DTHDR.TXT: DATA TAKE HEADER FILE 


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Data Take ID:                      135.41
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:                   Descending
Pulse Bandwidth (MHz):             20
Pulse Duration (micro sec):        17
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:               1994/107:17:53:20.8
Data Take End GMT:                 1994/107:17:54:01.9
Data Take Duration (min:sec):      0:41
Latitude at Start GMT:             26 deg 36.0' N
Longitude at Start GMT:            90 deg 20.7' W
Latitude at End GMT:               24 deg 23.1' N
Longitude at End GMT:              88 deg 38.9' W
Center Incidence Angle (deg):      28.8
Track Angle at Image Center:       144.9 deg E of True North
Along-Track Image Size (km):       299.1
Cross-Track Image Size (km):       22.8
Along-Track Resolution (m):        90
Cross-Track Resolution (m):        66
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):        -11.8
Bit Error Rate (exponent):         0.0
Number of Looks:                   4.0
Image Segment Size (km):           100
Image Segments:                    3
Bytes per Record:                  2000
Records per Segment:               606
Product Generation Date:           Jul 31, 1994
Processing Facility:               JPL
Processor S/W Version:             1.2.4   
Available Standard Products:       LHH, LVH, LHV, LVV,
                                   CHH, CVH, CHV, CVV,
                                   XVV
Processing Run Number:             10720
Comments:                          



SEG_01
   Lat/Long Near Early:            26 deg 39.6' N  90 deg 15.1' W
   Lat/Long Far Early:             26 deg 32.4' N  90 deg 26.3' W
   GMT Center                      1994/107:17:53:27.7
   Lat/Long Center:                26 deg 14.0' N  90 deg 3.5' W
   Lat/Long Near Late:             25 deg 55.2' N  89 deg 40.5' W
   Lat/Long Far Late:              25 deg 48.1' N  89 deg 51.7' W

SEG_02
   Lat/Long Near Early:            25 deg 55.2' N  89 deg 40.5' W
   Lat/Long Far Early:             25 deg 48.1' N  89 deg 51.7' W
   GMT Center                      1994/107:17:53:41.4
   Lat/Long Center:                25 deg 29.6' N  89 deg 29.1' W
   Lat/Long Near Late:             25 deg 11.0' N  89 deg 6.7' W
   Lat/Long Far Late:              25 deg 3.9' N  89 deg 17.8' W

SEG_03
   Lat/Long Near Early:            25 deg 11.0' N  89 deg 6.7' W
   Lat/Long Far Early:             25 deg 3.9' N  89 deg 17.8' W
   GMT Center                      1994/107:17:53:55.2
   Lat/Long Center:                24 deg 44.9' N  88 deg 55.2' W
   Lat/Long Near Data End:         24 deg 26.6' N  88 deg 33.3' W
   Lat/Long Far Data End:          24 deg 19.6' N  88 deg 44.4' W