DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 19.50 Site Name: Lake Chad, Sahara Chad Site ID: GS5 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 8 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 5 PRF (Hz): 1344.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/274:14:27:40.0 Data Take End GMT: 1994/274:14:36:02.5 Data Take Duration (min:sec): 8:23 Latitude at Start GMT: 28 deg 34.2' N Longitude at Start GMT: 2 deg 48.0' E Latitude at End GMT: 0 deg 43.4' N Longitude at End GMT: 21 deg 9.0' E Center Incidence Angle (deg): 41.3 Track Angle at Image Center: 148.1 deg E of True North Along-Track Image Size (km): 3652.0 Cross-Track Image Size (km): 76.4 Along-Track Resolution (m): 103 Cross-Track Resolution (m): 48 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): 6.2 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 37 Bytes per Record: 2000 Records per Segment: 1678 Product Generation Date: Nov 30, 1994 Processing Facility: JPL Processor S/W Version: 1.2.6 Available Standard Products: LHH, CHH, XVV Processing Run Number: 40463 Comments: SEG_01 Lat/Long Near Early: 28 deg 47.0' N 3 deg 7.3' E Lat/Long Far Early: 28 deg 21.5' N 2 deg 28.9' E GMT Center 1994/274:14:27:46.9 Lat/Long Center: 28 deg 12.5' N 3 deg 6.2' E Lat/Long Near Late: 28 deg 3.4' N 3 deg 43.6' E Lat/Long Far Late: 27 deg 38.2' N 3 deg 5.2' E SEG_02 Lat/Long Near Early: 28 deg 3.4' N 3 deg 43.6' E Lat/Long Far Early: 27 deg 38.2' N 3 deg 5.2' E GMT Center 1994/274:14:28:00.6 Lat/Long Center: 27 deg 29.0' N 3 deg 42.2' E Lat/Long Near Late: 27 deg 19.7' N 4 deg 19.2' E Lat/Long Far Late: 26 deg 54.8' N 3 deg 41.0' E SEG_03 Lat/Long Near Early: 27 deg 19.7' N 4 deg 19.2' E Lat/Long Far Early: 26 deg 54.8' N 3 deg 41.0' E GMT Center 1994/274:14:28:14.4 Lat/Long Center: 26 deg 45.3' N 4 deg 17.7' E Lat/Long Near Late: 26 deg 35.8' N 4 deg 54.4' E Lat/Long Far Late: 26 deg 11.1' N 4 deg 16.3' E SEG_04 Lat/Long Near Early: 26 deg 35.8' N 4 deg 54.4' E Lat/Long Far Early: 26 deg 11.1' N 4 deg 16.3' E GMT Center 1994/274:14:28:28.1 Lat/Long Center: 26 deg 1.4' N 4 deg 52.7' E Lat/Long Near Late: 25 deg 51.7' N 5 deg 29.0' E Lat/Long Far Late: 25 deg 27.2' N 4 deg 51.1' E SEG_05 Lat/Long Near Early: 25 deg 51.7' N 5 deg 29.0' E Lat/Long Far Early: 25 deg 27.2' N 4 deg 51.1' E GMT Center 1994/274:14:28:41.9 Lat/Long Center: 25 deg 17.4' N 5 deg 27.1' E Lat/Long Near Late: 25 deg 7.4' N 6 deg 3.2' E Lat/Long Far Late: 24 deg 43.1' N 5 deg 25.4' E SEG_06 Lat/Long Near Early: 25 deg 7.4' N 6 deg 3.2' E Lat/Long Far Early: 24 deg 43.1' N 5 deg 25.4' E GMT Center 1994/274:14:28:55.7 Lat/Long Center: 24 deg 33.1' N 6 deg 1.2' E Lat/Long Near Late: 24 deg 22.9' N 6 deg 36.9' E Lat/Long Far Late: 23 deg 58.9' N 5 deg 59.3' E SEG_07 Lat/Long Near Early: 24 deg 22.9' N 6 deg 36.9' E Lat/Long Far Early: 23 deg 58.9' N 5 deg 59.3' E GMT