arg  	prog  	prog# 	level 	lev# 	series        	ser# 	dsindex	bytes     
-----	------	------	------	-----	--------------	-----	-------	----------
 in_0	(null)	    -1	(null)	   -1	        (null)	   -1	     -1	         0
out_0	   mdi	    -1	  lev2	    1	fd_M_synop_01c	 2024	3241532	1.0848e+08