# Primary

    SIMPLE   (L)  =                      T / file does conform to FITS standard
    BITPIX   (I4) =                     32 / number of bits per data pixel
    NAXIS    (I4) =                      0 / number of data axes
    EXTEND   (L)  =                      T / FITS dataset may contain extensions
    TELESCOP (C)  = IRAM 30m               / Telescope Name
    ORIGIN   (C)  = IRAM                   / Organisation or Institution
    CREATOR  (C)  = Python IRAM MBFITS Wri / Software
    IMBFTSVE (R8) =   2.13000000000000     / IMBFITS version
    INSTRUME (C)  = fts                    / Backend
    OBJECT   (C)  = XXXXXXXX               / Source Name
    LONGOBJ  (R8) =   00.0000000000000     / [deg] Source longitude in basis frame
    LATOBJ   (R8) =   00.0000000000000     / [deg] Source latitude in basis frame
    TIMESYS  (C)  = UTC                    / time system (TT,TAI,UTC ...)
    MJD-OBS  (R8) =   57841.4547916667     / MJD at observation start
    DATE-OBS (C)  = 2017-03-29T10:54:54.00 /
    LST      (R8) =   83367.1998821900     / [s] Local apparent sidereal time (scan start)
    PROJID   (C)  = 102-16                 / project ID
    QUEUE    (C)  = 102-16                 / Observing Queue
    EXPTIME  (R8) =   15.0000000000000     / Total netto integration time [s]
    N_OBS    (I4) =                      3 / No of subscans defined
    N_OBSP   (I4) =                      3 / No of subscans found
    OBSTYPE  (C)  = calibrate              /
    NUSEFEED (I4) =                      8 /
    TOTANT   (I4) =                     23 / Total no. of LINES in antenna tables
    TOTSUBR  (I4) =                     59 / Total no. of LINES in secondary tables
    TOTBACK  (I4) =                     33 / Total no. of LINES in backenddata tables