DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 60.10 Site Name: Siwa/Largeau, Sahara Chad Site ID: GS7 Mission ID: SRL-1 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 11 / X-SAR Antenna Direction: Left Looking Orbit Direction: Ascending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1395.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/103:02:22:31.8 Data Take End GMT: 1994/103:02:31:47.1 Data Take Duration (min:sec): 9:17 Latitude at Start GMT: 0 deg 48.0' S Longitude at Start GMT: 7 deg 35.0' E Latitude at End GMT: 30 deg 17.1' N Longitude at End GMT: 27 deg 37.6' E Center Incidence Angle (deg): 36.2 Track Angle at Image Center: 30.9 deg E of True North Along-Track Image Size (km): 4041.1 Cross-Track Image Size (km): 48.6 Along-Track Resolution (m): 98 Cross-Track Resolution (m): 54 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): 17.4 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 41 Bytes per Record: 2000 Records per Segment: 1122 Product Generation Date: Aug 30, 1994 Processing Facility: JPL Processor S/W Version: 1.2.4 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 10979 Comments: SEG_01 Lat/Long Near Early: 0 deg 54.4' S 7 deg 46.2' E Lat/Long Far Early: 0 deg 41.5' S 7 deg 23.8' E GMT Center 1994/103:02:22:38.7 Lat/Long Center: 0 deg 24.5' S 7 deg 48.5' E Lat/Long Near Late: 0 deg 7.4' S 8 deg 13.1' E Lat/Long Far Late: 0 deg 5.6' N 7 deg 50.7' E SEG_02 Lat/Long Near Early: 0 deg 7.4' S 8 deg 13.1' E Lat/Long Far Early: 0 deg 5.6' N 7 deg 50.7' E GMT Center 1994/103:02:22:52.5 Lat/Long Center: 0 deg 22.6' N 8 deg 15.4' E Lat/Long Near Late: 0 deg 39.6' N 8 deg 40.0' E Lat/Long Far Late: 0 deg 52.6' N 8 deg 17.6' E SEG_03 Lat/Long Near Early: 0 deg 39.6' N 8 deg 40.0' E Lat/Long Far Early: 0 deg 52.6' N 8 deg 17.6' E GMT Center 1994/103:02:23:06.2 Lat/Long Center: 1 deg 9.6' N 8 deg 42.3' E Lat/Long Near Late: 1 deg 26.7' N 9 deg 6.9' E Lat/Long Far Late: 1 deg 39.7' N 8 deg 44.5' E SEG_04 Lat/Long Near Early: 1 deg 26.7' N 9 deg 6.9' E Lat/Long Far Early: 1 deg 39.7' N 8 deg 44.5' E GMT Center 1994/103:02:23:19.9 Lat/Long Center: 1 deg 56.7' N 9 deg 9.2' E Lat/Long Near Late: 2 deg 13.8' N 9 deg 33.8' E Lat/Long Far Late: 2 deg 26.7' N 9 deg 11.4' E SEG_05 Lat/Long Near Early: 2 deg 13.8' N 9 deg 33.8' E Lat/Long Far Early: 2 deg 26.7' N 9 deg 11.4' E GMT Center 1994/103:02:23:33.7 Lat/Long Center: 2 deg 43.7' N 9 deg 36.1' E Lat/Long Near Late: 3 deg 0.8' N 10 deg 0.7' E Lat/Long Far Late: 3 deg 13.8' N 9 deg 38.3' E