;FILE:
;       thead_tab_jake3.lst
;PURPOSE:
;       To extract the following information from the TRACE
;       image index structure and make a listing
;HISTORY:
;       Created 19-Feb-98 by M.Morrison 
;       Edited by CJW on 20 Feb & later
;       24-Feb-98 (MDM) - Added "f_dark"
;       Actually converted to jake4 on 1-may-98
;
Tag             Format          Title
--------------- --------------- ------------------
time_str        a8              Time
seqid           1x,z4.4         SqID
fn_inseq        i5              F#Sq
frmid           1x,z4.4         FrID
mfocus          i4              Foc
mwdg1           i4              WM1
mwdg2           i4              WM2
wave_nam        a6              WLgth
amp             a4              Amp
bin_ccd         i3              Bn
sum_ccdx        i3              Sm
naxis1          i5              X&Y
naxis2          i5              _Size
;will use f_dark to get only a zero or one a couple of spots here
;f_dark          i5              SRow
;full/partial read
f_dark          i3              Dk
img_min         i5              Imin
img_max         i5              Imax
img_dev         f6.1            Idev
img_avg         f7.1            Iavg
sht_nom         f7.3            Exp
s_saa           i4              SA
s_atmobs        i4              HL
xcen            i6              E/W
ycen            i6              N/S