[evlatests] DTS 20Hz from L305

[Ken Sowinski]

> Matt has made a version of the L305 firmware that uses a 20Hz modulation
> (in place of the 19.2Hz) in the timecode to the DTS.  It has been tested
> successfully on the bench, and we would like to install it into an
> antenna during this week's maintenance day.  The change was transparent
> to the Deformatter on the bench.
>
> Which antenna should receive the modified L305?  And are there any
> preparations that need to be made at the WIDAR end to support the change?

As usual, avoid ea12 do we don't get confused about delays.
Kerry and Mike should know whether any changes are needed at
the deformatter.  Widsr beyond the deformatter should not
care, it says here.