SEG_06 Lat/Long Near Early: 3 deg 0.8' N 10 deg 0.7' E Lat/Long Far Early: 3 deg 13.8' N 9 deg 38.3' E GMT Center 1994/103:02:23:47.4 Lat/Long Center: 3 deg 30.8' N 10 deg 3.0' E Lat/Long Near Late: 3 deg 47.8' N 10 deg 27.7' E Lat/Long Far Late: 4 deg 0.8' N 10 deg 5.3' E SEG_07 Lat/Long Near Early: 3 deg 47.8' N 10 deg 27.7' E Lat/Long Far Early: 4 deg 0.8' N 10 deg 5.3' E GMT Center 1994/103:02:24:01.2 Lat/Long Center: 4 deg 17.8' N 10 deg 30.0' E Lat/Long Near Late: 4 deg 34.9' N 10 deg 54.7' E Lat/Long Far Late: 4 deg 47.9' N 10 deg 32.2' E SEG_08 Lat/Long Near Early: 4 deg 34.9' N 10 deg 54.7' E Lat/Long Far Early: 4 deg 47.9' N 10 deg 32.2' E GMT Center 1994/103:02:24:14.9 Lat/Long Center: 5 deg 4.9' N 10 deg 57.0' E Lat/Long Near Late: 5 deg 21.9' N 11 deg 21.8' E Lat/Long Far Late: 5 deg 34.9' N 10 deg 59.3' E SEG_09 Lat/Long Near Early: 5 deg 21.9' N 11 deg 21.8' E Lat/Long Far Early: 5 deg 34.9' N 10 deg 59.3' E GMT Center 1994/103:02:24:28.6 Lat/Long Center: 5 deg 51.9' N 11 deg 24.1' E Lat/Long Near Late: 6 deg 8.9' N 11 deg 48.9' E Lat/Long Far Late: 6 deg 21.9' N 11 deg 26.4' E SEG_10 Lat/Long Near Early: 6 deg 8.9' N 11 deg 48.9' E Lat/Long Far Early: 6 deg 21.9' N 11 deg 26.4' E GMT Center 1994/103:02:24:42.4 Lat/Long Center: 6 deg 38.9' N 11 deg 51.3' E Lat/Long Near Late: 6 deg 55.8' N 12 deg 16.2' E Lat/Long Far Late: 7 deg 8.9' N 11 deg 53.6' E SEG_11 Lat/Long Near Early: 6 deg 55.8' N 12 deg 16.2' E Lat/Long Far Early: 7 deg 8.9' N 11 deg 53.6' E GMT Center 1994/103:02:24:56.1 Lat/Long Center: 7 deg 25.8' N 12 deg 18.5' E Lat/Long Near Late: 7 deg 42.8' N 12 deg 43.5' E Lat/Long Far Late: 7 deg 55.9' N 12 deg 20.9' E SEG_12 Lat/Long Near Early: 7 deg 42.8' N 12 deg 43.5' E Lat/Long Far Early: 7 deg 55.9' N 12 deg 20.9' E GMT Center 1994/103:02:25:09.9 Lat/Long Center: 8 deg 12.8' N 12 deg 45.9' E Lat/Long Near Late: 8 deg 29.7' N 13 deg 10.9' E Lat/Long Far Late: 8 deg 42.8' N 12 deg 48.2' E SEG_13 Lat/Long Near Early: 8 deg 29.7' N 13 deg 10.9' E Lat/Long Far Early: 8 deg 42.8' N 12 deg 48.2' E GMT Center 1994/103:02:25:23.6 Lat/Long Center: 8 deg 59.7' N 13 deg 13.3' E Lat/Long Near Late: 9 deg 16.6' N 13 deg 38.4' E Lat/Long Far Late: 9 deg 29.7' N 13 deg 15.7' E SEG_14 Lat/Long Near Early: 9 deg 16.6' N 13 deg 38.4' E Lat/Long Far Early: 9 deg 29.7' N 13 deg 15.7' E GMT Center 1994/103:02:25:37.3 Lat/Long Center: 9 deg 46.6' N 13 deg 40.9' E Lat/Long Near Late: 10 deg 3.4' N 14 deg 6.1' E Lat/Long Far Late: 10 deg 16.6' N 13 deg 43.3' E SEG_15 Lat/Long