  Traditionally VLBI observations focus on a small patch of sky and image
typically a few 100 mas around a bright source, which is often used to
self-calibrate the data. High spectral and time resolution is needed to image a
larger area, in principle up to the primary beam of the individual telescopes.
The EVN MkIV data processor at JIVE is being upgraded to make such high
resolution data its standard product. From the archive of high resolution data
it will be possible to image many sources in each field of view around the
original targets.