Center 1994/274:14:29:09.4 Lat/Long Center: 23 deg 48.7' N 6 deg 34.7' E Lat/Long Near Late: 23 deg 38.3' N 7 deg 10.2' E Lat/Long Far Late: 23 deg 14.5' N 6 deg 32.7' E SEG_08 Lat/Long Near Early: 23 deg 38.3' N 7 deg 10.2' E Lat/Long Far Early: 23 deg 14.5' N 6 deg 32.7' E GMT Center 1994/274:14:29:23.2 Lat/Long Center: 23 deg 4.1' N 7 deg 7.8' E Lat/Long Near Late: 22 deg 53.5' N 7 deg 43.0' E Lat/Long Far Late: 22 deg 29.9' N 7 deg 5.6' E SEG_09 Lat/Long Near Early: 22 deg 53.5' N 7 deg 43.0' E Lat/Long Far Early: 22 deg 29.9' N 7 deg 5.6' E GMT Center 1994/274:14:29:36.9 Lat/Long Center: 22 deg 19.3' N 7 deg 40.5' E Lat/Long Near Late: 22 deg 8.6' N 8 deg 15.4' E Lat/Long Far Late: 21 deg 45.2' N 7 deg 38.2' E SEG_10 Lat/Long Near Early: 22 deg 8.6' N 8 deg 15.4' E Lat/Long Far Early: 21 deg 45.2' N 7 deg 38.2' E GMT Center 1994/274:14:29:50.7 Lat/Long Center: 21 deg 34.4' N 8 deg 12.9' E Lat/Long Near Late: 21 deg 23.5' N 8 deg 47.5' E Lat/Long Far Late: 21 deg 0.3' N 8 deg 10.4' E SEG_11 Lat/Long Near Early: 21 deg 23.5' N 8 deg 47.5' E Lat/Long Far Early: 21 deg 0.3' N 8 deg 10.4' E GMT Center 1994/274:14:30:04.5 Lat/Long Center: 20 deg 49.3' N 8 deg 44.8' E Lat/Long Near Late: 20 deg 38.3' N 9 deg 19.2' E Lat/Long Far Late: 20 deg 15.2' N 8 deg 42.2' E SEG_12 Lat/Long Near Early: 20 deg 38.3' N 9 deg 19.2' E Lat/Long Far Early: 20 deg 15.2' N 8 deg 42.2' E GMT Center 1994/274:14:30:18.2 Lat/Long Center: 20 deg 4.1' N 9 deg 16.3' E Lat/Long Near Late: 19 deg 52.9' N 9 deg 50.5' E Lat/Long Far Late: 19 deg 30.1' N 9 deg 13.6' E SEG_13 Lat/Long Near Early: 19 deg 52.9' N 9 deg 50.5' E Lat/Long Far Early: 19 deg 30.1' N 9 deg 13.6' E GMT Center 1994/274:14:30:32.0 Lat/Long Center: 19 deg 18.8' N 9 deg 47.5' E Lat/Long Near Late: 19 deg 7.4' N 10 deg 21.5' E Lat/Long Far Late: 18 deg 44.7' N 9 deg 44.7' E SEG_14 Lat/Long Near Early: 19 deg 7.4' N 10 deg 21.5' E Lat/Long Far Early: 18 deg 44.7' N 9 deg 44.7' E GMT Center 1994/274:14:30:45.7 Lat/Long Center: 18 deg 33.3' N 10 deg 18.4' E Lat/Long Near Late: 18 deg 21.8' N 10 deg 52.1' E Lat/Long Far Late: 17 deg 59.3' N 10 deg 15.5' E SEG_15 Lat/Long Near Early: 18 deg 21.8' N 10 deg 52.1' E Lat/Long Far Early: 17 deg 59.3' N 10 deg 15.5' E GMT Center 1994/274:14:30:59.5 Lat/Long Center: 17 deg 47.8' N 10 deg 49.0' E Lat/Long Near Late: 17 deg 36.1' N 11 deg 22.4' E Lat/Long Far Late: 17 deg 13.7' N 10 deg 45.9' E SEG_16 Lat/Long Near Early: 17 deg 36.1' N 11 deg 22.4' E Lat/Long Far Early: 17 deg 13.7' N 10 deg 45.9' E GMT Center 1994/274:14:31:13.3 Lat/Long Center: 17 deg 2.1' N 11 deg 19.2' E Lat/Long Near Late: 16 deg 50.3' N 11 deg 52.5' E Lat/Long Far Late: 16 deg 28.1' N 11 deg 16.1' E SEG_17 Lat/Long Near Early: 16 deg 50.3' N 11 deg 52.5' E Lat/Long Far Early: 16 deg 28.1' N 11 deg 16.1' E GMT Center 1994/274:14:31:27.0 Lat/Long Center: 16 deg 16.3' N 11 