DTHDR.TXT: DATA TAKE HEADER FILE 


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Data Take ID:                      145.12
Site Name:                         Gulf of Mexico 0               
Site ID:                           N06

Mission ID:                        SRL-1
Sensor ID:                         SIR-C
Radar Data Acquisition Mode:       SIR-C 16 / X-SAR
Antenna Direction:                 Right Looking
Orbit Direction:                   Ascending
Pulse Bandwidth (MHz):             20
Pulse Duration (micro sec):        34
Quantization Format:               BFPQ
Beam Spoiling Mode:                0
PRF (Hz):                          1395.000
Frequency Band:                    L
Carrier Frequency (GHz):           1.249
Wavelength (m):                    0.240
Polarization Channel:              HH
Product Type:                      Survey Image
Data Take Start GMT:               1994/108:08:11:15.7
Data Take End GMT:                 1994/108:08:12:06.2
Data Take Duration (min:sec):      0:52
Latitude at Start GMT:             25 deg 21.3' N
Longitude at Start GMT:            88 deg 50.2' W
Latitude at End GMT:               28 deg 3.4' N
Longitude at End GMT:              86 deg 41.6' W
Center Incidence Angle (deg):      29.4
Track Angle at Image Center:       35.6 deg E of True North
Along-Track Image Size (km):       367.4
Cross-Track Image Size (km):       18.2
Along-Track Resolution (m):        89
Cross-Track Resolution (m):        65
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):        10.0
Bit Error Rate (exponent):         0.0
Number of Looks:                   4.0
Image Segment Size (km):           100
Image Segments:                    4
Bytes per Record:                  2000
Records per Segment:               514
Product Generation Date:           Jun 29, 1994
Processing Facility:               JPL
Processor S/W Version:             1.2.2   
Available Standard Products:       LHH, LVH, LHV, LVV,
                                   CHH, CVH, CHV, CVV,
                                   XVV
Processing Run Number:             10245
Comments:                          



SEG_01
   Lat/Long Near Early:            25 deg 24.1' N  88 deg 54.6' W
   Lat/Long Far Early:             25 deg 18.5' N  88 deg 45.8' W
   GMT Center                      1994/108:08:11:22.6
   Lat/Long Center:                25 deg 43.7' N  88 deg 33.0' W
   Lat/Long Near Late:             26 deg 8.6' N  88 deg 20.4' W
   Lat/Long Far Late:              26 deg 2.9' N  88 deg 11.5' W

SEG_02
   Lat/Long Near Early:            26 deg 8.6' N  88 deg 20.4' W
   Lat/Long Far Early:             26 deg 2.9' N  88 deg 11.5' W
   GMT Center                      1994/108:08:11:36.3
   Lat/Long Center:                26 deg 28.0' N  87 deg 58.5' W
   Lat/Long Near Late:             26 deg 52.8' N  87 deg 45.8' W
   Lat/Long Far Late:              26 deg 47.1' N  87 deg 36.8' W

SEG_03
   Lat/Long Near Early:            26 deg 52.8' N  87 deg 45.8' W
   Lat/Long Far Early:             26 deg 47.1' N  87 deg 36.8' W
   GMT Center                      1994/108:08:11:50.1
   Lat/Long Center:                27 deg 11.8' N  87 deg 23.9' W
   Lat/Long Near Late:             27 deg 36.9' N  87 deg 10.6' W
   Lat/Long Far Late:              27 deg 31.1' N  87 deg 1.6' W

SEG_04
   Lat/Long Near Early:            27 deg 36.9' N  87 deg 10.6' W
   Lat/Long Far Early:             27 deg 31.1' N  87 deg 1.6' W
   GMT Center                      1994/108:08:12:03.8
   Lat/Long Center:                27 deg 55.8' N  86 deg 48.4' W
   Lat/Long Near Data End:         28 deg 6.3' N  86 deg 46.1' W
   Lat/Long Far Data End:          28 deg 0.4' N  86 deg 37.1' W