DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 77.20 Site Name: Fort Flatters, Sahara Site ID: G63 Mission ID: SRL-1 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 11 / X-SAR Antenna Direction: Right Looking Orbit Direction: Ascending Pulse Bandwidth (MHz): 10 Pulse Duration (micro sec): 34 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: 1994/104:03:38:03.8 Data Take End GMT: 1994/104:03:42:42.3 Data Take Duration (min:sec): 4:51 Latitude at Start GMT: 19 deg 4.8' N Longitude at Start GMT: 0 deg 19.0' W Latitude at End GMT: 33 deg 50.3' N Longitude at End GMT: 11 deg 40.5' E Center Incidence Angle (deg): 41.4 Track Angle at Image Center: 36.1 deg E of True North Along-Track Image Size (km): 2025.5 Cross-Track Image Size (km): 80.2 Along-Track Resolution (m): 105 Cross-Track Resolution (m): 97 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): 29.2 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: 1754 Product Generation Date: Aug 16, 1994 Processing Facility: JPL Processor S/W Version: 1.2.4 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 10991 Comments: SEG_01 Lat/Long Near Early: 19 deg 16.5' N 0 deg 37.9' W Lat/Long Far Early: 18 deg 53.1' N 0 deg 0.0' W GMT Center 1994/104:03:38:10.6 Lat/Long Center: 19 deg 27.5' N 0 deg 3.5' W Lat/Long Near Late: 20 deg 2.0' N 0 deg 6.8' W Lat/Long Far Late: 19 deg 38.4' N 0 deg 31.2' E SEG_02 Lat/Long Near Early: 20 deg 2.0' N 0 deg 6.8' W Lat/Long Far Early: 19 deg 38.4' N 0 deg 31.2' E GMT Center 1994/104:03:38:24.4 Lat/Long Center: 20 deg 12.9' N 0 deg 27.8' E Lat/Long Near Late: 20 deg 47.3' N 0 deg 24.6' E Lat/Long Far Late: 20 deg 23.6' N 1 deg 2.7' E SEG_03 Lat/Long Near Early: 20 deg 47.3' N 0 deg 24.6' E Lat/Long Far Early: 20 deg 23.6' N 1 deg 2.7' E GMT Center 1994/104:03:38:38.1 Lat/Long Center: 20 deg 58.1' N 0 deg 59.5' E Lat/Long Near Late: 21 deg 32.6' N 0 deg 56.4' E Lat/Long Far Late: 21 deg 8.6' N 1 deg 34.6' E SEG_04 Lat/Long Near Early: 21 deg 32.6' N 0 deg 56.4' E Lat/Long Far Early: 21 deg 8.6' N 1 deg 34.6' E GMT Center 1994/104:03:38:51.9 Lat/Long Center: 21 deg 43.1' N 1 deg 31.5' E Lat/Long Near Late: 22 deg 17.7' N 1 deg 28.5' E Lat/Long Far Late: 21 deg 53.5' N 2 deg 6.9' E SEG_05 Lat/Long Near Early: 22 deg 17.7' N 1 deg 28.5' E Lat/Long Far Early: 21 deg 53.5' N 2 deg 6.9' E GMT Center 1994/104:03:39:05.6 Lat/Long Center: 22 deg 28.1' N 2 deg 4.0' E Lat/Long Near Late: 23 deg 2.6' N 2 deg 1.1' E Lat/Long Far Late: 22 deg 38.2' N 2 deg 39.6' E SEG_06 Lat/Long Near Early: 23 deg 2.6' N 2 deg 1.1' E Lat/Long Far Early: 22 deg 38.2' N 2 deg 39.6' E GMT Center 1994/104:03:39:19.4 Lat/Long Center: 23 deg 12.8' N 2 deg 36.8' E Lat/Long Near Late: 23 deg 47.4' N 2 deg 34.0' E Lat/Long Far Late: 23 deg 22.8' N 3 deg 12.6' E SEG_07 Lat/Long Near Early: 23 deg 47.4' N 2 deg 34.0' E Lat/Long Far Early: 23 deg 22.8' N 3 deg 12.6' E GMT Center 1994/104:03:39:33.1 Lat/Long Center: 23 deg 57.4' N 3 deg 10.0' E Lat/Long Near Late: 24 deg 32.0' N 3 deg 7.4' E Lat/Long Far Late: 24 deg 7.2' N 3 deg 46.2' E SEG_08 Lat/Long Near Early: 24 deg 32.0' N 3 deg 7.4' E Lat/Long Far Early: 24 deg 7.2' N 3 deg 46.2' E GMT Center 1994/104:03:39:46.9 Lat/Long Center: 24 deg 41.8' N 3 deg 43.7' E Lat/Long Near Late: 25 deg 16.5' N 3 deg 41.3' E Lat/Long Far Late: 24 deg 51.5' N 4 deg 20.1' E SEG_09 Lat/Long Near Early: 25 deg 16.5' N 3 deg 41.3' E Lat/Long Far Early: 24 deg 51.5' N 4 deg 20.1' E GMT Center 