[evlatests] Non-fringing antennas

[Bob Hayward]

Regarding the L-Band on ea24, no script should be capable of knocking it 
into the "coupler-fed" Solar mode as the high-level software doesn't yet 
know that there are new commands that can be sent to it.

I did use the device browser to give it all of the required "remote" 
commands to ensure that it was in Normal mode (this has always worked 
well in the lab). The monitored read-backs remained the same so I think 
it was in Normal mode all along.

Without being able to see the TP and SP values from the T304, I can't 
really tell if it is actually working (the antenna was observing at 
K-Band at the time).

Is it possible the receiver could be cross-polarized?

-Bob


Rick Perley wrote:
>     A quick 'fringe check' (before some major surveying observations 
> this weekend) reveal:
> 
>     ea12A is not fringing at any band.
>     ea20C is not fringing at any band. 
> 
>     ea24 is giving very weak fringes on all IFs at L-band.  (I'm 
> guessing that 'solar mode' is stuck in the 'on' position). 
> 
>     All else is working nicely.
> 
> 
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