What additional pieces of data would be useful to look into subtle problems, after the data have been taken. Do the inexperienced observers get sufficient good advice from DA's and local staff. Pulsar bin number . Observed frequency . UT time .
Astronomical coordinates mean only is stored.
Apparent is lost and although recomputed, not with the accuracy of the online ephemeris. This also means that uvw and parallactic angle are in error if recomputed. . Parallalactic angle . Antenna locations . Spectrum flagged good or bad by on-line system.