native_header_length='272
#profile=6,ascii
#run =8,ascii
#track =10-12,ascii
#load_num = 'command line
#aircraft_type =1-4,ascii
#track_file =63-107,ascii
#truth_file =108-152,ascii
#lib_path ="/proc/micom/trackdir"=10-12,i2,mult 0.01
#load_key ='standard
#sequence =14-16,ascii
#sample_type =17-19,ascii
#IRIG_time =41-52,ascii
#tfn =153,long
#hits =157,long
#nf =161,long
#range =165,long
#az =169,float
#el =173,float
#lib_file_name ="P"=6,ascii,=="R"=8,ascii,=="T"=10-12,ascii,=="."=17-19,ascii
#lib_file_offset ='standard
#crc ='standard
