[evlatests] Antenna 25, L-band ..

[Charles Kutz]

The L-Band is removed from antenna 25.
A 3/8 X 1 inch self tapping hex headed screw had fallen into the 
receiver window. Thus the huge vacuum leak and the observed associated 
phenomenon.

Rick Perley wrote:
>    Antenna 25 is misbehaving badly at L-band. 
> 
>    IFs A and C are low by a factor of 8.  IF B low by a factor of 50, 
> and IF D by a factor of 15. 
> 
>     Also, antenna 5, IF 'C' is still behaving badly, by being in two 
> different amplitude states.  It stays in each for longish periods of 
> time (hours, even).  But, 5B is now working properly. 
> 
> 
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