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-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 8 / X-SAR Antenna Direction: Left Looking Orbit Direction: Ascending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 6 PRF (Hz): 1620.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/277:02:33:24.7 Data Take End GMT: 1994/277:02:42:40.0 Data Take Duration (min:sec): 9:17 Latitude at Start GMT: 1 deg 1.2' S Longitude at Start GMT: 7 deg 59.8' E Latitude at End GMT: 29 deg 59.6' N Longitude at End GMT: 28 deg 5.5' E Center Incidence Angle (deg): 27.8 Track Angle at Image Center: 31.0 deg E of True North Along-Track Image Size (km): 4039.8 Cross-Track Image Size (km): 106.4 Along-Track Resolution (m): 104 Cross-Track Resolution (m): 68 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): 10.6 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: 2278 Product Generation Date: Jan 10, 1995 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, CHH, XVV Processing Run Number: 40790 Comments: SEG_01 Lat/Long Near Early: 1 deg 14.7' S 8 deg 23.1' E Lat/Long Far Early: 0 deg 47.1' S 7 deg 35.5' E GMT Center 1994/277:02:33:31.6 Lat/Long Center: 0 deg 37.7' S 8 deg 13.3' E Lat/Long Near Late: 0 deg 27.7' S 8 deg 50.0' E Lat/Long Far Late: 0 deg 0.0' S 8 deg 2.4' E SEG_02 Lat/Long Near Early: 0 deg 27.7' S 8 deg 50.0' E Lat/Long Far Early: 0 deg 0.0' S 8 deg 2.4' E GMT Center 1994/277:02:33:45.4 Lat/Long Center: 0 deg 9.4' N 8 deg 40.2' E Lat/Long Near Late: 0 deg 19.4' N 9 deg 16.9' E Lat/Long Far Late: 0 deg 47.0' N 8 deg 29.3' E SEG_03 Lat/Long Near Early: 0 deg 19.4' N 9 deg 16.9' E Lat/Long Far Early: 0 deg 47.0' N 8 deg 29.3' E GMT Center 1994/277:02:33:59.1 Lat/Long Center: 0 deg 56.4' N 9 deg 7.1' E Lat/Long Near Late: 1 deg 6.5' N 9 deg 43.9' E Lat/Long Far Late: 1 deg 34.1' N 8 deg 56.2' E SEG_04 Lat/Long Near Early: 1 deg 6.5' N 9 deg 43.9' E Lat/Long Far Early: 1 deg 34.1' N 8 deg 56.2' E GMT Center 1994/277:02:34:12.9 Lat/Long Center: 1 deg 43.5' N 9 deg 34.0' E Lat/Long Near Late: 1 deg 53.5' N 10 deg 10.8' E Lat/Long Far Late: 2 deg 21.1' N 9 deg 23.1' E SEG_05 Lat/Long Near Early: 1 deg 53.5' N 10 deg 10.8' E Lat/Long Far Early: 2 deg 21.1' N 9 deg 23.1' E GMT Center 1994/277:02:34:26.6 Lat/Long Center: 2 deg 30.5' N 10 deg 0.9' E Lat/Long Near Late: 2 deg 40.5' N 10 deg 37.8' E Lat/Long Far Late: 3 deg 8.2' N 9 deg 50.0' E SEG_06 Lat/Long Near Early: 2 deg 40.5' N 10 deg 37.8' E Lat/Long Far Early: 3 deg 8.2' N 9 deg 50.0' E