DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 36.70 Site Name: Sahel Site ID: EX3 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: 6 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: 1994/275:15:39:40.9 Data Take End GMT: 1994/275:15:45:56.3 Data Take Duration (min:sec): 6:17 Latitude at Start GMT: 22 deg 51.6' N Longitude at Start GMT: 16 deg 14.4' W Latitude at End GMT: 1 deg 51.3' N Longitude at End GMT: 3 deg 3.0' W Center Incidence Angle (deg): 37.0 Track Angle at Image Center: 148.7 deg E of True North Along-Track Image Size (km): 2729.1 Cross-Track Image Size (km): 78.0 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): 51.4 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 28 Bytes per Record: 2000 Records per Segment: 1710 Product Generation Date: Mar 17, 1995 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 40743 Comments: SEG_01 Lat/Long Near Early: 23 deg 3.7' N 15 deg 55.1' W Lat/Long Far Early: 22 deg 39.5' N 16 deg 33.4' W GMT Center 1994/275:15:39:47.7 Lat/Long Center: 22 deg 29.2' N 15 deg 58.0' W Lat/Long Near Late: 22 deg 18.8' N 15 deg 22.6' W Lat/Long Far Late: 21 deg 54.8' N 16 deg 0.8' W SEG_02 Lat/Long Near Early: 22 deg 18.8' N 15 deg 22.6' W Lat/Long Far Early: 21 deg 54.8' N 16 deg 0.8' W GMT Center 1994/275:15:40:01.5 Lat/Long Center: 21 deg 44.3' N 15 deg 25.7' W Lat/Long Near Late: 21 deg 33.7' N 14 deg 50.5' W Lat/Long Far Late: 21 deg 9.9' N 15 deg 28.6' W SEG_03 Lat/Long Near Early: 21 deg 33.7' N 14 deg 50.5' W Lat/Long Far Early: 21 deg 9.9' N 15 deg 28.6' W GMT Center 1994/275:15:40:15.2 Lat/Long Center: 20 deg 59.2' N 14 deg 53.7' W Lat/Long Near Late: 20 deg 48.5' N 14 deg 18.8' W Lat/Long Far Late: 20 deg 24.8' N 14 deg 56.8' W SEG_04 Lat/Long Near Early: 20 deg 48.5' N 14 deg 18.8' W Lat/Long Far Early: 20 deg 24.8' N 14 deg 56.8' W GMT Center 1994/275:15:40:29.0 Lat/Long Center: 20 deg 14.0' N 14 deg 22.2' W Lat/Long Near Late: 20 deg 3.1' N 13 deg 47.5' W Lat/Long Far Late: 19 deg 39.7' N 14 deg 25.3' W SEG_05 Lat/Long Near Early: 20 deg 3.1' N 13 deg 47.5' W Lat/Long Far Early: 19 deg 39.7' N 14 deg 25.3' W GMT Center 1994/275:15:40:42.8 Lat/Long Center: 19 deg 28.7' N 13 deg 50.9' W Lat/Long Near Late: 19 deg 17.6' N 13 deg 16.5' W Lat/Long Far Late: 18 deg 54.4' N 13 deg 54.2' W SEG_06 Lat/Long Near Early: 19 deg 17.6' N 13 deg 16.5' W Lat/Long Far Early: 18 deg 54.4' N 13 deg 54.2' W GMT Center 1994/275:15:40:56.5 Lat/Long Center: 18 deg 43.3' N 13 deg 20.0' W Lat/Long Near Late: 18 deg 32.0' N 12 deg 45.8' W Lat/Long Far Late: 18 deg 8.9' N 13 deg 23.4' W SEG_07 Lat/Long Near Early: 18 deg 32.0' N 12 deg 45.8' W Lat/Long Far Early: 18 deg 8.9' N 13 deg 23.4' W GMT Center 1994/275:15:41:10.3 Lat/Long Center: 17 deg 57.7' N 12 deg 49.4' W Lat/Long Near Late: 17 deg 46.3' N 12 deg 15.5' W Lat/Long Far Late: 17 deg 23.4' N 12 deg 52.9' W SEG_08 