Near Early: 10 deg 3.4' N 14 deg 6.1' E Lat/Long Far Early: 10 deg 16.6' N 13 deg 43.3' E GMT Center 1994/103:02:25:51.1 Lat/Long Center: 10 deg 33.4' N 14 deg 8.6' E Lat/Long Near Late: 10 deg 50.2' N 14 deg 33.9' E Lat/Long Far Late: 11 deg 3.4' N 14 deg 11.1' E SEG_16 Lat/Long Near Early: 10 deg 50.2' N 14 deg 33.9' E Lat/Long Far Early: 11 deg 3.4' N 14 deg 11.1' E GMT Center 1994/103:02:26:04.8 Lat/Long Center: 11 deg 20.2' N 14 deg 36.5' E Lat/Long Near Late: 11 deg 36.9' N 15 deg 1.9' E Lat/Long Far Late: 11 deg 50.2' N 14 deg 39.0' E SEG_17 Lat/Long Near Early: 11 deg 36.9' N 15 deg 1.9' E Lat/Long Far Early: 11 deg 50.2' N 14 deg 39.0' E GMT Center 1994/103:02:26:18.6 Lat/Long Center: 12 deg 6.9' N 15 deg 4.5' E Lat/Long Near Late: 12 deg 23.6' N 15 deg 30.0' E Lat/Long Far Late: 12 deg 36.9' N 15 deg 7.0' E SEG_18 Lat/Long Near Early: 12 deg 23.6' N 15 deg 30.0' E Lat/Long Far Early: 12 deg 36.9' N 15 deg 7.0' E GMT Center 1994/103:02:26:32.3 Lat/Long Center: 12 deg 53.6' N 15 deg 32.6' E Lat/Long Near Late: 13 deg 10.2' N 15 deg 58.3' E Lat/Long Far Late: 13 deg 23.6' N 15 deg 35.3' E SEG_19 Lat/Long Near Early: 13 deg 10.2' N 15 deg 58.3' E Lat/Long Far Early: 13 deg 23.6' N 15 deg 35.3' E GMT Center 1994/103:02:26:46.0 Lat/Long Center: 13 deg 40.2' N 16 deg 1.0' E Lat/Long Near Late: 13 deg 56.8' N 16 deg 26.8' E Lat/Long Far Late: 14 deg 10.2' N 16 deg 3.7' E SEG_20 Lat/Long Near Early: 13 deg 56.8' N 16 deg 26.8' E Lat/Long Far Early: 14 deg 10.2' N 16 deg 3.7' E GMT Center 1994/103:02:26:59.8 Lat/Long Center: 14 deg 26.8' N 16 deg 29.5' E Lat/Long Near Late: 14 deg 43.3' N 16 deg 55.5' E Lat/Long Far Late: 14 deg 56.8' N 16 deg 32.3' E SEG_21 Lat/Long Near Early: 14 deg 43.3' N 16 deg 55.5' E Lat/Long Far Early: 14 deg 56.8' N 16 deg 32.3' E GMT Center 1994/103:02:27:13.5 Lat/Long Center: 15 deg 13.3' N 16 deg 58.3' E Lat/Long Near Late: 15 deg 29.7' N 17 deg 24.4' E Lat/Long Far Late: 15 deg 43.3' N 17 deg 1.1' E SEG_22 Lat/Long Near Early: 15 deg 29.7' N 17 deg 24.4' E Lat/Long Far Early: 15 deg 43.3' N 17 deg 1.1' E GMT Center 1994/103:02:27:27.3 Lat/Long Center: 15 deg 59.7' N 17 deg 27.3' E Lat/Long Near Late: 16 deg 16.1' N 17 deg 53.6' E Lat/Long Far Late: 16 deg 29.7' N 17 deg 30.2' E SEG_23 Lat/Long Near Early: 16 deg 16.1' N 17 deg 53.6' E Lat/Long Far Early: 16 deg 29.7' N 17 deg 30.2' E GMT Center 1994/103:02:27:41.0 Lat/Long Center: 16 deg 46.1' N 17 deg 56.5' E Lat/Long Near Late: 17 deg 2.3' N 18 deg 23.0' E Lat/Long Far Late: 17 deg 16.1' N 