[evlatests] 4P converters

[Jim Jackson]

Antenna 18 did have a 4P converter before, but it is not the same one (or
even the same design). The previous unit had such bad problems with strong
birdies that we chose to remove it from the antenna shortly after it was
installed,  Any setup or calibration information probably should be
discarded and redone now that the new one is installed.

Jim

 On Thu, 10 May 2007, Terry Cotter wrote:
>
>> Antennas 18, 24, and 26 now have 4P converters installed.
>
> Antenna 18 must have already been outfitted because the parameter
> DB had lots of 300 MHz information.
>
> Subreflector parameters were inserted for 24 and 26, but attenuator
> settings will have to be determined sometime when the system/antennas
> are free.  This ought to be reviewed for all P band antennas.
>
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