deg 49.2' E Lat/Long Near Late: 16 deg 4.4' N 12 deg 22.3' E Lat/Long Far Late: 15 deg 42.3' N 11 deg 45.9' E SEG_18 Lat/Long Near Early: 16 deg 4.4' N 12 deg 22.3' E Lat/Long Far Early: 15 deg 42.3' N 11 deg 45.9' E GMT Center 1994/274:14:31:40.8 Lat/Long Center: 15 deg 30.3' N 12 deg 18.9' E Lat/Long Near Late: 15 deg 18.3' N 12 deg 51.8' E Lat/Long Far Late: 14 deg 56.4' N 12 deg 15.5' E SEG_19 Lat/Long Near Early: 15 deg 18.3' N 12 deg 51.8' E Lat/Long Far Early: 14 deg 56.4' N 12 deg 15.5' E GMT Center 1994/274:14:31:54.5 Lat/Long Center: 14 deg 44.3' N 12 deg 48.3' E Lat/Long Near Late: 14 deg 32.2' N 13 deg 21.0' E Lat/Long Far Late: 14 deg 10.4' N 12 deg 44.9' E SEG_20 Lat/Long Near Early: 14 deg 32.2' N 13 deg 21.0' E Lat/Long Far Early: 14 deg 10.4' N 12 deg 44.9' E GMT Center 1994/274:14:32:08.3 Lat/Long Center: 13 deg 58.2' N 13 deg 17.5' E Lat/Long Near Late: 13 deg 46.0' N 13 deg 50.0' E Lat/Long Far Late: 13 deg 24.3' N 13 deg 14.0' E SEG_21 Lat/Long Near Early: 13 deg 46.0' N 13 deg 50.0' E Lat/Long Far Early: 13 deg 24.3' N 13 deg 14.0' E GMT Center 1994/274:14:32:22.1 Lat/Long Center: 13 deg 12.0' N 13 deg 46.5' E Lat/Long Near Late: 12 deg 59.7' N 14 deg 18.8' E Lat/Long Far Late: 12 deg 38.1' N 13 deg 42.9' E SEG_22 Lat/Long Near Early: 12 deg 59.7' N 14 deg 18.8' E Lat/Long Far Early: 12 deg 38.1' N 13 deg 42.9' E GMT Center 1994/274:14:32:35.8 Lat/Long Center: 12 deg 25.7' N 14 deg 15.2' E Lat/Long Near Late: 12 deg 13.3' N 14 deg 47.4' E Lat/Long Far Late: 11 deg 51.8' N 14 deg 11.5' E SEG_23 Lat/Long Near Early: 12 deg 13.3' N 14 deg 47.4' E Lat/Long Far Early: 11 deg 51.8' N 14 deg 11.5' E GMT Center 1994/274:14:32:49.6 Lat/Long Center: 11 deg 39.4' N 14 deg 43.7' E Lat/Long Near Late: 11 deg 26.8' N 15 deg 15.8' E Lat/Long Far Late: 11 deg 5.5' N 14 deg 40.0' E SEG_24 Lat/Long Near Early: 11 deg 26.8' N 15 deg 15.8' E Lat/Long Far Early: 11 deg 5.5' N 14 deg 40.0' E GMT Center 1994/274:14:33:03.3 Lat/Long Center: 10 deg 52.9' N 15 deg 12.1' E Lat/Long Near Late: 10 deg 40.3' N 15 deg 44.0' E Lat/Long Far Late: 10 deg 19.1' N 15 deg 8.3' E SEG_25 Lat/Long Near Early: 10 deg 40.3' N 15 deg 44.0' E Lat/Long Far Early: 10 deg 19.1' N 15 deg 8.3' E GMT Center 1994/274:14:33:17.1 Lat/Long Center: 10 deg 6.4' N 15 deg 40.2' E Lat/Long Near Late: 9 deg 53.7' N 16 deg 12.1' E Lat/Long Far Late: 9 deg 32.6' N 15 deg 36.4' E SEG_26 Lat/Long Near Early: 9 deg 53.7' N 16 deg 12.1' E Lat/Long Far Early: 9 deg 32.6' N 15 deg 36.4' E GMT Center 1994/274:14:33:30.9 Lat/Long Center: 9 deg 19.9' N 16 deg 8.2' E Lat/Long Near Late: 9 deg 7.1' N 16 deg 39.9' E Lat/Long Far Late: 8 deg 46.0' N 16 deg 4.3' E SEG_27 Lat/Long Near Early: 9 deg 7.1' N 16 deg 39.9' E Lat/Long Far Early: 8 deg 46.0' N 16 deg 4.3' E GMT Center 1994/274:14:33:44.6 Lat/Long Center: 8 deg 33.2' N 16 deg 36.0' E Lat/Long Near Late: 8 deg 