[evlatests] Ka-Band tuning troubles ...

[Jim Jackson]

Yes - These two antennas were written up as having L302-1's not 
locked during some observation last night. Can you tell us exactly 
what sky frequency you were observing? We may need to check 
calibration on these two synthesizers.

Cheers,
Jim


At 09:30 AM 12/10/2009, Rick Perley wrote:
>     I ran a 4.5 hour Ka band file last night, using the (standard?)
>frequencies of 33.485 GHz in IF 1, and 33.435 GHz for IF 2.
>
>     Antenna 15 gave good data in IF 2 throughout, but no coherent
>fringes in IF1.
>     Antenna 3 gave good data in IF 2 throughout, but no coherent fringes
>in IF1 for the first 3 hours, at which point it suddenly switched to
>good fringes, and remained that way until the end.
>
>     Explanations?
>
>
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