[evlatests] Ant #17 X-Band

Ken Sowinski ksowinsk at nrao.edu
Tue Feb 27 13:44:52 EST 2007


On Thu, 22 Feb 2007, Charles Kutz wrote:

> Ken,
>
> We think we found the major contributor to the X-Band behavior in antenna 17. 
> We had inadvertently installed a feed de-boss adapter onto the receiver and 
> ended up with two de-bosses clamped together when it was clamped to the feed. 
> The boss and de-boss look a lot alike except at the mating surface.
>
> Take another look when you get a chance. It should be OK now.

Antenna 17 looks much better at X band now.  It needed a pointing
adjustment as a result of the move last week and after that it
looks about as good as the other antennas.  Crossed hand terms
are quite small now.

Ken




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