DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 46.20 Site Name: Altai, China Site ID: G82 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 16 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 10 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1736.000 Frequency Band: L Carrier Frequency (GHz): 1.254 Wavelength (m): 0.239 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/276:06:17:44.9 Data Take End GMT: 1994/276:06:21:31.9 Data Take Duration (min:sec): 3:47 Latitude at Start GMT: 50 deg 11.9' N Longitude at Start GMT: 81 deg 5.7' E Latitude at End GMT: 41 deg 36.4' N Longitude at End GMT: 98 deg 21.4' E Center Incidence Angle (deg): 47.4 Track Angle at Image Center: 125.8 deg E of True North Along-Track Image Size (km): 1644.5 Cross-Track Image Size (km): 25.2 Along-Track Resolution (m): 76 Cross-Track Resolution (m): 87 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): 26.0 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 17 Bytes per Record: 2000 Records per Segment: 654 Product Generation Date: Jan 03, 1995 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, LVH, LHV, LVV, CHH, CVH, CHV, CVV, XVV Processing Run Number: 40708 Comments: SEG_01 Lat/Long Near Early: 50 deg 17.9' N 81 deg 10.8' E Lat/Long Far Early: 50 deg 5.8' N 81 deg 0.8' E GMT Center 1994/276:06:17:51.8 Lat/Long Center: 49 deg 59.2' N 81 deg 42.5' E Lat/Long Near Late: 49 deg 52.2' N 82 deg 24.1' E Lat/Long Far Late: 49 deg 40.2' N 82 deg 13.8' E SEG_02 Lat/Long Near Early: 49 deg 52.2' N 82 deg 24.1' E Lat/Long Far Early: 49 deg 40.2' N 82 deg 13.8' E GMT Center 1994/276:06:18:05.6 Lat/Long Center: 49 deg 33.1' N 82 deg 55.0' E Lat/Long Near Late: 49 deg 25.6' N 83 deg 36.0' E Lat/Long Far Late: 49 deg 13.8' N 83 deg 25.6' E SEG_03 Lat/Long Near Early: 49 deg 25.6' N 83 deg 36.0' E Lat/Long Far Early: 49 deg 13.8' N 83 deg 25.6' E GMT Center 1994/276:06:18:19.4 Lat/Long Center: 49 deg 6.1' N 84 deg 6.2' E Lat/Long Near Late: 48 deg 58.2' N 84 deg 46.6' E Lat/Long Far Late: 48 deg 46.5' N 84 deg 35.9' E SEG_04 Lat/Long Near Early: 48 deg 58.2' N 84 deg 46.6' E Lat/Long Far Early: 48 deg 46.5' N 84 deg 35.9' E GMT Center 1994/276:06:18:33.2 Lat/Long Center: 48 deg 38.4' N 85 deg 15.9' E Lat/Long Near Late: 48 deg 30.0' N 85 deg 55.7' E Lat/Long Far Late: 48 deg 18.4' N 85 deg 44.9' E SEG_05 Lat/Long Near Early: 48 deg 30.0' N 85 deg 55.7' E Lat/Long Far Early: 48 deg 18.4' N 85 deg 44.9' E GMT Center 1994/276:06:18:47.0 Lat/Long Center: 48 deg 9.8' N 86 deg 24.3' E Lat/Long Near Late: 48 deg 1.0' N 87 deg 3.5' E Lat/Long Far Late: 47 deg 49.5' N 86 deg 52.5' E SEG_06 Lat/Long Near Early: 48 deg 1.0' N 87 deg 3.5' E Lat/Long Far Early: 47 deg 49.5' N 86 deg 52.5' E GMT Center 1994/276:06:19:00.8 Lat/Long Center: 47 deg 40.5' N 87 deg 31.3' E Lat/Long Near Late: 47 deg 31.2' N 88 deg 10.0' E Lat/Long Far Late: 47 deg 19.9' N 87 deg 58.8' E SEG_07 Lat/Long Near Early: 47 deg 31.2' N 88 deg 10.0' E Lat/Long Far