24.1 Software

The following programs or software packages will be of interest to VLBA users, for planning observations and/or for post-processing VLBA data. NRAO software can be accessed through http://www.nrao.edu/astrores under the heading ``NRAO Software Resources.''

1. SCHED.    Contact: Craig Walker (Section 24.3) or consult Walker (2010).

2. AIPS.    Contact: AIPS Group, NRAO, P.O. Box O, 1003 Lopezville Road, Socorro, New Mexico 87801-0387; e-mail ``daip@nrao.edu'';
   AIPS home page: http://www.aoc.nrao.edu/aips/ .

3. CASA.    Contact: e-mail ``casareq@aoc.nrao.edu''; CASA home page: http://casa.nrao.edu/ .

4. Difmap.    Contact: M.C. Shepherd; e-mail ``mcs@astro.caltech.edu''; Difmap download site:
   ftp://ftp.astro.caltech.edu/pub/difmap/difmap.html .