[evlatests] Date Rate Record results

[Ken Sowinski]

On Mon, 20 May 2013, Rick Perley wrote:

>  The data were extracted from the archive and read into AIPS via BDF2AIPS.
> The database size is about 700 GB -- it took 14 times longer to fill into AIPS
> than the observation duration  (i.e. about 8 hours for 35 minutes observing).
>  There are a total of 4pol * 16 subbands * 2048 channels/pol = 131072 total
> channels produced.  26 antennas were in the array.   With a factor of 32
> recirculation, the spectral resolution is 2000/32 = 62.5 kHz.
>
>  BDF2AIPS reported that 4.8% of the data were removed due to pure zeros.
> I think this is within the normal range.  (Gurus should chime in here, if
> I'm wrong).

As Michael pointed out this morning this is consistent with losing
one integration at each scan boundary when there are 20 second scans. 
The scans for this test were, in fact, 20 seconds long, so a loss rate
of 4.8% is "within the normal range".