17 deg 59.5' E SEG_24 Lat/Long Near Early: 17 deg 2.3' N 18 deg 23.0' E Lat/Long Far Early: 17 deg 16.1' N 17 deg 59.5' E GMT Center 1994/103:02:27:54.7 Lat/Long Center: 17 deg 32.3' N 18 deg 26.0' E Lat/Long Near Late: 17 deg 48.5' N 18 deg 52.6' E Lat/Long Far Late: 18 deg 2.3' N 18 deg 29.0' E SEG_25 Lat/Long Near Early: 17 deg 48.5' N 18 deg 52.6' E Lat/Long Far Early: 18 deg 2.3' N 18 deg 29.0' E GMT Center 1994/103:02:28:08.5 Lat/Long Center: 18 deg 18.5' N 18 deg 55.7' E Lat/Long Near Late: 18 deg 34.6' N 19 deg 22.5' E Lat/Long Far Late: 18 deg 48.5' N 18 deg 58.9' E SEG_26 Lat/Long Near Early: 18 deg 34.6' N 19 deg 22.5' E Lat/Long Far Early: 18 deg 48.5' N 18 deg 58.9' E GMT Center 1994/103:02:28:22.2 Lat/Long Center: 19 deg 4.6' N 19 deg 25.7' E Lat/Long Near Late: 19 deg 20.6' N 19 deg 52.8' E Lat/Long Far Late: 19 deg 34.6' N 19 deg 29.0' E SEG_27 Lat/Long Near Early: 19 deg 20.6' N 19 deg 52.8' E Lat/Long Far Early: 19 deg 34.6' N 19 deg 29.0' E GMT Center 1994/103:02:28:36.0 Lat/Long Center: 19 deg 50.6' N 19 deg 56.1' E Lat/Long Near Late: 20 deg 6.5' N 20 deg 23.3' E Lat/Long Far Late: 20 deg 20.6' N 19 deg 59.4' E SEG_28 Lat/Long Near Early: 20 deg 6.5' N 20 deg 23.3' E Lat/Long Far Early: 20 deg 20.6' N 19 deg 59.4' E GMT Center 1994/103:02:28:49.7 Lat/Long Center: 20 deg 36.5' N 20 deg 26.7' E Lat/Long Near Late: 20 deg 52.3' N 20 deg 54.1' E Lat/Long Far Late: 21 deg 6.5' N 20 deg 30.1' E SEG_29 Lat/Long Near Early: 20 deg 52.3' N 20 deg 54.1' E Lat/Long Far Early: 21 deg 6.5' N 20 deg 30.1' E GMT Center 1994/103:02:29:03.5 Lat/Long Center: 21 deg 22.3' N 20 deg 57.6' E Lat/Long Near Late: 21 deg 37.9' N 21 deg 25.3' E Lat/Long Far Late: 21 deg 52.3' N 21 deg 1.2' E SEG_30 Lat/Long Near Early: 21 deg 37.9' N 21 deg 25.3' E Lat/Long Far Early: 21 deg 52.3' N 21 deg 1.2' E GMT Center 1994/103:02:29:17.2 Lat/Long Center: 22 deg 7.9' N 21 deg 28.9' E Lat/Long Near Late: 22 deg 23.5' N 21 deg 56.8' E Lat/Long Far Late: 22 deg 37.9' N 21 deg 32.6' E SEG_31 Lat/Long Near Early: 22 deg 23.5' N 21 deg 56.8' E Lat/Long Far Early: 22 deg 37.9' N 21 deg 32.6' E GMT Center 1994/103:02:29:30.9 Lat/Long Center: 22 deg 53.5' N 22 deg 0.6' E Lat/Long Near Late: 23 deg 8.9' N 22 deg 28.7' E Lat/Long Far Late: 23 deg 23.5' N 22 deg 4.4' E SEG_32 Lat/Long Near Early: 23 deg 8.9' N 22 deg 28.7' E Lat/Long Far Early: 23 deg 23.5' N 22 deg 4.4' E GMT Center 1994/103:02:29:44.7 Lat/Long Center: 23 deg 38.9' N 22 deg 32.6' E Lat/Long Near Late: 23 deg 54.2' N 23 deg 1.0' E