[evlatests] RFI Book online

[Ken Sowinski]

On Wed, 23 Mar 2011, Rick Perley wrote:

>    Remember that delay tracking will greatly decrease the amplitudes of
> these signals in any image -- especially at high frequencies and long
> baselines.   The amount of reduction can be anywhere from -10 to -60 dB,
> depending on circumstances.

Some minor additions.  the observations were made with the phase
center placed near the north pole.  Most of the antennas were also
pointed at the north pole, but a few had stowed because of wind.
The antennas in use were chosen because they had S band receivers.