20.4' N 17 deg 7.7' E Lat/Long Far Late: 7 deg 59.4' N 16 deg 32.1' E SEG_28 Lat/Long Near Early: 8 deg 20.4' N 17 deg 7.7' E Lat/Long Far Early: 7 deg 59.4' N 16 deg 32.1' E GMT Center 1994/274:14:33:58.4 Lat/Long Center: 7 deg 46.5' N 17 deg 3.7' E Lat/Long Near Late: 7 deg 33.6' N 17 deg 35.3' E Lat/Long Far Late: 7 deg 12.7' N 16 deg 59.7' E SEG_29 Lat/Long Near Early: 7 deg 33.6' N 17 deg 35.3' E Lat/Long Far Early: 7 deg 12.7' N 16 deg 59.7' E GMT Center 1994/274:14:34:12.1 Lat/Long Center: 6 deg 59.8' N 17 deg 31.3' E Lat/Long Near Late: 6 deg 46.8' N 18 deg 2.7' E Lat/Long Far Late: 6 deg 26.0' N 17 deg 27.2' E SEG_30 Lat/Long Near Early: 6 deg 46.8' N 18 deg 2.7' E Lat/Long Far Early: 6 deg 26.0' N 17 deg 27.2' E GMT Center 1994/274:14:34:25.9 Lat/Long Center: 6 deg 13.0' N 17 deg 58.7' E Lat/Long Near Late: 5 deg 59.9' N 18 deg 30.1' E Lat/Long Far Late: 5 deg 39.2' N 17 deg 54.6' E SEG_31 Lat/Long Near Early: 5 deg 59.9' N 18 deg 30.1' E Lat/Long Far Early: 5 deg 39.2' N 17 deg 54.6' E GMT Center 1994/274:14:34:39.7 Lat/Long Center: 5 deg 26.1' N 18 deg 26.1' E Lat/Long Near Late: 5 deg 13.0' N 18 deg 57.4' E Lat/Long Far Late: 4 deg 52.3' N 18 deg 21.9' E SEG_32 Lat/Long Near Early: 5 deg 13.0' N 18 deg 57.4' E Lat/Long Far Early: 4 deg 52.3' N 18 deg 21.9' E GMT Center 1994/274:14:34:53.4 Lat/Long Center: 4 deg 39.3' N 18 deg 53.3' E Lat/Long Near Late: 4 deg 26.1' N 19 deg 24.5' E Lat/Long Far Late: 4 deg 5.5' N 18 deg 49.1' E SEG_33 Lat/Long Near Early: 4 deg 26.1' N 19 deg 24.5' E Lat/Long Far Early: 4 deg 5.5' N 18 deg 49.1' E GMT Center 1994/274:14:35:07.2 Lat/Long Center: 3 deg 52.3' N 19 deg 20.4' E Lat/Long Near Late: 3 deg 39.2' N 19 deg 51.6' E Lat/Long Far Late: 3 deg 18.5' N 19 deg 16.3' E SEG_34 Lat/Long Near Early: 3 deg 39.2' N 19 deg 51.6' E Lat/Long Far Early: 3 deg 18.5' N 19 deg 16.3' E GMT Center 1994/274:14:35:20.9 Lat/Long Center: 3 deg 5.4' N 19 deg 47.5' E Lat/Long Near Late: 2 deg 52.2' N 20 deg 18.7' E Lat/Long Far Late: 2 deg 31.6' N 19 deg 43.3' E SEG_35 Lat/Long Near Early: 2 deg 52.2' N 20 deg 18.7' E Lat/Long Far Early: 2 deg 31.6' N 19 deg 43.3' E GMT Center 1994/274:14:35:34.7 Lat/Long Center: 2 deg 18.4' N 20 deg 14.5' E Lat/Long Near Late: 2 deg 5.2' N 20 deg 45.7' E Lat/Long Far Late: 1 deg 44.6' N 20 deg 10.3' E SEG_36 Lat/Long Near Early: 2 deg 5.2' N 20 deg 45.7' E Lat/Long Far Early: 1 deg 44.6' N 20 deg 10.3' E GMT Center 1994/274:14:35:48.5 Lat/Long Center: 1 deg 31.4' N 20 deg 41.5' E Lat/Long Near Late: 1 deg 18.1' N 21 deg 12.6' E Lat/Long Far Late: 0 deg 57.6' N 20 deg 37.3' E SEG_37 Lat/Long Near Early: 1 deg 18.1' N 21 deg 12.6' E Lat/Long Far Early: 0 deg 57.6' N 20 deg 37.3' E GMT Center 1994/274:14:36:02.2 Lat/Long Center: 0 deg 44.4' N 21 deg 8.4' E Lat/Long Near Data End: 0 deg 53.7' N 21 deg 26.7' E Lat/Long Far Data End: 0 deg 33.2' N 20 deg 51.3' E