DTHDR.TXT: DATA TAKE HEADER FILE 


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Data Take ID:                      66.31
Site Name:                         Iglesiente-Sardinia (1)        
Site ID:                           G22

Mission ID:                        SRL-2
Sensor ID:                         SIR-C
Radar Data Acquisition Mode:       SIR-C 11 / X-SAR
Antenna Direction:                 Right Looking
Orbit Direction:                   Descending
Pulse Bandwidth (MHz):             10
Pulse Duration (micro sec):        34
Quantization Format:               BFPQ
Beam Spoiling Mode:                0
PRF (Hz):                          1344.000
Frequency Band:                    L
Carrier Frequency (GHz):           1.254
Wavelength (m):                    0.239
Polarization Channel:              HH
Product Type:                      Survey Image
Data Take Start GMT:               1994/277:11:57:47.1
Data Take End GMT:                 1994/277:11:58:33.3
Data Take Duration (min:sec):      0:49
Latitude at Start GMT:             40 deg 28.9' N
Longitude at Start GMT:            6 deg 52.3' E
Latitude at End GMT:               38 deg 24.9' N
Longitude at End GMT:              9 deg 40.7' E
Center Incidence Angle (deg):      58.8
Track Angle at Image Center:       133.3 deg E of True North
Along-Track Image Size (km):       335.1
Cross-Track Image Size (km):       57.6
Along-Track Resolution (m):        147
Cross-Track Resolution (m):        75
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):        100.0
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:               1302
Product Generation Date:           Dec 17, 1994
Processing Facility:               JPL
Processor S/W Version:             1.2.7   
Available Standard Products:       LHH, LHV, CHH, CHV,
                                   XVV
Processing Run Number:             40645
Comments:                          



SEG_01
   Lat/Long Near Early:            40 deg 40.4' N  7 deg 6.1' E
   Lat/Long Far Early:             40 deg 17.3' N  6 deg 38.6' E
   GMT Center                      1994/277:11:57:54.0
   Lat/Long Center:                40 deg 10.7' N  7 deg 18.2' E
   Lat/Long Near Late:             40 deg 3.8' N  7 deg 57.7' E
   Lat/Long Far Late:              39 deg 41.0' N  7 deg 30.1' E

SEG_02
   Lat/Long Near Early:            40 deg 3.8' N  7 deg 57.7' E
   Lat/Long Far Early:             39 deg 41.0' N  7 deg 30.1' E
   GMT Center                      1994/277:11:58:07.8
   Lat/Long Center:                39 deg 34.0' N  8 deg 9.2' E
   Lat/Long Near Late:             39 deg 26.8' N  8 deg 48.3' E
   Lat/Long Far Late:              39 deg 4.2' N  8 deg 20.6' E

SEG_03
   Lat/Long Near Early:            39 deg 26.8' N  8 deg 48.3' E
   Lat/Long Far Early:             39 deg 4.2' N  8 deg 20.6' E
   GMT Center                      1994/277:11:58:21.6
   Lat/Long Center:                38 deg 56.9' N  8 deg 59.3' E
   Lat/Long Near Late:             38 deg 49.3' N  9 deg 37.9' E
   Lat/Long Far Late:              38 deg 27.0' N  9 deg 10.1' E

SEG_04
   Lat/Long Near Early:            38 deg 49.3' N  9 deg 37.9' E
   Lat/Long Far Early:             38 deg 27.0' N  9 deg 10.1' E
   Lat/Long Near Data End:         38 deg 36.0' N  9 deg 54.6' E
   Lat/Long Far Data End:          38 deg 13.8' N  9 deg 26.8' E