Lat/Long Near Early: 17 deg 46.3' N 12 deg 15.5' W Lat/Long Far Early: 17 deg 23.4' N 12 deg 52.9' W GMT Center 1994/275:15:41:24.0 Lat/Long Center: 17 deg 12.0' N 12 deg 19.2' W Lat/Long Near Late: 17 deg 0.5' N 11 deg 45.4' W Lat/Long Far Late: 16 deg 37.7' N 12 deg 22.8' W SEG_09 Lat/Long Near Early: 17 deg 0.5' N 11 deg 45.4' W Lat/Long Far Early: 16 deg 37.7' N 12 deg 22.8' W GMT Center 1994/275:15:41:37.8 Lat/Long Center: 16 deg 26.2' N 11 deg 49.2' W Lat/Long Near Late: 16 deg 14.6' N 11 deg 15.6' W Lat/Long Far Late: 15 deg 51.9' N 11 deg 52.9' W SEG_10 Lat/Long Near Early: 16 deg 14.6' N 11 deg 15.6' W Lat/Long Far Early: 15 deg 51.9' N 11 deg 52.9' W GMT Center 1994/275:15:41:51.5 Lat/Long Center: 15 deg 40.3' N 11 deg 19.5' W Lat/Long Near Late: 15 deg 28.5' N 10 deg 46.1' W Lat/Long Far Late: 15 deg 6.0' N 11 deg 23.2' W SEG_11 Lat/Long Near Early: 15 deg 28.5' N 10 deg 46.1' W Lat/Long Far Early: 15 deg 6.0' N 11 deg 23.2' W GMT Center 1994/275:15:42:05.3 Lat/Long Center: 14 deg 54.3' N 10 deg 50.0' W Lat/Long Near Late: 14 deg 42.4' N 10 deg 16.8' W Lat/Long Far Late: 14 deg 20.1' N 10 deg 53.9' W SEG_12 Lat/Long Near Early: 14 deg 42.4' N 10 deg 16.8' W Lat/Long Far Early: 14 deg 20.1' N 10 deg 53.9' W GMT Center 1994/275:15:42:19.1 Lat/Long Center: 14 deg 8.2' N 10 deg 20.8' W Lat/Long Near Late: 13 deg 56.2' N 9 deg 47.8' W Lat/Long Far Late: 13 deg 34.0' N 10 deg 24.7' W SEG_13 Lat/Long Near Early: 13 deg 56.2' N 9 deg 47.8' W Lat/Long Far Early: 13 deg 34.0' N 10 deg 24.7' W GMT Center 1994/275:15:42:32.8 Lat/Long Center: 13 deg 22.0' N 9 deg 51.8' W Lat/Long Near Late: 13 deg 9.9' N 9 deg 19.0' W Lat/Long Far Late: 12 deg 47.8' N 9 deg 55.8' W SEG_14 Lat/Long Near Early: 13 deg 9.9' N 9 deg 19.0' W Lat/Long Far Early: 12 deg 47.8' N 9 deg 55.8' W GMT Center 1994/275:15:42:46.6 Lat/Long Center: 12 deg 35.7' N 9 deg 23.1' W Lat/Long Near Late: 12 deg 23.5' N 8 deg 50.4' W Lat/Long Far Late: 12 deg 1.5' N 9 deg 27.2' W SEG_15 Lat/Long Near Early: 12 deg 23.5' N 8 deg 50.4' W Lat/Long Far Early: 12 deg 1.5' N 9 deg 27.2' W GMT Center 1994/275:15:43:00.3 Lat/Long Center: 11 deg 49.4' N 8 deg 54.5' W Lat/Long Near Late: 11 deg 37.1' N 8 deg 22.0' W Lat/Long Far Late: 11 deg 15.2' N 8 deg 58.7' W SEG_16 Lat/Long Near Early: 11 deg 37.1' N 8 deg 22.0' W Lat/Long Far Early: 11 deg 15.2' N 8 deg 58.7' W GMT Center 1994/275:15:43:14.1 Lat/Long Center: 11 deg 2.9' N 8 deg 26.2' W Lat/Long Near Late: 10 deg 50.6' N 7 deg 53.8' W Lat/Long Far Late: 10 deg 28.8' N 8 deg 30.4' W SEG_17 Lat/Long Near Early: 10 deg 50.6' N 7 deg 53.8' W Lat/Long Far Early: 10 deg 28.8' N 8 deg 30.4' W GMT Center 1994/275:15:43:27.8 Lat/Long Center: 10 deg 16.4' N 7 deg 58.0' W Lat/Long Near Late: 10 deg 4.0' N 7 deg 25.7' W Lat/Long Far Late: 9 deg 42.3' N 8 deg 2.3' W SEG_18 Lat/Long Near Early: 10 deg 4.0' N 7 deg 25.7' W Lat/Long