[evlatests] Q band

Ken Sowinski ksowinsk at nrao.edu
Thu Jul 19 19:25:57 EDT 2007


On Tue, 17 Jul 2007, Ken Sowinski wrote:

> Antennas 3 and 22 are still flagged at Q band because the F12
> is not reporting the right lock bits.  Attenuators for 17 BD
> were adjusted a little.
>
> Antenna 26 is still very weak at Q band.  A raster should be
> done to see if we are peaked on a sidelobe.  Focus and delays
> look to be OK, so if it is not pointing it has to be a very
> bad receiver.

Pointing offsets were found for antenna 26 today and it
works quite well now.

Antennas 3 and 22 are still being flagged because of bad
bits from the F12s.  Ignoreing the flags antenna 3 works,
but antenna 22 is very poor, probably because of bad
pointing.  That will be looked at another day.




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