DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 68.60 Site Name: Sahel Site ID: EX6 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: 4 PRF (Hz): 1395.000 Frequency Band: L Carrier Frequency (GHz): 1.254 Wavelength (m): 0.239 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/277:15:03:09.9 Data Take End GMT: 1994/277:15:06:53.5 Data Take Duration (min:sec): 3:47 Latitude at Start GMT: 17 deg 43.2' N Longitude at Start GMT: 14 deg 25.4' W Latitude at End GMT: 5 deg 8.8' N Longitude at End GMT: 6 deg 43.4' W Center Incidence Angle (deg): 37.0 Track Angle at Image Center: 148.9 deg E of True North Along-Track Image Size (km): 1625.8 Cross-Track Image Size (km): 81.8 Along-Track Resolution (m): 99 Cross-Track Resolution (m): 106 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): 66.7 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 17 Bytes per Record: 2000 Records per Segment: 1786 Product Generation Date: Oct 29, 1994 Processing Facility: JPL Processor S/W Version: 1.2.6 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 40235 Comments: SEG_01 Lat/Long Near Early: 17 deg 55.3' N 14 deg 5.6' W Lat/Long Far Early: 17 deg 31.1' N 14 deg 45.1' W GMT Center 1994/277:15:03:16.8 Lat/Long Center: 17 deg 20.3' N 14 deg 10.3' W Lat/Long Near Late: 17 deg 9.4' N 13 deg 35.5' W Lat/Long Far Late: 16 deg 45.4' N 14 deg 14.9' W SEG_02 Lat/Long Near Early: 17 deg 9.4' N 13 deg 35.5' W Lat/Long Far Early: 16 deg 45.4' N 14 deg 14.9' W GMT Center 1994/277:15:03:30.6 Lat/Long Center: 16 deg 34.5' N 13 deg 40.3' W Lat/Long Near Late: 16 deg 23.4' N 13 deg 5.8' W Lat/Long Far Late: 15 deg 59.6' N 13 deg 45.0' W SEG_03 Lat/Long Near Early: 16 deg 23.4' N 13 deg 5.8' W Lat/Long Far Early: 15 deg 59.6' N 13 deg 45.0' W GMT Center 1994/277:15:03:44.3 Lat/Long Center: 15 deg 48.6' N 13 deg 10.6' W Lat/Long Near Late: 15 deg 37.4' N 12 deg 36.3' W Lat/Long Far Late: 15 deg 13.7' N 13 deg 15.4' W SEG_04 Lat/Long Near Early: 15 deg 37.4' N 12 deg 36.3' W Lat/Long Far Early: 15 deg 13.7' N 13 deg 15.4' W GMT Center 1994/277:15:03:58.1 Lat/Long Center: 15 deg 2.5' N 12 deg 41.2' W Lat/Long Near Late: 14 deg 51.2' N 12 deg 7.0' W Lat/Long Far Late: 14 deg 27.7' N 12 deg 46.0' W SEG_05 Lat/Long Near Early: 14 deg 51.2' N 12 deg 7.0' W Lat/Long Far Early: 14 deg 27.7' N 12 deg 46.0' W GMT Center 1994/277:15:04:11.8 Lat/Long Center: 14 deg 16.4' N 12 deg 12.0' W Lat/Long Near Late: 14 deg 5.0' N 11 deg 38.0' W Lat/Long Far Late: 13 deg 41.7' N 12 deg 16.8' W SEG_06 Lat/Long Near Early: 14 deg 5.0' N 11 deg 38.0' W Lat/Long Far Early: 13 deg 41.7' N 12 deg 16.8' W GMT Center 1994/277:15:04:25.6 Lat/Long Center: 13 deg 30.2' N 11 deg 43.0' W Lat/Long Near Late: 13 deg 18.7' N 11 deg 9.2' W Lat/Long Far Late: 12 deg 55.5' N 11 deg 47.9' W SEG_07 Lat/Long Near Early: 13 deg 18.7' N 11 deg 9.2' W Lat/Long Far Early: 12 deg 55.5' N 11 deg 