include file: nam1obs.cdk 1
      NAMELIST /NAM1OBS/C1OBSTP,C1OBSBG,LONEOBS
     S     ,R1OBSLA,R1OBSLO,R1OBSLV,R1OBSOER,R1OBSINO
     $     ,ICORDTYP,R1OBSPTOP,R1OBSPBTM
     S     ,ndate1obs, ntime1obs,LVLNEAR