GMT Center 1994/277:02:34:40.3 Lat/Long Center: 3 deg 17.6' N 10 deg 27.9' E Lat/Long Near Late: 3 deg 27.5' N 11 deg 4.8' E Lat/Long Far Late: 3 deg 55.2' N 10 deg 16.9' E SEG_07 Lat/Long Near Early: 3 deg 27.5' N 11 deg 4.8' E Lat/Long Far Early: 3 deg 55.2' N 10 deg 16.9' E GMT Center 1994/277:02:34:54.1 Lat/Long Center: 4 deg 4.6' N 10 deg 54.9' E Lat/Long Near Late: 4 deg 14.5' N 11 deg 31.9' E Lat/Long Far Late: 4 deg 42.2' N 10 deg 43.9' E SEG_08 Lat/Long Near Early: 4 deg 14.5' N 11 deg 31.9' E Lat/Long Far Early: 4 deg 42.2' N 10 deg 43.9' E GMT Center 1994/277:02:35:07.8 Lat/Long Center: 4 deg 51.6' N 11 deg 22.0' E Lat/Long Near Late: 5 deg 1.5' N 11 deg 59.0' E Lat/Long Far Late: 5 deg 29.3' N 11 deg 11.0' E SEG_09 Lat/Long Near Early: 5 deg 1.5' N 11 deg 59.0' E Lat/Long Far Early: 5 deg 29.3' N 11 deg 11.0' E GMT Center 1994/277:02:35:21.6 Lat/Long Center: 5 deg 38.6' N 11 deg 49.1' E Lat/Long Near Late: 5 deg 48.4' N 12 deg 26.3' E Lat/Long Far Late: 6 deg 16.3' N 11 deg 38.1' E SEG_10 Lat/Long Near Early: 5 deg 48.4' N 12 deg 26.3' E Lat/Long Far Early: 6 deg 16.3' N 11 deg 38.1' E GMT Center 1994/277:02:35:35.3 Lat/Long Center: 6 deg 25.5' N 12 deg 16.3' E Lat/Long Near Late: 6 deg 35.3' N 12 deg 53.6' E Lat/Long Far Late: 7 deg 3.2' N 12 deg 5.3' E SEG_11 Lat/Long Near Early: 6 deg 35.3' N 12 deg 53.6' E Lat/Long Far Early: 7 deg 3.2' N 12 deg 5.3' E GMT Center 1994/277:02:35:49.1 Lat/Long Center: 7 deg 12.5' N 12 deg 43.6' E Lat/Long Near Late: 7 deg 22.1' N 13 deg 21.1' E Lat/Long Far Late: 7 deg 50.2' N 12 deg 32.6' E SEG_12 Lat/Long Near Early: 7 deg 22.1' N 13 deg 21.1' E Lat/Long Far Early: 7 deg 50.2' N 12 deg 32.6' E GMT Center 1994/277:02:36:02.8 Lat/Long Center: 7 deg 59.4' N 13 deg 11.0' E Lat/Long Near Late: 8 deg 8.9' N 13 deg 48.6' E Lat/Long Far Late: 8 deg 37.1' N 13 deg 0.0' E SEG_13 Lat/Long Near Early: 8 deg 8.9' N 13 deg 48.6' E Lat/Long Far Early: 8 deg 37.1' N 13 deg 0.0' E GMT Center 1994/277:02:36:16.6 Lat/Long Center: 8 deg 46.2' N 13 deg 38.5' E Lat/Long Near Late: 8 deg 55.7' N 14 deg 16.3' E Lat/Long Far Late: 9 deg 24.0' N 13 deg 27.5' E SEG_14 Lat/Long Near Early: 8 deg 55.7' N 14 deg 16.3' E Lat/Long Far Early: 9 deg 24.0' N 13 deg 27.5' E GMT Center 1994/277:02:36:30.3 Lat/Long Center: 9 deg 33.1' N 14 deg 6.1' E Lat/Long Near Late: 9 deg 42.4' N 14 deg 44.1' E Lat/Long Far Late: 10 deg 10.9' N 13 deg 55.2' E SEG_15 Lat/Long Near Early: 9 deg 42.4' N 14 deg 44.1' E Lat/Long Far Early: 10 deg 10.9' N 13 