47.9' W GMT Center 1994/277:15:04:39.3 Lat/Long Center: 12 deg 43.9' N 11 deg 14.2' W Lat/Long Near Late: 12 deg 32.3' N 10 deg 40.6' W Lat/Long Far Late: 12 deg 9.2' N 11 deg 19.2' W SEG_08 Lat/Long Near Early: 12 deg 32.3' N 10 deg 40.6' W Lat/Long Far Early: 12 deg 9.2' N 11 deg 19.2' W GMT Center 1994/277:15:04:53.1 Lat/Long Center: 11 deg 57.6' N 10 deg 45.7' W Lat/Long Near Late: 11 deg 45.8' N 10 deg 12.2' W Lat/Long Far Late: 11 deg 22.9' N 10 deg 50.8' W SEG_09 Lat/Long Near Early: 11 deg 45.8' N 10 deg 12.2' W Lat/Long Far Early: 11 deg 22.9' N 10 deg 50.8' W GMT Center 1994/277:15:05:06.8 Lat/Long Center: 11 deg 11.1' N 10 deg 17.3' W Lat/Long Near Late: 10 deg 59.3' N 9 deg 44.0' W Lat/Long Far Late: 10 deg 36.4' N 10 deg 22.5' W SEG_10 Lat/Long Near Early: 10 deg 59.3' N 9 deg 44.0' W Lat/Long Far Early: 10 deg 36.4' N 10 deg 22.5' W GMT Center 1994/277:15:05:20.6 Lat/Long Center: 10 deg 24.6' N 9 deg 49.2' W Lat/Long Near Late: 10 deg 12.7' N 9 deg 15.9' W Lat/Long Far Late: 9 deg 49.9' N 9 deg 54.3' W SEG_11 Lat/Long Near Early: 10 deg 12.7' N 9 deg 15.9' W Lat/Long Far Early: 9 deg 49.9' N 9 deg 54.3' W GMT Center 1994/277:15:05:34.3 Lat/Long Center: 9 deg 38.0' N 9 deg 21.2' W Lat/Long Near Late: 9 deg 26.0' N 8 deg 48.1' W Lat/Long Far Late: 9 deg 3.4' N 9 deg 26.4' W SEG_12 Lat/Long Near Early: 9 deg 26.0' N 8 deg 48.1' W Lat/Long Far Early: 9 deg 3.4' N 9 deg 26.4' W GMT Center 1994/277:15:05:48.1 Lat/Long Center: 8 deg 51.4' N 8 deg 53.3' W Lat/Long Near Late: 8 deg 39.3' N 8 deg 20.3' W Lat/Long Far Late: 8 deg 16.8' N 8 deg 58.6' W SEG_13 Lat/Long Near Early: 8 deg 39.3' N 8 deg 20.3' W Lat/Long Far Early: 8 deg 16.8' N 8 deg 58.6' W GMT Center 1994/277:15:06:01.8 Lat/Long Center: 8 deg 4.7' N 8 deg 25.6' W Lat/Long Near Late: 7 deg 52.6' N 7 deg 52.7' W Lat/Long Far Late: 7 deg 30.1' N 8 deg 30.9' W SEG_14 Lat/Long Near Early: 7 deg 52.6' N 7 deg 52.7' W Lat/Long Far Early: 7 deg 30.1' N 8 deg 30.9' W GMT Center 1994/277:15:06:15.6 Lat/Long Center: 7 deg 18.0' N 7 deg 58.0' W Lat/Long Near Late: 7 deg 5.8' N 7 deg 25.2' W Lat/Long Far Late: 6 deg 43.4' N 8 deg 3.4' W SEG_15 Lat/Long Near Early: 7 deg 5.8' N 7 deg 25.2' W Lat/Long Far Early: 6 deg 43.4' N 8 deg 3.4' W GMT Center 1994/277:15:06:29.3 Lat/Long Center: 6 deg 31.2' N 7 deg 30.6' W Lat/Long Near Late: 6 deg 18.9' N 6 deg 57.9' W Lat/Long Far Late: 5 deg 56.6' N 7 deg 36.0' W SEG_16 Lat/Long Near Early: 6 deg 18.9' N 6 deg 57.9' W Lat/Long Far Early: 5 deg 56.6' N 7 deg 36.0' W GMT Center 1994/277:15:06:43.1 Lat/Long Center: 5 deg 44.3' N 7 deg 3.2' W Lat/Long Near Late: 5 deg 32.0' N 6 deg 30.6' W Lat/Long Far Late: 5 deg 9.8' N 7 deg 8.6' W SEG_17 Lat/Long Near Early: 5 deg 32.0' N 6 deg 30.6' W Lat/Long Far Early: 5 deg 9.8' N 7 deg 8.6' W Lat/Long Near Data End: 5 deg 19.9' N 6 deg 24.4' W Lat/Long Far Data End: 4 deg 57.7' N 7 deg 2.5' W