[evlatests] antenna status: update Aug 14 2006

Ken Sowinski ksowinsk at nrao.edu
Mon Aug 14 18:53:05 EDT 2006


On Wed, 9 Aug 2006, Ken Sowinski wrote:

> As Michael reported a few minutes ago there are a few problems.
> I can confirm what he wrote and escribe a few other problems.
>
> The ea24-l302-1 MIB is not responding; hence AC is dead.

Antenna 24 was not exercised today.

> The ea18-l302-1 fails to lock at L band (14368.1).  Neither
> retuning nor a reboot helped.  It looks at all the other
> bands used.

This is OK now.

> Antenna 18 has no power at C band.  The M301 broke or something
> has been disconnected.

this is still happening.

> Antenna 13 reports very low (~0.3 V) SD voltages, but the T_sys
> appears to be OK because the amplitudes are very large.

This is still happening.  I neglected to say that this was only
at K band.

> Antenna 16 reports SD voltage of 0.0 at Q band.  No fringes either.
> The F320 claims that the noise tubes are on and switchning.

This is still happening





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