[evlatests] P-band status update: 24JUL2014

Huib Intema (NRAO) hintema at nrao.edu
Fri Jul 25 11:34:04 EDT 2014


Hi Paul,

Yes, on EA12 both P-band and 4-band polarizations are reversed. This is 
determined from WIDAR data.

Thanks,

-- Huib

On 25-Jul-14 09:17, Paul Harden wrote:
>
>
> On 7/24/2014 4:49 PM, Huib Intema (NRAO) wrote:
>> - EA12 and EA16 have swapped polarizations
>> - EA16 LCP is (almost?) dead
>> - EA20 LCP has a large standing wave issue
>
> I am heading out to the VLA site shortly to address these issues.
>
>> Note that for EA12, one of the few antennas mounted with a permanent
> > 4-band feed, it was also found that the 4-band polarizations are 
> swapped.
>
> For clarity, on EA12, is it *both* 4- and P-bands with reversed 
> polarizations, or just 4-band?  EA12 has both the MJP feeds and VLITE.
>
> Thanks for updated information.
>
> Paul
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