[evlatests] Science/Engineering Test Meeting Thursday

Keith Morris kmorris at nrao.edu
Mon Dec 10 12:25:11 EST 2012


Leon and I would like to discuss some test results and proposed hardware
modifications regarding the L350/L356 and redundant Master LO rack
switching.



>     Reminder:  We'll have the monthly 'Science/Engineering Test Meeting'
> this Thursday, 13 December at 10AM in Rm 317.
>     Please let me know if you have interesting test results to show and
> discuss.
>     There are currently two topics I know of:
>
>     1) Observing at S-band.  I'll show results of how we're managing in
> that hostile environment.  We'll discuss whether outfitting the array
> with DSR filters is worthwhile.
>     2) Results of the latest three vs four compressor test.   Can we
> effectively run the cryogenic receivers with three compressors?
>
>     Depending on time and resolution of other issues, Keith and I may
> have something new to say on the 'PDif Compression' issue.
>
>
>     Rick
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