[evlatests] WIDAR0 results -- antenna 23

Rob Long rlong at nrao.edu
Wed Jun 3 11:02:30 EDT 2009



Ken Sowinski wrote:
> On Wed, 3 Jun 2009, Rob Long wrote:
> 
>> The other thing we should check is optical levels into the L304 in the
>> antenna.  If the signal is high, we have seen oscillations in the LO due
>> to overdriving the receiver diode.
> 
> Maybe not, because this antenna looks OK with the old correlator.
> I lean toward the deformatter on the station board or something
> in the wideband part of the station board signal path.
> 
OK, this makes sense.  I didn't realize the old correlator wasn't seeing 
this too.

Rob




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