***************************************************
*DAT.SAS: SAS Code to read any of the .dat files.**
***************************************************;
 
	filename alt4 'alt_02_199404.dat';
  
	data a; infile alt4 lrecl=93 firstobs=16 missover;
  	input @1 code $6. @9 year @15 doy @20 hr  @24 mn @28 sc @32 alt
    	      @42 lat @53 lon @66 co @77 co_cmdl @86 o3;  run;
  
	data b; set a ; 
	  format lat lon 8.3 co co_cmdl o3 8.2; run;

	proc contents data = b; run;