1994/104:03:40:00.6 Lat/Long Center: 25 deg 26.1' N 4 deg 17.9' E Lat/Long Near Late: 26 deg 0.8' N 4 deg 15.6' E Lat/Long Far Late: 25 deg 35.5' N 4 deg 54.6' E SEG_10 Lat/Long Near Early: 26 deg 0.8' N 4 deg 15.6' E Lat/Long Far Early: 25 deg 35.5' N 4 deg 54.6' E GMT Center 1994/104:03:40:14.4 Lat/Long Center: 26 deg 10.2' N 4 deg 52.5' E Lat/Long Near Late: 26 deg 44.9' N 4 deg 50.3' E Lat/Long Far Late: 26 deg 19.4' N 5 deg 29.5' E SEG_11 Lat/Long Near Early: 26 deg 44.9' N 4 deg 50.3' E Lat/Long Far Early: 26 deg 19.4' N 5 deg 29.5' E GMT Center 1994/104:03:40:28.1 Lat/Long Center: 26 deg 54.1' N 5 deg 27.6' E Lat/Long Near Late: 27 deg 28.8' N 5 deg 25.6' E Lat/Long Far Late: 27 deg 3.0' N 6 deg 4.9' E SEG_12 Lat/Long Near Early: 27 deg 28.8' N 5 deg 25.6' E Lat/Long Far Early: 27 deg 3.0' N 6 deg 4.9' E GMT Center 1994/104:03:40:41.9 Lat/Long Center: 27 deg 37.7' N 6 deg 3.2' E Lat/Long Near Late: 28 deg 12.5' N 6 deg 1.4' E Lat/Long Far Late: 27 deg 46.5' N 6 deg 40.9' E SEG_13 Lat/Long Near Early: 28 deg 12.5' N 6 deg 1.4' E Lat/Long Far Early: 27 deg 46.5' N 6 deg 40.9' E GMT Center 1994/104:03:40:55.7 Lat/Long Center: 28 deg 21.2' N 6 deg 39.4' E Lat/Long Near Late: 28 deg 56.0' N 6 deg 37.8' E Lat/Long Far Late: 28 deg 29.7' N 7 deg 17.4' E SEG_14 Lat/Long Near Early: 28 deg 56.0' N 6 deg 37.8' E Lat/Long Far Early: 28 deg 29.7' N 7 deg 17.4' E GMT Center 1994/104:03:41:09.4 Lat/Long Center: 29 deg 4.5' N 7 deg 16.1' E Lat/Long Near Late: 29 deg 39.3' N 7 deg 14.7' E Lat/Long Far Late: 29 deg 12.8' N 7 deg 54.5' E SEG_15 Lat/Long Near Early: 29 deg 39.3' N 7 deg 14.7' E Lat/Long Far Early: 29 deg 12.8' N 7 deg 54.5' E GMT Center 1994/104:03:41:23.2 Lat/Long Center: 29 deg 47.5' N 7 deg 53.4' E Lat/Long Near Late: 30 deg 22.3' N 7 deg 52.3' E Lat/Long Far Late: 29 deg 55.5' N 8 deg 32.1' E SEG_16 Lat/Long Near Early: 30 deg 22.3' N 7 deg 52.3' E Lat/Long Far Early: 29 deg 55.5' N 8 deg 32.1' E GMT Center 1994/104:03:41:36.9 Lat/Long Center: 30 deg 30.3' N 8 deg 31.3' E Lat/Long Near Late: 31 deg 5.2' N 8 deg 30.4' E Lat/Long Far Late: 30 deg 38.1' N 9 deg 10.4' E SEG_17 Lat/Long Near Early: 31 deg 5.2' N 8 deg 30.4' E Lat/Long Far Early: 30 deg 38.1' N 9 deg 10.4' E GMT Center 1994/104:03:41:50.7 Lat/Long Center: 31 deg 12.9' N 9 deg 9.8' E Lat/Long Near Late: 31 deg 47.8' N 9 deg 9.2' E Lat/Long Far Late: 31 deg 20.4' N 9 deg 49.3' E SEG_18 Lat/Long Near Early: 31 deg 47.8' N 9 deg 9.2' E Lat/Long Far Early: 31 deg 20.4' N 9 deg 49.3' E GMT Center 1994/104:03:42:04.4 Lat/Long Center: 31 deg 55.2' N 9 deg 49.0' E Lat/Long Near Late: 32 deg 30.1' N 9 deg 48.6' E Lat/Long Far Late: 32 deg 2.4' N 10 deg 28.9' E SEG_19 Lat/Long Near Early: 32 deg 30.1' N 9 deg 48.6' E Lat/Long Far Early: 32 deg 2.4' N 10 deg 28.9' E GMT Center 1994/104:03:42:18.2 Lat/Long Center: 32 deg 37.2' N 10 deg 28.9' E Lat/Long Near Late: 33 deg 12.2' N 10 deg 28.7' E Lat/Long Far Late: 32 deg 44.1' N 11 deg 9.1' E SEG_20 Lat/Long Near Early: 33 deg 12.2' N 10 deg 28.7' E Lat/Long Far Early: 32 deg 44.1' N 11 deg 9.1' E GMT Center 1994/104:03:42:31.9 Lat/Long Center: 33 deg 19.0' N 11 deg 9.4' E Lat/Long Near Late: 33 deg 54.0' N 11 deg 9.5' E Lat/Long Far Late: 33 deg 25.6' N 11 deg 50.1' E SEG_21 Lat/Long Near Early: 33 deg 54.0' N 11 deg 9.5' E Lat/Long Far Early: 33 deg 25.6' N 11 deg 50.1' E Lat/Long Near Data End: 34 deg 4.6' N 11 deg 20.1' E Lat/Long Far Data End: 33 deg 36.2' N 12 deg 0.6' E