DTHDR.TXT: DATA TAKE HEADER FILE 


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Data Take ID:                      51.31
Site Name:                         Bighorn Basin, Wyoming         
Site ID:                           G04

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):             10
Pulse Duration (micro sec):        17
Quantization Format:               BFPQ
Beam Spoiling Mode:                0
PRF (Hz):                          1674.000
Frequency Band:                    L
Carrier Frequency (GHz):           1.254
Wavelength (m):                    0.239
Polarization Channel:              HH
Product Type:                      Survey Image
Data Take Start GMT:               1994/102:13:17:51.6
Data Take End GMT:                 1994/102:13:18:20.9
Data Take Duration (min:sec):      0:29
Latitude at Start GMT:             43 deg 30.6' N
Longitude at Start GMT:            109 deg 45.5' W
Latitude at End GMT:               44 deg 44.5' N
Longitude at End GMT:              107 deg 43.9' W
Center Incidence Angle (deg):      40.1
Track Angle at Image Center:       49.9 deg E of True North
Along-Track Image Size (km):       212.7
Cross-Track Image Size (km):       28.8
Along-Track Resolution (m):        64
Cross-Track Resolution (m):        99
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):        2.8
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:               726
Product Generation Date:           Sep 15, 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:             10723
Comments:                          



SEG_01
   Lat/Long Near Early:            43 deg 36.4' N  109 deg 52.5' W
   Lat/Long Far Early:             43 deg 24.7' N  109 deg 38.5' W
   GMT Center                      1994/102:13:17:58.5
   Lat/Long Center:                43 deg 48.1' N  109 deg 17.4' W
   Lat/Long Near Late:             44 deg 11.6' N  108 deg 56.0' W
   Lat/Long Far Late:              43 deg 59.6' N  108 deg 42.1' W

SEG_02
   Lat/Long Near Early:            44 deg 11.6' N  108 deg 56.0' W
   Lat/Long Far Early:             43 deg 59.6' N  108 deg 42.1' W
   GMT Center                      1994/102:13:18:12.3
   Lat/Long Center:                44 deg 22.9' N  108 deg 20.4' W
   Lat/Long Near Late:             44 deg 46.1' N  107 deg 58.3' W
   Lat/Long Far Late:              44 deg 34.0' N  107 deg 44.5' W

SEG_03
   Lat/Long Near Early:            44 deg 46.1' N  107 deg 58.3' W
   Lat/Long Far Early:             44 deg 34.0' N  107 deg 44.5' W
   Lat/Long Near Data End:         44 deg 50.5' N  107 deg 50.9' W
   Lat/Long Far Data End:          44 deg 38.4' N  107 deg 37.0' W