This page provides a history of the versions of PSRFITS in reverse chronological order with a brief description of the major changes from the previous version.
| Version | Date | Author | Summary of main changes |
|---|---|---|---|
| 5.4 | 2014/05/12 | R Manchester | Added OBSDESCR table, NSTOT in SUBINT table and LEVSEPN in DIG_CNTS table |
| 5.3 | 2013/11/29 | W van Straten | Added SPECKURT table to record statistics of Spectral Kurtosis RFI excision. Increased dimensions of PROC_CMD and CAL_FILE strings in HISTORY table. |
| 5.2 | 2013/11/15 | R Manchester | NSUB, NCHAN in HISTORY table changed to long integers. Bandwidths and frequencies in COHDDISP, FEEDPAR and SUBINT tables changed to doubles. Some comment lines improved |
| 5.1 | 2013/04/29 | R Manchester | In SUBINT table, byte array used for 1-bit search-mode data as well as 2 to 8-bit data |
| 5.0 | 2012/04/03 | R Manchester | Data scale factor definition given in SUBINT table |
| 4.10 | 2011/12/21 | P Demorest | Parameters in COHDDISP table changed from integer to long integer |
| 4.9 | 2010/11/08 | R Manchester | In main header, changed EQUINOX from string to float |
| 4.8 | 2010/11/06 | P Demorest | In main header, added CAL_NPHS, the number of states in a pulsed calibration signal |
| 4.7 | 2010/09/22 | W van Straten | Added parameters for auxiliary RM and DM in HISTORY table |
| 4.6 | 2010/09/14 | W van Straten | Fixed comment on COORD_MD |
| 4.5 | 2010/09/03 | P Demorest | Added SIGNINT to SUBINT table |
| 4.4 | 2010/09/02 | W van Straten | Major modifications to COHDDISP table |
| 4.3 | 2010/05/20 | R Manchester | Added IBEAM (beam ID) and PNT_ID (ID for pointing centre) for multibeam systems |
| 4.2 | 2010/01/13 | R Manchester | Moved Bandpass table to end of template to avoid CFITSIO problems |
| 4.1 | 2009/08/13 | W van Straten | NFREE in FEEDPAR table changed to long integer |
| 4.0 | 2009/03/15 | W van Straten | Added CHAN_DM to main header, changed PSREPHEM table to plain text file (removing history facility), added DM and RM to SUBINT table header |
| 3.9 | 2008/12/19 | R Manchester | Added DM and RM to HISTORY table |
| 3.8 | 2008/11/28 | R Manchester | Changed SUBINT DATA array from 4 to 3 dimensions |
| 3.7 | 2008/07/30 | R Manchester | Added ZERO_OFF to SUBINT table |
| 3.6 | 2008/06/12 | W van Straten | Added CHISQ and NFREE to FEEDPAR table |
| 3.5 | 2008/06/06 | W van Straten | Additional flags in HISTORY table, Corrections to comments in FEEDPAR table |
| 3.4 | 2008/02/20 | W van Straten | Fixed units of DAT_FREQ in SUBINT table |
| 3.3 | 2008/02/17 | R Manchester | Digitiser counts table moved to end of template to fix CFITSIO problems |
| 3.2 | 2008/02/08 | R Manchester | In main header changed NCHAN to OBSNCHAN and in SUBINT table, added NBIN_PRD and PHS_OFFS for gated data, changed NCH_FILE to NCHAN, NCH_STRT to NCHOFFS and added CHAN_BW |
| 3.0 | 2008/02/07 | P Demorest | Draft development version |
| 2.17 | 2008/01/30 | P Demorest | EPOCHS and PERIOD columns in SUBINT table removed |
| 2.16 | 2007/11/19 | R Manchester | Added BE_DELAY to main header |
| 2.15 | 2007/11/18 | W van Straten | Period column added to SUBINT table to give folding period if no pulsar ephemeris table |
| 2.14 | 2007/11/17 | W van Straten | EPOCHS flag added to SUBINT table to indicate valid start-time data |
| 2.13 | 2007/07/30 | R Manchester | HDRVER added to main header to record template version number; NSUB added to HISTORY table |
