Name: TF_SURV
Description: SURVEYS USED TO CREATE MAGNETIC IMAGES
Feature type: POLY
No. of features: 31

Items:     Item Descriptions:
AREA       Holds the area of a polygon. The value is 0 for points	
PERIMETER  Holds the perimeter of a polygon. The value is 0 for points	
TF_SURV#   Internal sequence number (software assigned)	
TF_SURV-ID A feature id generated automatically (user assigned)	
SPACING	   Flight line spacing (metres)
DIRECTION  Aircraft flight direction (0 = N-S, 90 = E-W)
ALTITUDE   Aircraft flight altitude
ALT_TYPE   Altitude measure method
PROJ_NAME  Name of survey project
METHOD     Method of data capture

Item Domains
Item:      Item values:
SPACING    402 (metres)
           800
           805
           1609
           3219
	
DIRECTION  0 (degrees)
           90

ALTITUDE   150 (metres)
           152
           305
           762
           975

ALT_TYPE   BARO: Barometric
           MTC: Mean Terrain Clearance

PROJ_NAME  >10 unique values

METHOD     ANALOG
           DIGITAL

Sample Record:
AREA          =  ************
PERIMETER     =  447194.312
TF_SURV#      =  24
TF_SURV-ID    =  1
SPACING       =  800
DIRECTION     =  90
ALTITUDE      =  150
ALT_TYPE      =  MTC
PROJ_NAME     =  Sask/Man II: Dauphin
METHOD        =  DIGITAL

Processing and Source:
Refer to TF_H.

File Locations