DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 52.50 Site Name: Sahel Site ID: EX4 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): 17 Quantization Format: BFPQ Beam Spoiling Mode: 5 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: 1994/276:15:22:09.9 Data Take End GMT: 1994/276:15:26:54.5 Data Take Duration (min:sec): 4:47 Latitude at Start GMT: 18 deg 28.4' N Longitude at Start GMT: 13 deg 56.2' W Latitude at End GMT: 2 deg 27.1' N Longitude at End GMT: 4 deg 9.8' W Center Incidence Angle (deg): 36.6 Track Angle at Image Center: 149.1 deg E of True North Along-Track Image Size (km): 2069.0 Cross-Track Image Size (km): 87.4 Along-Track Resolution (m): 99 Cross-Track Resolution (m): 107 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): 51.4 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 21 Bytes per Record: 2000 Records per Segment: 1898 Product Generation Date: Dec 08, 1994 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 40556 Comments: SEG_01 Lat/Long Near Early: 18 deg 41.5' N 13 deg 34.9' W Lat/Long Far Early: 18 deg 15.5' N 14 deg 17.3' W GMT Center 1994/276:15:22:16.8 Lat/Long Center: 18 deg 5.6' N 13 deg 41.0' W Lat/Long Near Late: 17 deg 55.7' N 13 deg 4.5' W Lat/Long Far Late: 17 deg 29.9' N 13 deg 46.8' W SEG_02 Lat/Long Near Early: 17 deg 55.7' N 13 deg 4.5' W Lat/Long Far Early: 17 deg 29.9' N 13 deg 46.8' W GMT Center 1994/276:15:22:30.5 Lat/Long Center: 17 deg 19.9' N 13 deg 10.7' W Lat/Long Near Late: 17 deg 9.8' N 12 deg 34.5' W Lat/Long Far Late: 16 deg 44.2' N 13 deg 16.7' W SEG_03 Lat/Long Near Early: 17 deg 9.8' N 12 deg 34.5' W Lat/Long Far Early: 16 deg 44.2' N 13 deg 16.7' W GMT Center 1994/276:15:22:44.3 Lat/Long Center: 16 deg 34.0' N 12 deg 40.8' W Lat/Long Near Late: 16 deg 23.8' N 12 deg 4.8' W Lat/Long Far Late: 15 deg 58.4' N 12 deg 46.8' W SEG_04 Lat/Long Near Early: 16 deg 23.8' N 12 deg 4.8' W Lat/Long Far Early: 15 deg 58.4' N 12 deg 46.8' W GMT Center 1994/276:15:22:58.0 Lat/Long Center: 15 deg 48.1' N 12 deg 11.1' W Lat/Long Near Late: 15 deg 37.8' N 11 deg 35.3' W Lat/Long Far Late: 15 deg 12.5' N 12 deg 17.2' W SEG_05 Lat/Long Near Early: 15 deg 37.8' N 11 deg 35.3' W Lat/Long Far Early: 15 deg 12.5' N 12 deg 17.2' W GMT Center 1994/276:15:23:11.8 Lat/Long Center: 15 deg 2.1' N 11 deg 41.6' W Lat/Long Near Late: 14 deg 51.6' N 11 deg 6.1' W Lat/Long Far Late: 14 deg 26.5' N 11 deg 47.8' W SEG_06 Lat/Long Near Early: 14 deg 51.6' N 11 deg 6.1' W Lat/Long Far Early: 14 deg 26.5' N 11 deg 47.8' W GMT Center 1994/276:15:23:25.5 Lat/Long Center: 14 deg 15.9' N 11 deg 12.5' W Lat/Long Near Late: 14 deg 5.3' N 10 deg 37.1' W Lat/Long Far Late: 13 deg 40.4' N 11 deg 18.7' W SEG_07 Lat/Long Near Early: 14 deg 5.3' N 10 deg 37.1' W Lat/Long Far Early: 13 deg 40.4' N 11 deg 18.7' W GMT Center 1994/276:15:23:39.3 Lat/Long Center: 13 deg 29.7' N 10 deg 43.5' W Lat/Long Near Late: 13 deg 19.0' N 10 deg 8.3' W Lat/Long Far Late: 12 deg 54.2' N 10 deg 49.8' W SEG_08 Lat/Long Near Early: 13 deg 19.0' N 10 deg 8.3' W Lat/Long Far Early: 12 deg 54.2' N 10 deg 49.8' W GMT Center 1994/276:15:23:53.1 Lat/Long Center: 12 deg 43.4' N 10 deg 14.8' W Lat/Long Near Late: 12 deg 32.6' N 9 deg 39.8' W Lat/Long Far Late: 12 deg 7.9' N 10 deg 21.2' W SEG_09 Lat/Long Near Early: 12 deg 32.6' N 9 deg 39.8' W Lat/Long Far Early: 12 deg 7.9' N 10 deg 21.2' W GMT Center 1994/276:15:24:06.8 Lat/Long Center: 11 deg 