deg 55.2' E GMT Center 1994/277:02:36:44.0 Lat/Long Center: 10 deg 19.8' N 14 deg 33.9' E Lat/Long Near Late: 10 deg 29.1' N 15 deg 12.1' E Lat/Long Far Late: 10 deg 57.7' N 14 deg 22.9' E SEG_16 Lat/Long Near Early: 10 deg 29.1' N 15 deg 12.1' E Lat/Long Far Early: 10 deg 57.7' N 14 deg 22.9' E GMT Center 1994/277:02:36:57.8 Lat/Long Center: 11 deg 6.6' N 15 deg 1.8' E Lat/Long Near Late: 11 deg 15.7' N 15 deg 40.3' E Lat/Long Far Late: 11 deg 44.4' N 14 deg 50.8' E SEG_17 Lat/Long Near Early: 11 deg 15.7' N 15 deg 40.3' E Lat/Long Far Early: 11 deg 44.4' N 14 deg 50.8' E GMT Center 1994/277:02:37:11.5 Lat/Long Center: 11 deg 53.2' N 15 deg 29.9' E Lat/Long Near Late: 12 deg 2.2' N 16 deg 8.6' E Lat/Long Far Late: 12 deg 31.1' N 15 deg 18.9' E SEG_18 Lat/Long Near Early: 12 deg 2.2' N 16 deg 8.6' E Lat/Long Far Early: 12 deg 31.1' N 15 deg 18.9' E GMT Center 1994/277:02:37:25.3 Lat/Long Center: 12 deg 39.9' N 15 deg 58.2' E Lat/Long Near Late: 12 deg 48.6' N 16 deg 37.2' E Lat/Long Far Late: 13 deg 17.8' N 15 deg 47.2' E SEG_19 Lat/Long Near Early: 12 deg 48.6' N 16 deg 37.2' E Lat/Long Far Early: 13 deg 17.8' N 15 deg 47.2' E GMT Center 1994/277:02:37:39.0 Lat/Long Center: 13 deg 26.4' N 16 deg 26.6' E Lat/Long Near Late: 13 deg 35.0' N 17 deg 5.9' E Lat/Long Far Late: 14 deg 4.4' N 16 deg 15.6' E SEG_20 Lat/Long Near Early: 13 deg 35.0' N 17 deg 5.9' E Lat/Long Far Early: 14 deg 4.4' N 16 deg 15.6' E GMT Center 1994/277:02:37:52.8 Lat/Long Center: 14 deg 12.9' N 16 deg 55.3' E Lat/Long Near Late: 14 deg 21.3' N 17 deg 34.9' E Lat/Long Far Late: 14 deg 50.9' N 16 deg 44.3' E SEG_21 Lat/Long Near Early: 14 deg 21.3' N 17 deg 34.9' E Lat/Long Far Early: 14 deg 50.9' N 16 deg 44.3' E GMT Center 1994/277:02:38:06.5 Lat/Long Center: 14 deg 59.3' N 17 deg 24.1' E Lat/Long Near Late: 15 deg 7.5' N 18 deg 4.1' E Lat/Long Far Late: 15 deg 37.4' N 17 deg 13.1' E SEG_22 Lat/Long Near Early: 15 deg 7.5' N 18 deg 4.1' E Lat/Long Far Early: 15 deg 37.4' N 17 deg 13.1' E GMT Center 1994/277:02:38:20.3 Lat/Long Center: 15 deg 45.6' N 17 deg 53.2' E Lat/Long Near Late: 15 deg 53.6' N 18 deg 33.5' E Lat/Long Far Late: 16 deg 23.8' N 17 deg 42.2' E SEG_23 Lat/Long Near Early: 15 deg 53.6' N 18 deg 33.5' E Lat/Long Far Early: 16 deg 23.8' N 17 deg 42.2' E GMT Center 1994/277:02:38:34.0 Lat/Long Center: 16 deg 31.9' N 18 deg 22.5' E Lat/Long Near Late: 16 deg 39.7' N 19 deg 3.2' E Lat/Long Far Late: 17 deg 10.1' N 18 deg 11.6' E SEG_24 Lat/Long Near Early: 16 deg 39.7' N 