[evlatests] Antenna 8

[rperley at nrao.edu]

Antenna 8 was certainly 'special' during the Friday tests.  It failed to
provide fringes if IF 1 (AC) all all bands except X (see below).  It did
fringes in IF2 at L, S, C, and X (mostly, see below).  At the high
frequency bands, there were no fringes in any IF from this antenna at K,
Ka, and Q bands.  There is no receiver yet on ea08 at Ku band.

At X-band, the situation is more interesting:  Both IF pairs provided
fringes for most scans.  But for five of the 37 scans, no fringes were
obtain.

Can anybody explain this?