57.0' N 9 deg 46.3' W Lat/Long Near Late: 11 deg 46.1' N 9 deg 11.4' W Lat/Long Far Late: 11 deg 21.5' N 9 deg 52.7' W SEG_10 Lat/Long Near Early: 11 deg 46.1' N 9 deg 11.4' W Lat/Long Far Early: 11 deg 21.5' N 9 deg 52.7' W GMT Center 1994/276:15:24:20.6 Lat/Long Center: 11 deg 10.6' N 9 deg 17.9' W Lat/Long Near Late: 10 deg 59.5' N 8 deg 43.2' W Lat/Long Far Late: 10 deg 35.1' N 9 deg 24.4' W SEG_11 Lat/Long Near Early: 10 deg 59.5' N 8 deg 43.2' W Lat/Long Far Early: 10 deg 35.1' N 9 deg 24.4' W GMT Center 1994/276:15:24:34.3 Lat/Long Center: 10 deg 24.1' N 8 deg 49.8' W Lat/Long Near Late: 10 deg 12.9' N 8 deg 15.2' W Lat/Long Far Late: 9 deg 48.6' N 8 deg 56.3' W SEG_12 Lat/Long Near Early: 10 deg 12.9' N 8 deg 15.2' W Lat/Long Far Early: 9 deg 48.6' N 8 deg 56.3' W GMT Center 1994/276:15:24:48.1 Lat/Long Center: 9 deg 37.5' N 8 deg 21.8' W Lat/Long Near Late: 9 deg 26.3' N 7 deg 47.4' W Lat/Long Far Late: 9 deg 2.1' N 8 deg 28.4' W SEG_13 Lat/Long Near Early: 9 deg 26.3' N 7 deg 47.4' W Lat/Long Far Early: 9 deg 2.1' N 8 deg 28.4' W GMT Center 1994/276:15:25:01.8 Lat/Long Center: 8 deg 50.8' N 7 deg 54.0' W Lat/Long Near Late: 8 deg 39.5' N 7 deg 19.7' W Lat/Long Far Late: 8 deg 15.4' N 8 deg 0.6' W SEG_14 Lat/Long Near Early: 8 deg 39.5' N 7 deg 19.7' W Lat/Long Far Early: 8 deg 15.4' N 8 deg 0.6' W GMT Center 1994/276:15:25:15.6 Lat/Long Center: 8 deg 4.1' N 7 deg 26.3' W Lat/Long Near Late: 7 deg 52.7' N 6 deg 52.1' W Lat/Long Far Late: 7 deg 28.7' N 7 deg 32.9' W SEG_15 Lat/Long Near Early: 7 deg 52.7' N 6 deg 52.1' W Lat/Long Far Early: 7 deg 28.7' N 7 deg 32.9' W GMT Center 1994/276:15:25:29.3 Lat/Long Center: 7 deg 17.4' N 6 deg 58.8' W Lat/Long Near Late: 7 deg 5.9' N 6 deg 24.6' W Lat/Long Far Late: 6 deg 42.0' N 7 deg 5.4' W SEG_16 Lat/Long Near Early: 7 deg 5.9' N 6 deg 24.6' W Lat/Long Far Early: 6 deg 42.0' N 7 deg 5.4' W GMT Center 1994/276:15:25:43.1 Lat/Long Center: 6 deg 30.6' N 6 deg 31.3' W Lat/Long Near Late: 6 deg 19.1' N 5 deg 57.3' W Lat/Long Far Late: 5 deg 55.2' N 6 deg 38.0' W SEG_17 Lat/Long Near Early: 6 deg 19.1' N 5 deg 57.3' W Lat/Long Far Early: 5 deg 55.2' N 6 deg 38.0' W GMT Center 1994/276:15:25:56.8 Lat/Long Center: 5 deg 43.7' N 6 deg 4.0' W Lat/Long Near Late: 5 deg 32.2' N 5 deg 30.0' W Lat/Long Far Late: 5 deg 8.4' N 6 deg 10.7' W SEG_18 Lat/Long Near Early: 5 deg 32.2' N 5 deg 30.0' W Lat/Long Far Early: 5 deg 8.4' N 6 deg 10.7' W GMT Center 1994/276:15:26:10.6 Lat/Long Center: 4 deg 56.9' N 5 deg 36.8' W Lat/Long Near Late: 4 deg 45.2' N 5 deg 2.9' W Lat/Long Far Late: 4 deg 21.5' N 5 deg 43.5' W SEG_19 Lat/Long Near Early: 4 deg 45.2' N 5 deg 2.9' W Lat/Long Far Early: 4 deg 21.5' N 5 deg 43.5' W GMT Center 1994/276:15:26:24.3 Lat/Long Center: 4 deg 9.9' N 5 deg 9.6' W Lat/Long Near Late: 3 deg 58.3' N 4 deg 35.8' W Lat/Long Far Late: 3 deg 34.6' N 5 deg 16.4' W SEG_20 Lat/Long Near Early: 3 deg 58.3' N 4 deg 35.8' W Lat/Long Far Early: 3 deg 34.6' N 5 deg 16.4' W GMT Center 1994/276:15:26:38.1 Lat/Long Center: 3 deg 23.0' N 4 deg 42.5' W Lat/Long Near Late: 3 deg 11.3' N 4 deg 8.8' W Lat/Long Far Late: 2 deg 47.7' N 4 deg 49.4' W SEG_21 Lat/Long Near Early: 3 deg 11.3' N 4 deg 8.8' W Lat/Long Far Early: 2 deg 47.7' N 4 deg 49.4' W GMT Center 1994/276:15:26:51.8 Lat/Long Center: 2 deg 36.0' N 4 deg 15.5' W Lat/Long Near Data End: 2 deg 38.8' N 3 deg 49.5' W Lat/Long Far Data End: 2 deg 15.3' N 4 deg 30.1' W