[evlatests] ea20 switched power wrong at X-band

[Rick Perley]

    Can somebody remind me why there is a 'Tcal Scaled' column?  What 
use is this?

Barry G. Clark wrote:
> The problem is that the parser looks for a column heading of
> 'Tcal...'  which is satisfied by 'Tcal' and 'Tcal Scaled'.
> Yes, Tcals are screwed up when this column appears.  I will
> fix this, but not until I get back next week.  (The software
> now knows the difference, but there are still some old
> measurements in the system that nobody has noticed yet and
> asked me to fix.)
>
>   
>> Rick, I checked the data files on \\filehost, and the Tcal column
>> appears to be in the correct range, so I don't understand how the
>> Tcals
>> got scaled. However, I did notice in the column heading of the file,
>> there is a space between '1st' and 'LO'. If the text file was imported
>> using software, and is using spaces as delimiters, perhaps the parser
>> got confused and associated the next column over as the Tcals. This
>> column contains Tcals scaled by a factor of 10, which matches what you
>> are seeing.
>>
>> I noticed a number of the other Tcal files appear to use commas as
>> delimters - not sure why X-band s/n 004 is different.
>>
>> John, thanks for checking this out, and running down the cause.
>>
>> Rick Perley wrote:
>>     
>>>     John McClendon has found (from stress test results) an oddity
>>> with
>>> ea20 at X-band.
>>>
>>>     It turns out all is explained by a (very) bad Tcal value.  The
>>> database lists this antenna has having a Tcal of about 22K  (!!!).
>>> In
>>> fact, it should be near 2.2K.  A slipped digit, likely.
>>>
>>>     Can somebody correct the database for this?
>>>
>>>
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>
>