[evlatests] ea13 status: revised
Ken Sowinski
ksowinsk at nrao.edu
Mon Aug 11 18:51:34 EDT 2014
On Mon, 11 Aug 2014, Wes Grammer wrote:
> Ben and Dan had a look under the feed radome today on the K-band RX in ea13,
> and found a lot of water collected at the bottom, right against the window.
> They've drained it out, and are drying the feed as best they can. We need a
> test to confirm it, but it's highly likely we've found the culprit.
>
> It's a bit surprising there was so much water in it, as the receiver was
> installed on July 29, the day before it went out on the master pad. Ben is
> looking into whether the radome material and/or retaining ring need to be
> replaced.
Yes, it worked well enough to see that the polarizations were swapped.
Cables were swapped and it now looks fine.
thanks,
Ken
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