Early: 47 deg 19.9' N 87 deg 58.8' E GMT Center 1994/276:06:19:14.6 Lat/Long Center: 47 deg 10.4' N 88 deg 37.0' E Lat/Long Near Late: 47 deg 0.7' N 89 deg 15.1' E Lat/Long Far Late: 46 deg 49.5' N 89 deg 3.7' E SEG_08 Lat/Long Near Early: 47 deg 0.7' N 89 deg 15.1' E Lat/Long Far Early: 46 deg 49.5' N 89 deg 3.7' E GMT Center 1994/276:06:19:28.4 Lat/Long Center: 46 deg 39.6' N 89 deg 41.4' E Lat/Long Near Late: 46 deg 29.5' N 90 deg 18.8' E Lat/Long Far Late: 46 deg 18.5' N 90 deg 7.3' E SEG_09 Lat/Long Near Early: 46 deg 29.5' N 90 deg 18.8' E Lat/Long Far Early: 46 deg 18.5' N 90 deg 7.3' E GMT Center 1994/276:06:19:42.2 Lat/Long Center: 46 deg 8.2' N 90 deg 44.4' E Lat/Long Near Late: 45 deg 57.7' N 91 deg 21.3' E Lat/Long Far Late: 45 deg 46.7' N 91 deg 9.7' E SEG_10 Lat/Long Near Early: 45 deg 57.7' N 91 deg 21.3' E Lat/Long Far Early: 45 deg 46.7' N 91 deg 9.7' E GMT Center 1994/276:06:19:56.0 Lat/Long Center: 45 deg 36.0' N 91 deg 46.2' E Lat/Long Near Late: 45 deg 25.1' N 92 deg 22.5' E Lat/Long Far Late: 45 deg 14.3' N 92 deg 10.7' E SEG_11 Lat/Long Near Early: 45 deg 25.1' N 92 deg 22.5' E Lat/Long Far Early: 45 deg 14.3' N 92 deg 10.7' E GMT Center 1994/276:06:20:09.8 Lat/Long Center: 45 deg 3.3' N 92 deg 46.7' E Lat/Long Near Late: 44 deg 52.0' N 93 deg 22.4' E Lat/Long Far Late: 44 deg 41.3' N 93 deg 10.6' E SEG_12 Lat/Long Near Early: 44 deg 52.0' N 93 deg 22.4' E Lat/Long Far Early: 44 deg 41.3' N 93 deg 10.6' E GMT Center 1994/276:06:20:23.6 Lat/Long Center: 44 deg 29.9' N 93 deg 45.9' E Lat/Long Near Late: 44 deg 18.2' N 94 deg 21.1' E Lat/Long Far Late: 44 deg 7.7' N 94 deg 9.2' E SEG_13 Lat/Long Near Early: 44 deg 18.2' N 94 deg 21.1' E Lat/Long Far Early: 44 deg 7.7' N 94 deg 9.2' E GMT Center 1994/276:06:20:37.4 Lat/Long Center: 43 deg 55.9' N 94 deg 44.0' E Lat/Long Near Late: 43 deg 43.9' N 95 deg 18.5' E Lat/Long Far Late: 43 deg 33.5' N 95 deg 6.5' E SEG_14 Lat/Long Near Early: 43 deg 43.9' N 95 deg 18.5' E Lat/Long Far Early: 43 deg 33.5' N 95 deg 6.5' E GMT Center 1994/276:06:20:51.2 Lat/Long Center: 43 deg 21.3' N 95 deg 40.8' E Lat/Long Near Late: 43 deg 9.0' N 96 deg 14.8' E Lat/Long Far Late: 42 deg 58.7' N 96 deg 2.8' E SEG_15 Lat/Long Near Early: 43 deg 9.0' N 96 deg 14.8' E Lat/Long Far Early: 42 deg 58.7' N 96 deg 2.8' E GMT Center 1994/276:06:21:05.0 Lat/Long Center: 42 deg 46.2' N 96 deg 36.5' E Lat/Long Near Late: 42 deg 33.6' N 97 deg 9.9' E Lat/Long Far Late: 42 deg 23.4' N 96 deg 57.8' E SEG_16 Lat/Long Near Early: 42 deg 33.6' N 97 deg 9.9' E Lat/Long Far Early: 42 deg 23.4' N 96 deg 57.8' E GMT Center 1994/276:06:21:18.8 Lat/Long Center: 42 deg 10.6' N 97 deg 31.0' E Lat/Long Near Late: 41 deg 57.6' N 98 deg 3.9' E Lat/Long Far Late: 41 deg 47.5' N 97 deg 51.8' E SEG_17 Lat/Long Near Early: 41 deg 57.6' N 98 deg 3.9' E Lat/Long Far Early: 41 deg 47.5' N 97 deg 51.8' E Lat/Long Near Data End: 41 deg 41.4' N 98 deg 27.5' E Lat/Long Far Data End: 41 deg 31.4' N 98 deg 15.3' E