19 deg 3.2' E Lat/Long Far Early: 17 deg 10.1' N 18 deg 11.6' E GMT Center 1994/277:02:38:47.8 Lat/Long Center: 17 deg 18.1' N 18 deg 52.1' E Lat/Long Near Late: 17 deg 25.6' N 19 deg 33.2' E Lat/Long Far Late: 17 deg 56.3' N 18 deg 41.2' E SEG_25 Lat/Long Near Early: 17 deg 25.6' N 19 deg 33.2' E Lat/Long Far Early: 17 deg 56.3' N 18 deg 41.2' E GMT Center 1994/277:02:39:01.5 Lat/Long Center: 18 deg 4.1' N 19 deg 22.0' E Lat/Long Near Late: 18 deg 11.4' N 20 deg 3.5' E Lat/Long Far Late: 18 deg 42.5' N 19 deg 11.0' E SEG_26 Lat/Long Near Early: 18 deg 11.4' N 20 deg 3.5' E Lat/Long Far Early: 18 deg 42.5' N 19 deg 11.0' E GMT Center 1994/277:02:39:15.2 Lat/Long Center: 18 deg 50.1' N 19 deg 52.1' E Lat/Long Near Late: 18 deg 57.1' N 20 deg 34.1' E Lat/Long Far Late: 19 deg 28.5' N 19 deg 41.2' E SEG_27 Lat/Long Near Early: 18 deg 57.1' N 20 deg 34.1' E Lat/Long Far Early: 19 deg 28.5' N 19 deg 41.2' E GMT Center 1994/277:02:39:29.0 Lat/Long Center: 19 deg 36.0' N 20 deg 22.5' E Lat/Long Near Late: 19 deg 42.6' N 21 deg 5.1' E Lat/Long Far Late: 20 deg 14.4' N 20 deg 11.6' E SEG_28 Lat/Long Near Early: 19 deg 42.6' N 21 deg 5.1' E Lat/Long Far Early: 20 deg 14.4' N 20 deg 11.6' E GMT Center 1994/277:02:39:42.7 Lat/Long Center: 20 deg 21.8' N 20 deg 53.3' E Lat/Long Near Late: 20 deg 28.1' N 21 deg 36.4' E Lat/Long Far Late: 21 deg 0.3' N 20 deg 42.4' E SEG_29 Lat/Long Near Early: 20 deg 28.1' N 21 deg 36.4' E Lat/Long Far Early: 21 deg 0.3' N 20 deg 42.4' E GMT Center 1994/277:02:39:56.5 Lat/Long Center: 21 deg 7.4' N 21 deg 24.4' E Lat/Long Near Late: 21 deg 13.4' N 22 deg 8.0' E Lat/Long Far Late: 21 deg 46.0' N 21 deg 13.5' E SEG_30 Lat/Long Near Early: 21 deg 13.4' N 22 deg 8.0' E Lat/Long Far Early: 21 deg 46.0' N 21 deg 13.5' E GMT Center 1994/277:02:40:10.2 Lat/Long Center: 21 deg 52.9' N 21 deg 55.8' E Lat/Long Near Late: 21 deg 58.5' N 22 deg 40.0' E Lat/Long Far Late: 22 deg 31.6' N 21 deg 45.0' E SEG_31 Lat/Long Near Early: 21 deg 58.5' N 22 deg 40.0' E Lat/Long Far Early: 22 deg 31.6' N 21 deg 45.0' E GMT Center 1994/277:02:40:24.0 Lat/Long Center: 22 deg 38.4' N 22 deg 27.6' E Lat/Long Near Late: 22 deg 43.6' N 23 deg 12.5' E Lat/Long Far Late: 23 deg 17.1' N 22 deg 16.8' E SEG_32 Lat/Long Near Early: 22 deg 43.6' N 23 deg 12.5' E Lat/Long Far Early: 23 deg 17.1' N 22 deg 16.8' E GMT Center 1994/277:02:40:37.7 Lat/Long Center: 23 deg 23.6' N 22 deg 59.8' E Lat/Long Near Late: 23 deg 28.4' N 23 deg 45.3' E Lat/Long Far Late: 24 deg 2.5' N 