DTHDR.TXT: DATA TAKE HEADER FILE 


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Data Take ID:                      145.20
Site Name:                         N. Atlantic 0                  
Site ID:                           N65

Mission ID:                        SRL-2
Sensor ID:                         SIR-C
Radar Data Acquisition Mode:       SIR-C 13 / X-SAR
Antenna Direction:                 Right Looking
Orbit Direction:                   Descending
Pulse Bandwidth (MHz):             10
Pulse Duration (micro sec):        34
Quantization Format:               BFPQ
Beam Spoiling Mode:                4
PRF (Hz):                          1512.000
Frequency Band:                    L
Carrier Frequency (GHz):           1.254
Wavelength (m):                    0.239
Polarization Channel:              HH
Product Type:                      Survey Image
Data Take Start GMT:               1994/282:08:35:39.8
Data Take End GMT:                 1994/282:08:36:00.9
Data Take Duration (min:sec):      0:23
Latitude at Start GMT:             55 deg 36.5' N
Longitude at Start GMT:            17 deg 17.4' W
Latitude at End GMT:               55 deg 29.7' N
Longitude at End GMT:              14 deg 52.1' W
Center Incidence Angle (deg):      38.1
Track Angle at Image Center:       94.7 deg E of True North
Along-Track Image Size (km):       153.6
Cross-Track Image Size (km):       70.4
Along-Track Resolution (m):        109
Cross-Track Resolution (m):        103
Along-Track Pixel Spacing (m):     50
Cross-Track Pixel Spacing (m):     50
Radiometric Representation:        8-bit Amplitude
Geometric Reresentation:           Ground Range
Signal-to-Noise Ratio (dB):        -2.5
Bit Error Rate (exponent):         0.0
Number of Looks:                   4.0
Image Segment Size (km):           100
Image Segments:                    2
Bytes per Record:                  2000
Records per Segment:               1558
Product Generation Date:           Mar 10, 1995
Processing Facility:               JPL
Processor S/W Version:             1.2.7   
Available Standard Products:       LHH, LVV, CHH, CVV,
                                   XVV
Processing Run Number:             40880
Comments:                          



SEG_01
   Lat/Long Near Early:            55 deg 55.5' N  17 deg 15.3' W
   Lat/Long Far Early:             55 deg 17.5' N  17 deg 19.5' W
   GMT Center                      1994/282:08:35:46.6
   Lat/Long Center:                55 deg 34.6' N  16 deg 30.1' W
   Lat/Long Near Late:             55 deg 51.4' N  15 deg 39.8' W
   Lat/Long Far Late:              55 deg 13.5' N  15 deg 45.7' W

SEG_02
   Lat/Long Near Early:            55 deg 51.4' N  15 deg 39.8' W
   Lat/Long Far Early:             55 deg 13.5' N  15 deg 45.7' W
   GMT Center                      1994/282:08:36:00.4
   Lat/Long Center:                55 deg 29.9' N  14 deg 55.7' W
   Lat/Long Near Data End:         55 deg 48.7' N  14 deg 48.7' W
   Lat/Long Far Data End:          55 deg 10.8' N  14 deg 55.5' W