Far Early: 9 deg 42.3' N 8 deg 2.3' W GMT Center 1994/275:15:43:41.6 Lat/Long Center: 9 deg 29.9' N 7 deg 30.0' W Lat/Long Near Late: 9 deg 17.3' N 6 deg 57.9' W Lat/Long Far Late: 8 deg 55.8' N 7 deg 34.3' W SEG_19 Lat/Long Near Early: 9 deg 17.3' N 6 deg 57.9' W Lat/Long Far Early: 8 deg 55.8' N 7 deg 34.3' W GMT Center 1994/275:15:43:55.4 Lat/Long Center: 8 deg 43.2' N 7 deg 2.2' W Lat/Long Near Late: 8 deg 30.6' N 6 deg 30.1' W Lat/Long Far Late: 8 deg 9.1' N 7 deg 6.6' W SEG_20 Lat/Long Near Early: 8 deg 30.6' N 6 deg 30.1' W Lat/Long Far Early: 8 deg 9.1' N 7 deg 6.6' W GMT Center 1994/275:15:44:09.1 Lat/Long Center: 7 deg 56.5' N 6 deg 34.5' W Lat/Long Near Late: 7 deg 43.9' N 6 deg 2.5' W Lat/Long Far Late: 7 deg 22.5' N 6 deg 38.9' W SEG_21 Lat/Long Near Early: 7 deg 43.9' N 6 deg 2.5' W Lat/Long Far Early: 7 deg 22.5' N 6 deg 38.9' W GMT Center 1994/275:15:44:22.9 Lat/Long Center: 7 deg 9.8' N 6 deg 6.9' W Lat/Long Near Late: 6 deg 57.1' N 5 deg 35.0' W Lat/Long Far Late: 6 deg 35.7' N 6 deg 11.4' W SEG_22 Lat/Long Near Early: 6 deg 57.1' N 5 deg 35.0' W Lat/Long Far Early: 6 deg 35.7' N 6 deg 11.4' W GMT Center 1994/275:15:44:36.6 Lat/Long Center: 6 deg 23.0' N 5 deg 39.5' W Lat/Long Near Late: 6 deg 10.2' N 5 deg 7.7' W Lat/Long Far Late: 5 deg 49.0' N 5 deg 44.0' W SEG_23 Lat/Long Near Early: 6 deg 10.2' N 5 deg 7.7' W Lat/Long Far Early: 5 deg 49.0' N 5 deg 44.0' W GMT Center 1994/275:15:44:50.4 Lat/Long Center: 5 deg 36.2' N 5 deg 12.2' W Lat/Long Near Late: 5 deg 23.3' N 4 deg 40.4' W Lat/Long Far Late: 5 deg 2.1' N 5 deg 16.7' W SEG_24 Lat/Long Near Early: 5 deg 23.3' N 4 deg 40.4' W Lat/Long Far Early: 5 deg 2.1' N 5 deg 16.7' W GMT Center 1994/275:15:45:04.1 Lat/Long Center: 4 deg 49.3' N 4 deg 44.9' W Lat/Long Near Late: 4 deg 36.4' N 4 deg 13.2' W Lat/Long Far Late: 4 deg 15.3' N 4 deg 49.5' W SEG_25 Lat/Long Near Early: 4 deg 36.4' N 4 deg 13.2' W Lat/Long Far Early: 4 deg 15.3' N 4 deg 49.5' W GMT Center 1994/275:15:45:17.9 Lat/Long Center: 4 deg 2.4' N 4 deg 17.8' W Lat/Long Near Late: 3 deg 49.5' N 3 deg 46.1' W Lat/Long Far Late: 3 deg 28.4' N 4 deg 22.3' W SEG_26 Lat/Long Near Early: 3 deg 49.5' N 3 deg 46.1' W Lat/Long Far Early: 3 deg 28.4' N 4 deg 22.3' W GMT Center 1994/275:15:45:31.7 Lat/Long Center: 3 deg 15.5' N 3 deg 50.7' W Lat/Long Near Late: 3 deg 2.5' N 3 deg 19.1' W Lat/Long Far Late: 2 deg 41.4' N 3 deg 55.3' W SEG_27 Lat/Long Near Early: 3 deg 2.5' N 3 deg 19.1' W Lat/Long Far Early: 2 deg 41.4' N 3 deg 55.3' W GMT Center 1994/275:15:45:45.4 Lat/Long Center: 2 deg 28.5' N 3 deg 23.7' W Lat/Long Near Late: 2 deg 15.5' N 2 deg 52.1' W Lat/Long Far Late: 1 deg 54.5' N 3 deg 28.3' W SEG_28 Lat/Long Near Early: 2 deg 15.5' N 2 deg 52.1' W Lat/Long Far Early: 1 deg 54.5' N 3 deg 28.3' W Lat/Long Near Data End: 2 deg 1.8' N 2 deg 45.0' W Lat/Long Far Data End: 1 deg 40.8' N 3 deg 21.2' W