22 deg 49.0' E SEG_33 Lat/Long Near Early: 23 deg 28.4' N 23 deg 45.3' E Lat/Long Far Early: 24 deg 2.5' N 22 deg 49.0' E GMT Center 1994/277:02:40:51.5 Lat/Long Center: 24 deg 8.8' N 23 deg 32.4' E Lat/Long Near Late: 24 deg 13.1' N 24 deg 18.6' E Lat/Long Far Late: 24 deg 47.7' N 23 deg 21.6' E SEG_34 Lat/Long Near Early: 24 deg 13.1' N 24 deg 18.6' E Lat/Long Far Early: 24 deg 47.7' N 23 deg 21.6' E GMT Center 1994/277:02:41:05.2 Lat/Long Center: 24 deg 53.8' N 24 deg 5.3' E Lat/Long Near Late: 24 deg 57.6' N 24 deg 52.4' E Lat/Long Far Late: 25 deg 32.8' N 23 deg 54.7' E SEG_35 Lat/Long Near Early: 24 deg 57.6' N 24 deg 52.4' E Lat/Long Far Early: 25 deg 32.8' N 23 deg 54.7' E GMT Center 1994/277:02:41:18.9 Lat/Long Center: 25 deg 38.6' N 24 deg 38.8' E Lat/Long Near Late: 25 deg 41.9' N 25 deg 26.7' E Lat/Long Far Late: 26 deg 17.7' N 24 deg 28.1' E SEG_36 Lat/Long Near Early: 25 deg 41.9' N 25 deg 26.7' E Lat/Long Far Early: 26 deg 17.7' N 24 deg 28.1' E GMT Center 1994/277:02:41:32.7 Lat/Long Center: 26 deg 23.3' N 25 deg 12.7' E Lat/Long Near Late: 26 deg 25.9' N 26 deg 1.5' E Lat/Long Far Late: 27 deg 2.5' N 25 deg 2.1' E SEG_37 Lat/Long Near Early: 26 deg 25.9' N 26 deg 1.5' E Lat/Long Far Early: 27 deg 2.5' N 25 deg 2.1' E GMT Center 1994/277:02:41:46.4 Lat/Long Center: 27 deg 7.8' N 25 deg 47.0' E Lat/Long Near Late: 27 deg 9.8' N 26 deg 36.8' E Lat/Long Far Late: 27 deg 47.1' N 25 deg 36.5' E SEG_38 Lat/Long Near Early: 27 deg 9.8' N 26 deg 36.8' E Lat/Long Far Early: 27 deg 47.1' N 25 deg 36.5' E GMT Center 1994/277:02:42:00.2 Lat/Long Center: 27 deg 52.1' N 26 deg 21.9' E Lat/Long Near Late: 27 deg 53.4' N 27 deg 12.8' E Lat/Long Far Late: 28 deg 31.6' N 26 deg 11.4' E SEG_39 Lat/Long Near Early: 27 deg 53.4' N 27 deg 12.8' E Lat/Long Far Early: 28 deg 31.6' N 26 deg 11.4' E GMT Center 1994/277:02:42:13.9 Lat/Long Center: 28 deg 36.3' N 26 deg 57.2' E Lat/Long Near Late: 28 deg 36.8' N 27 deg 49.4' E Lat/Long Far Late: 29 deg 15.8' N 26 deg 46.8' E SEG_40 Lat/Long Near Early: 28 deg 36.8' N 27 deg 49.4' E Lat/Long Far Early: 29 deg 15.8' N 26 deg 46.8' E GMT Center 1994/277:02:42:27.7 Lat/Long Center: 29 deg 20.3' N 27 deg 33.1' E Lat/Long Near Late: 29 deg 19.8' N 28 deg 26.7' E Lat/Long Far Late: 29 deg 59.9' N 27 deg 22.8' E SEG_41 Lat/Long Near Early: 29 deg 19.8' N 28 deg 26.7' E Lat/Long Far Early: 29 deg 59.9' N 27 deg 22.8' E Lat/Long Near Data End: 29 deg 36.8' N 28 deg 41.5' E Lat/Long Far Data End: 30 deg 17.4' N 27 deg 36.9' E