Table N2 



Format of the Header Record 



Character 

 Position 



1-2 

 3-5 

 6-9 



10-12 

 13-16 

 17-19 



20 



21 

 22-23 

 24-27 

 28-49 

 50-80 



Entry Description 



00 



Lowest profile number In the data file 

 Lowest survey number in the data file 

 Highest profile number In the data file 

 Highest survey number 1n the data file 

 Maximum number of coordinate pairs required to 



define any one survey 

 Number of decimal places for distances 

 Number of decimal places for elevation 

 Units of measurement 

 Four character datum label 

 Range of dates and times covered by the data 

 Description of the data 



Entry Format 



2X 

 13 

 14 

 13 



14 



13 

 II 

 II 

 A2 



M 

 2(312,15) 



31A1 



Sample Header Record 

 0000100020070117 2501FT MSL631231 1200730325 0800ATLANTIC CITY, NJ 



Table N3 

 Survey Data Format 



10 1 



Character 

 Position 



1-2 

 3-5 

 6-9 

 10 



11-16 

 17-21 

 22-24 

 25-29 

 30-40 

 41-80 



1-9 



10 



11-80 



Entry Description 



First card In each record 



Survey code 



Profile line number 



Survey identification number 



Card number (always 1 for first card) 



Date of survey (YRMOOA) 



Time of survey 



Number of coordinate pairs for survey 



Minimum elevation for survey 



Blank 



First four distance-elevation pairs 



Continuation Cards 



Same as for first card 



A2 

 13 

 14 

 Al 

 16 

 15 

 13 



F5.2 



IIX 



4(F5.0.F5.1) 



Sample Survey Data 



21621101 1200 16 -21 



22 170 39 221 39 271 



23 559 63 610 18 648 

 31621109 1200 11 -6 

 32 321 37 420 37 521 



the 



n A-Z) 







Al 







ivat 



ion pairs 







7(F5. 



0,F5, 



1) 







20 50 



48 



47 



79 



38 



120 



39 



37 



321 36 



370 



36 



421 



38 



520 



54 



■11 



697 -14 



723 



-21 













29 42 



120 



40 



224 



39 



273 



38 



36 



570 29 



634 



12 



683 



5 



736 



-6 



N2 



