from yesterday's data

Rick Perley rperley at nrao.edu
Fri Oct 23 12:23:51 EDT 2026


I got some data from observations yesterday morning at C and X bands.  The 3-bit samplers were used.  A couple of curiousities:

ea07 had a very bad bandpass in spectral windows 1 through 16 (the lower half of the bandpass).  Very high ringing in both Amplitude and phase.  This was at both bands.

AT C-band, ea19 LCP was flagged by the system, but the data look perfectly fine to my eye.  RCP was not flagged.

At X-band, ea04 RCP was flagged by the system, but the data look fine to my eye.  LCP was not flagged.
                       ea19 RCP was flagged — and it really is dead.  LCP was fine.

Rick
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