[evlatests] Ka-Band summary

[Rick Perley]

A rather better picture than K-band:

All receivers were cold.

Cross-hand phases were quite good — far better than what we saw at K-band.  No idea why.

Polarizations are all with expected ranges (5 — 8% typically).

Temperature-induced gains ranged from 15 to 45%.  (I define this as (PDif,max - PDif,min)/PDif,min).  As at all other bands, application of the switched power removed these large variations to an accuracy of a couple of percent.

Some antennas don't know the temperature-induced gains!  Instead, there's a wide range of PDif values — up to factors of a few.  These do reflect the gain changes.

Rick

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