[evlatests] Strange Tcals and Switched Power behavior
Bruce Rowen
browen at nrao.edu
Mon Nov 1 11:51:36 EDT 2010
On Nov 1, 2010, at 9:24 AM, Ken Sowinski wrote:
>
> Evidence is that the noise tubes are not turned off because
> the are detected in the downconverters. (I just checked this.)
> That means that the antenna timing must be off by exactly
> 10 msec, or something is wrong with timing in all four station
> boards connected to each of these antennas. Rob, Bruce???
Noise diode model transitions from on->off for every station board
show that this occurs at
timecode hh:mm:ss.x78076 (+/- a microsecond or so)
where hh:mm:ss are arbitrary timecode hours, minutes, and seconds and
'x' is any given 0.1 second ( i.e. x={0..9} )
-Bruce
>
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