[evlatests] S-band switched power ea15

[Ken Sowinski]

On Tue, 26 Feb 2019, Joshua Marvil wrote:

> Hi All,
>
> I noticed some unusual behavior of Pdiff for ea15 in some recent VLASS test 
> observations.

Do you have similar plots for P_sum?

> These are 8-bit at S-band, and this behavior is seen on the R polarization in 
> all subbands of both basebands (i.e., A0 and B0).
>
> I have attached a plot showing a representative subband.  This plot shows the 
> calculated voltage gain, sqrt(Pdiff/Tcal), and times are in UTC. These data 
> were taken on Feb 15 but I have also seen this in prior test observations.
>
> Perhaps something could be reset or adjusted to address this?
>
> Cheers,
>
> Josh
>
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>
>