Lat/Long Far Late: 24 deg 8.9' N 22 deg 36.5' E SEG_33 Lat/Long Near Early: 23 deg 54.2' N 23 deg 1.0' E Lat/Long Far Early: 24 deg 8.9' N 22 deg 36.5' E GMT Center 1994/103:02:29:58.4 Lat/Long Center: 24 deg 24.2' N 23 deg 5.0' E Lat/Long Near Late: 24 deg 39.4' N 23 deg 33.7' E Lat/Long Far Late: 24 deg 54.2' N 23 deg 9.1' E SEG_34 Lat/Long Near Early: 24 deg 39.4' N 23 deg 33.7' E Lat/Long Far Early: 24 deg 54.2' N 23 deg 9.1' E GMT Center 1994/103:02:30:12.2 Lat/Long Center: 25 deg 9.4' N 23 deg 37.8' E Lat/Long Near Late: 25 deg 24.4' N 24 deg 6.8' E Lat/Long Far Late: 25 deg 39.3' N 23 deg 42.1' E SEG_35 Lat/Long Near Early: 25 deg 24.4' N 24 deg 6.8' E Lat/Long Far Early: 25 deg 39.3' N 23 deg 42.1' E GMT Center 1994/103:02:30:25.9 Lat/Long Center: 25 deg 54.4' N 24 deg 11.1' E Lat/Long Near Late: 26 deg 9.2' N 24 deg 40.4' E Lat/Long Far Late: 26 deg 24.3' N 24 deg 15.5' E SEG_36 Lat/Long Near Early: 26 deg 9.2' N 24 deg 40.4' E Lat/Long Far Early: 26 deg 24.3' N 24 deg 15.5' E GMT Center 1994/103:02:30:39.6 Lat/Long Center: 26 deg 39.2' N 24 deg 44.8' E Lat/Long Near Late: 26 deg 53.9' N 25 deg 14.4' E Lat/Long Far Late: 27 deg 9.2' N 24 deg 49.4' E SEG_37 Lat/Long Near Early: 26 deg 53.9' N 25 deg 14.4' E Lat/Long Far Early: 27 deg 9.2' N 24 deg 49.4' E GMT Center 1994/103:02:30:53.4 Lat/Long Center: 27 deg 23.9' N 25 deg 19.0' E Lat/Long Near Late: 27 deg 38.5' N 25 deg 48.9' E Lat/Long Far Late: 27 deg 53.8' N 25 deg 23.8' E SEG_38 Lat/Long Near Early: 27 deg 38.5' N 25 deg 48.9' E Lat/Long Far Early: 27 deg 53.8' N 25 deg 23.8' E GMT Center 1994/103:02:31:07.1 Lat/Long Center: 28 deg 8.5' N 25 deg 53.7' E Lat/Long Near Late: 28 deg 22.8' N 26 deg 23.9' E Lat/Long Far Late: 28 deg 38.4' N 25 deg 58.6' E SEG_39 Lat/Long Near Early: 28 deg 22.8' N 26 deg 23.9' E Lat/Long Far Early: 28 deg 38.4' N 25 deg 58.6' E GMT Center 1994/103:02:31:20.9 Lat/Long Center: 28 deg 52.8' N 26 deg 28.9' E Lat/Long Near Late: 29 deg 7.0' N 26 deg 59.4' E Lat/Long Far Late: 29 deg 22.7' N 26 deg 34.0' E SEG_40 Lat/Long Near Early: 29 deg 7.0' N 26 deg 59.4' E Lat/Long Far Early: 29 deg 22.7' N 26 deg 34.0' E GMT Center 1994/103:02:31:34.6 Lat/Long Center: 29 deg 37.0' N 27 deg 4.6' E Lat/Long Near Late: 29 deg 51.0' N 27 deg 35.5' E Lat/Long Far Late: 30 deg 6.9' N 27 deg 9.9' E SEG_41 Lat/Long Near Early: 29 deg 51.0' N 27 deg 35.5' E Lat/Long Far Early: 30 deg 6.9' N 27 deg 9.9' E Lat/Long Near Data End: 30 deg 9.1' N 27 deg 50.5' E Lat/Long Far Data End: 30 deg 25.0' N 27 deg 24.9' E