[evlatests] Wideband X-band test results

[Michael Rupen]

>    We ran a short (50 minute) test of the basic 'wideband' mode at
> X-band:
>
>    But there is one annoying issue, which is no surprise:  The subbands
> are mislabeled -- they are both 'out of order', and have their frequency
> axis reversed.

As expected this was my error in forgetting to specify lower sideband
and a different subband order in the correlator configuration.  I ran
a quick test yesterday with the fix in place and that looks fine.

              Michael