[evlatests] 12.5 MHz sensitivity, and autocorrelation spectra

[Rick Perley]

I checked some of my archival data, looking for evidence of 
'misbehavior' to explain the loss of sensitivity at 12.5 MHz BW in my 
x-band tests taken over the weekend. 

1) Spectral line mode data taken last week, at 50 and 25 MHz BW, in mode 
'1A' at C-band show no sign of anything unusual in the autocorrelation 
spectra.  I did not take observations at 12.5 MHz BW in those tests.
    2) Spectral line mode data taken a few months ago at 12.5 MHz BW 
(mode 'PA' and 'PB'), at L-band, also show no unusual features in the 
autocorrelation spectra. 

    I plan to utilize the next available empty 'dynamic' time to look 
for problems of this type at X-band, 12.5 MHz BW.