[evlatests] Widar delay setting

[Ken Sowinski]

On Fri, 5 Mar 2010, Ken Sowinski wrote:

> I was able to get enough time with the system late yesterday and
> this morning to be able to improve delay setting.  Now delays for
> all four IFs should be correct to a couple of nanoseconds.  Crossed
> hand delays are correct at the same level for AC, but have not been
> adjusted for BD.  Report of any observations of the BD crossed hand
> delay after eight AM today is appreciated.
>
> Delays were set at X band.  Except for ea22, the newest antenna,
> delays at other bands should be close to zero.  Again any reports
> of outliers are welcome.

Both these have been addressed.  Crossed hand delays have now been
set for BD as well, and checked at a couple of bands.  A systematic
check at all bands might be useful.  I expect only modest delay
errors in the parallel hands now for all antennas at all bands.