DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 141.30 Site Name: Beijing, China Site ID: G85 Mission ID: SRL-1 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: 0 PRF (Hz): 1674.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/108:02:38:09.7 Data Take End GMT: 1994/108:02:41:54.3 Data Take Duration (min:sec): 3:47 Latitude at Start GMT: 45 deg 9.4' N Longitude at Start GMT: 108 deg 43.8' E Latitude at End GMT: 35 deg 24.1' N Longitude at End GMT: 123 deg 0.4' E Center Incidence Angle (deg): 60.2 Track Angle at Image Center: 132.0 deg E of True North Along-Track Image Size (km): 1630.7 Cross-Track Image Size (km): 49.6 Along-Track Resolution (m): 93 Cross-Track Resolution (m): 37 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): 70.7 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: 1142 Product Generation Date: Sep 08, 1994 Processing Facility: JPL Processor S/W Version: 1.2.4 Available Standard Products: LHH, CHH, XVV Processing Run Number: 11151 Comments: SEG_01 Lat/Long Near Early: 45 deg 20.3' N 108 deg 55.0' E Lat/Long Far Early: 44 deg 58.4' N 108 deg 32.7' E GMT Center 1994/108:02:38:16.6 Lat/Long Center: 44 deg 53.6' N 109 deg 14.4' E Lat/Long Near Late: 44 deg 48.4' N 109 deg 56.0' E Lat/Long Far Late: 44 deg 26.8' N 109 deg 33.5' E SEG_02 Lat/Long Near Early: 44 deg 48.4' N 109 deg 56.0' E Lat/Long Far Early: 44 deg 26.8' N 109 deg 33.5' E GMT Center 1994/108:02:38:30.4 Lat/Long Center: 44 deg 21.5' N 110 deg 14.7' E Lat/Long Near Late: 44 deg 15.9' N 110 deg 55.8' E Lat/Long Far Late: 43 deg 54.5' N 110 deg 33.1' E SEG_03 Lat/Long Near Early: 44 deg 15.9' N 110 deg 55.8' E Lat/Long Far Early: 43 deg 54.5' N 110 deg 33.1' E GMT Center 1994/108:02:38:44.2 Lat/Long Center: 43 deg 48.8' N 111 deg 13.8' E Lat/Long Near Late: 43 deg 42.7' N 111 deg 54.4' E Lat/Long Far Late: 43 deg 21.6' N 111 deg 31.5' E SEG_04 Lat/Long Near Early: 43 deg 42.7' N 111 deg 54.4' E Lat/Long Far Early: 43 deg 21.6' N 111 deg 31.5' E GMT Center 1994/108:02:38:57.9 Lat/Long Center: 43 deg 15.5' N 112 deg 11.7' E Lat/Long Near Late: 43 deg 9.0' N 112 deg 51.8' E Lat/Long Far Late: 42 deg 48.1' N 112 deg 28.8' E SEG_05 Lat/Long Near Early: 43 deg 9.0' N 112 deg 51.8' E Lat/Long Far Early: 42 deg 48.1' N 112 deg 28.8' E GMT Center 1994/108:02:39:11.7 Lat/Long Center: 42 deg 41.6' N 113 deg 8.5' E Lat/Long Near Late: 42 deg 34.7' N 113 deg 48.1' E Lat/Long Far Late: 42 deg 14.1' N 113 deg 24.9' E SEG_06 Lat/Long Near Early: 42 deg 34.7' N 113 deg 48.1' E Lat/Long Far Early: 42 deg 14.1' N 113 deg 24.9' E GMT Center 1994/108:02:39:25.5 Lat/Long Center: 42 deg 7.1' N 114 deg 4.1' E Lat/Long Near Late: 41 deg 59.9' N 114 deg 43.2' E Lat/Long Far Late: 41 deg 39.5' N 114 deg 19.9' E SEG_07 Lat/Long Near Early: 41 deg 59.9' N 114 deg 43.2' E Lat/Long Far Early: 41 deg 39.5' N 114 deg 19.9' E GMT Center 1994/108:02:39:39.3 Lat/Long Center: 41 deg 32.1' N 114 deg 