| 2.12 | 2007/05/05 | W van Straten | Added COVAR to FEEDPAR table to record covariance matrix |
| 2.11 | 2007/05/01 | W van Straten | Changed format of COORD_MD and EQUINOX for greater VO compatibility (some earlier changes lost due to divergent versions) |
| 2.10 | 2007/03/07 | G Hobbs | Tempo2 predictor file stored by row |
| 2.9 | 2007/03/25 | G Hobbs | Digitiser counts table moved to end of template to fix CFITSIO problems |
| 2.8 | 2007/02/15 | R Manchester | DATE--OBS, RA, DEC etc added to main header for VO compatibility; NBITS added to SUBINT header for search-mode data |
| 2.7 | 2007/01/24 | W van Straten | Default NAXIS2 changed to * |
| 2.6 | 2006/11/07 | W van Straten | Fixed comment line in BANDPASS table |
| 2.5 | 2006/11/07 | W van Straten | Digitiser statistics table moved to end of template |
| 2.4 | 2006/09/08 | W van Straten | Added BE_DCC flag to HISTORY table to indicate correction of down-conversion conjugation |
| 2.3 | 2006/08/07 | R Manchester | Changed NLEV to NPAR in digitiser statistics table |
| 2.2 | 2006/03/25 | W van Straten | Added NRCVR to FLUX_CAL table header |
| 2.1 | 2006/03/23 | R Manchester | Added WAVE columns to PSREPHEM table, allowed two receiver channels in FLUX_CAL table |
| 1.31 | 2006/03/21 | R Manchester | Moved ATTEN values from main header to DIG_STAT table; generalised table entries to use # on TTYPE etc.; added T2PREDICTOR table for Tempo2 prediction file |
| 1.30 | 2006/02/24 | R Manchester | Added BE_PHASE flag |
| 1.29 | 2006/01/13 | W van Straten | Fixed TTYPE for IFR_MTHD in HISTORY table |
| 1.28 | 2006/12/17 | W van Straten | Added IFR_MTHD in HISTORY table |
| 1.27 | 2005/04/08 | W van Straten | Added TNULL for NTOA entry in PSREPHEM table |
| 1.26 | 2004/11/27 | R Manchester | Added units to comments, other cosmetic changes |
| 1.25 | 2004/11/19 | R Manchester | Fix TFIELDS in HISTORY table |
| 1.23 | 2004/11/12 | W van Straten | Feed parameters FD_HAND, FD_SANG and FD_XYPH added to main header, replacing YPOL_ANG and CAL_ANG |
| 1.21 | 2004/10/09 | W van Straten | NCH_FLUX replaced by NCHAN in FLUX_CAL table |
| 1.20 | 2004/08/06 | W van Straten | Modified HISTORY table entries |
| 1.19 | 2004/06/22 | W van Straten | Added YPOL_ANG and CAL_ANG to main header |
| 1.18 | 2004/02/09 | A Hotan | Added INDEXVAL to SUBINT table |
| 1.17 | 2004/02/04 | R Manchester | Generalised subintegation time axis to allow binary phase etc. |
| 1.16 | 2003/12/29 | R Manchester | Small fixes to SUBINT table |
| 1.15 | 2003/12/08 | W van Straten | Added observation epoch in FEEDPAR table |
| 1.14 | 2003/11/13 | R Manchester | Cosmetic changes |
| 1.12 | 2003/11/05 | W van Straten | Added CAL_POLN table |
| 1.11 | 2003/10/22 | W van Straten | Clean up comment lines, add TNULL lines to PSREPHEM table |
| 1.10 | 2003/09/24 | R Manchester | Standardise on NCHAN in tables |
| 1.9 | 2003/02/20 | R Manchester | Added TCYCLE to main header, small fixes in HISTORY table |
| 1.8 | 2003/02/17 | R Manchester | Some correction flags removed from HISTORY table |
| 1.7 | 2003/02/10 | R Manchester | Removed POINTPAR table, other minor parameter changes |
| 1.6 | 2003/02/07 | R Manchester | Added CAL observation mode |
| 1.5 | 2003/01/31 | R Manchester | Small changes to PSREPHEM table |
| 1.4 | 2003/01/21 | W_van_Straten | Typo fix in PSREPHEM table |
| 1.3 | 2003/01/19 | R Manchester | Small changes for HISTORY and DIG_STAT tables |
| 1.2 | 2002/12/12 | R Manchester | Fix TFORM entries |
| 1.1 | 2002/12/03 | R Manchester | Original definition of PSRFITS template |