[evlatests] Oct 20 Cband: Phase transfer

Steven T. Myers smyers at nrao.edu
Thu Oct 22 11:17:55 EDT 2009


On Tue, 20 Oct 2009, Ed Fomalont wrote:

Dataset C1310plus19_001.55123.876379050926

I also see a gain drop (and noise increase) on ea04 starting around 23:20.

> Major problem:
>
>   Telescope 8, pol L has a sinusoidal bandpass response with a period of
>   63+/-2 MHz.  It is like the true bandpass is rotated in phase with a
>   revolution every 63 MHz.
>
>   Other telescopes have reasonable sensitivity.




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