58.7' E Lat/Long Near Late: 41 deg 24.5' N 115 deg 37.3' E Lat/Long Far Late: 41 deg 4.3' N 115 deg 13.8' E SEG_08 Lat/Long Near Early: 41 deg 24.5' N 115 deg 37.3' E Lat/Long Far Early: 41 deg 4.3' N 115 deg 13.8' E GMT Center 1994/108:02:39:53.0 Lat/Long Center: 40 deg 56.6' N 115 deg 52.1' E Lat/Long Near Late: 40 deg 48.6' N 116 deg 30.3' E Lat/Long Far Late: 40 deg 28.7' N 116 deg 6.7' E SEG_09 Lat/Long Near Early: 40 deg 48.6' N 116 deg 30.3' E Lat/Long Far Early: 40 deg 28.7' N 116 deg 6.7' E GMT Center 1994/108:02:40:06.8 Lat/Long Center: 40 deg 20.6' N 116 deg 44.5' E Lat/Long Near Late: 40 deg 12.2' N 117 deg 22.2' E Lat/Long Far Late: 39 deg 52.5' N 116 deg 58.5' E SEG_10 Lat/Long Near Early: 40 deg 12.2' N 117 deg 22.2' E Lat/Long Far Early: 39 deg 52.5' N 116 deg 58.5' E GMT Center 1994/108:02:40:20.6 Lat/Long Center: 39 deg 44.1' N 117 deg 35.9' E Lat/Long Near Late: 39 deg 35.4' N 118 deg 13.1' E Lat/Long Far Late: 39 deg 15.9' N 117 deg 49.4' E SEG_11 Lat/Long Near Early: 39 deg 35.4' N 118 deg 13.1' E Lat/Long Far Early: 39 deg 15.9' N 117 deg 49.4' E GMT Center 1994/108:02:40:34.4 Lat/Long Center: 39 deg 7.1' N 118 deg 26.3' E Lat/Long Near Late: 38 deg 58.1' N 119 deg 3.0' E Lat/Long Far Late: 38 deg 38.8' N 118 deg 39.2' E SEG_12 Lat/Long Near Early: 38 deg 58.1' N 119 deg 3.0' E Lat/Long Far Early: 38 deg 38.8' N 118 deg 39.2' E GMT Center 1994/108:02:40:48.1 Lat/Long Center: 38 deg 29.7' N 119 deg 15.7' E Lat/Long Near Late: 38 deg 20.3' N 119 deg 52.0' E Lat/Long Far Late: 38 deg 1.3' N 119 deg 28.1' E SEG_13 Lat/Long Near Early: 38 deg 20.3' N 119 deg 52.0' E Lat/Long Far Early: 38 deg 1.3' N 119 deg 28.1' E GMT Center 1994/108:02:41:01.9 Lat/Long Center: 37 deg 51.8' N 120 deg 4.1' E Lat/Long Near Late: 37 deg 42.2' N 120 deg 40.0' E Lat/Long Far Late: 37 deg 23.3' N 120 deg 16.1' E SEG_14 Lat/Long Near Early: 37 deg 42.2' N 120 deg 40.0' E Lat/Long Far Early: 37 deg 23.3' N 120 deg 16.1' E GMT Center 1994/108:02:41:15.7 Lat/Long Center: 37 deg 13.6' N 120 deg 51.7' E Lat/Long Near Late: 37 deg 3.6' N 121 deg 27.1' E Lat/Long Far Late: 36 deg 44.9' N 121 deg 3.2' E SEG_15 Lat/Long Near Early: 37 deg 3.6' N 121 deg 27.1' E Lat/Long Far Early: 36 deg 44.9' N 121 deg 3.2' E GMT Center 1994/108:02:41:29.5 Lat/Long Center: 36 deg 34.9' N 121 deg 38.3' E Lat/Long Near Late: 36 deg 24.6' N 122 deg 13.3' E Lat/Long Far Late: 36 deg 6.2' N 121 deg 49.4' E SEG_16 Lat/Long Near Early: 36 deg 24.6' N 122 deg 13.3' E Lat/Long Far Early: 36 deg 6.2' N 121 deg 49.4' E GMT Center 1994/108:02:41:43.2 Lat/Long Center: 35 deg 55.8' N 122 deg 24.1' E Lat/Long Near Late: 35 deg 45.3' N 122 deg 58.7' E Lat/Long Far Late: 35 deg 27.0' N 122 deg 34.7' E SEG_17 Lat/Long Near Early: 35 deg 45.3' N 122 deg 58.7' E Lat/Long Far Early: 35 deg 27.0' N 122 deg 34.7' E Lat/Long Near Data End: 35 deg 33.2' N 123 deg 12.4' E Lat/Long Far Data End: 35 deg 14.9' N 122 deg 48.4' E