[evlatests] Phase Connection

[Barry Clark]

>     The 14-frequency experiment run yesterday to check on the L-band 
> sensitivity relation vs. frequency permits a check of whether antenna 
> phase returns after tuning to another frequency. 
>     It does not, for any EVLA antenna, for any IF.  It does for all VLA 
> antennas. 

As we keep saying, resetting the Fluke synthesizer frequency randomizes
the phase between EVLA and VLA.  Are there two good L302s such that we
can look and see if the phase returns on that baseline?