function dms_to_ddeg, dms
; Converts lat/lon from HDF-EOS DDDMMMSSS.SS format to decimal degrees
;
; INPUT PARAMETERS:
; dms     - input in DDDMMMSSS.SS format
; OUTPUT:
;   returns floating point decimal degrees


  degs = fix(dms/1.0e6)
  mins = fix((dms - degs*1.0e6)/1.0e3)
  secs = dms - degs*1.0e6 - mins*1.0e3
  mins = mins + secs/60.
  fracdegs = mins/60.
  ddegs = degs + fracdegs
  return, ddegs
end