DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 127.61 Site Name: Karakax Valley, China Site ID: G26 Mission ID: SRL-1 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 11 / 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): 1674.000 Frequency Band: L Carrier Frequency (GHz): 1.254 Wavelength (m): 0.239 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/107:05:58:55.9 Data Take End GMT: 1994/107:06:02:18.9 Data Take Duration (min:sec): 3:23 Latitude at Start GMT: 41 deg 2.6' N Longitude at Start GMT: 73 deg 5.1' E Latitude at End GMT: 31 deg 16.9' N Longitude at End GMT: 84 deg 10.9' E Center Incidence Angle (deg): 49.2 Track Angle at Image Center: 137.5 deg E of True North Along-Track Image Size (km): 1474.9 Cross-Track Image Size (km): 50.8 Along-Track Resolution (m): 72 Cross-Track Resolution (m): 84 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): 10.2 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 15 Bytes per Record: 2000 Records per Segment: 1166 Product Generation Date: Aug 12, 1994 Processing Facility: JPL Processor S/W Version: 1.2.4 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 10916 Comments: SEG_01 Lat/Long Near Early: 41 deg 12.7' N 73 deg 17.6' E Lat/Long Far Early: 40 deg 52.5' N 72 deg 52.7' E GMT Center 1994/107:05:59:02.7 Lat/Long Center: 40 deg 44.1' N 73 deg 30.9' E Lat/Long Near Late: 40 deg 35.6' N 74 deg 9.0' E Lat/Long Far Late: 40 deg 15.5' N 73 deg 44.0' E SEG_02 Lat/Long Near Early: 40 deg 35.6' N 74 deg 9.0' E Lat/Long Far Early: 40 deg 15.5' N 73 deg 44.0' E GMT Center 1994/107:05:59:16.5 Lat/Long Center: 40 deg 6.9' N 74 deg 21.8' E Lat/Long Near Late: 39 deg 58.0' N 74 deg 59.4' E Lat/Long Far Late: 39 deg 38.2' N 74 deg 34.4' E SEG_03 Lat/Long Near Early: 39 deg 58.0' N 74 deg 59.4' E Lat/Long Far Early: 39 deg 38.2' N 74 deg 34.4' E GMT Center 1994/107:05:59:30.3 Lat/Long Center: 39 deg 29.2' N 75 deg 11.6' E Lat/Long Near Late: 39 deg 19.9' N 75 deg 48.8' E Lat/Long Far Late: 39 deg 0.4' N 75 deg 23.7' E SEG_04 Lat/Long Near Early: 39 deg 19.9' N 75 deg 48.8' E Lat/Long Far Early: 39 deg 0.4' N 75 deg 23.7' E GMT Center 1994/107:05:59:44.0 Lat/Long Center: 38 deg 51.0' N 76 deg 0.5' E Lat/Long Near Late: 38 deg 41.5' N 76 deg 37.1' E Lat/Long Far Late: 38 deg 22.1' N 76 deg 12.1' E SEG_05 Lat/Long Near Early: 38 deg 41.5' N 76 deg 37.1' E Lat/Long Far Early: 38 deg 22.1' N 76 deg 12.1' E GMT Center 1994/107:05:59:57.8 Lat/Long Center: 38 deg 12.5' N 76 deg 48.4' E Lat/Long Near Late: 38 deg 2.6' N 77 deg 24.6' E Lat/Long Far Late: 37 deg 43.5' N 76 deg 59.5' E SEG_06 Lat/Long Near Early: 38 deg 2.6' N 77 deg 24.6' E Lat/Long Far Early: 37 deg 43.5' N 76 deg 59.5' E GMT Center 1994/107:06:00:11.6 Lat/Long Center: 37 deg 33.5' N 77 deg 35.4' E Lat/Long Near Late: 37 deg 23.3' N 78 deg 11.1' E Lat/Long Far Late: 37 deg 4.5' N 77 deg 46.0' E SEG_07 Lat/Long Near Early: 37 deg 23.3' N 78 deg 11.1' E Lat/Long Far Early: 37 deg 4.5' N 77 deg 46.0' E GMT Center 1994/107:06:00:25.3 Lat/Long Center: 36 deg 54.2' N 78 deg 21.5' E Lat/Long Near Late: 36 deg 43.7' N 78 deg 56.8' E Lat/Long Far Late: 36 deg 25.0' N 78 deg 31.7' E SEG_08 Lat/Long Near Early: 36 deg 43.7' N 78 deg 56.8' E Lat/Long Far Early: 36 deg 25.0' N 78 deg 31.7' E GMT Center 1994/107:06:00:39.1 Lat/Long Center: 36 deg 14.5' N 79 deg 6.7' E Lat/Long Near Late: 36 deg 3.7' N 79 deg 41.5' E Lat/Long Far Late: 35 deg 45.3' N 79 deg 16.5' E SEG_09 Lat/Long Near Early: 36 deg 3.7' N 79 deg 41.5' E Lat/Long Far Early: 35 deg 45.3' N 79 deg 16.5' E GMT Center 1994/107:06:00:52.9 Lat/Long Center: 35 deg 34.4' N 79 deg 51.1' E Lat/Long Near Late: 35 deg 23.4' N 80 deg 25.5' E Lat/Long Far Late: 35 deg 5.2' N 80 deg 0.4' E SEG_10 Lat/Long Near Early: 35 deg 23.4' N 80 deg 25.5' E Lat/Long Far Early: 35 deg 5.2' N 80 deg 0.4' E GMT Center 1994/107:06:01:06.6 Lat/Long Center: 34 deg 54.1' N 80 deg 34.6' E Lat/Long Near Late: 34 deg 42.8' N 81 deg 8.6' E Lat/Long Far Late: 34 deg 24.7' N 80 deg 43.6' E SEG_11 Lat/Long Near Early: 34 deg 42.8' N 81 deg 8.6' E Lat/Long Far Early: 34 deg 24.7' N 80 deg 43.6' E GMT Center 1994/107:06:01:20.4 Lat/Long Center: 34 deg 13.3' N 81 deg 17.4' E Lat/Long Near Late: 34 deg 1.8' N 81 deg 51.0' E Lat/Long Far Late: 33 deg 43.9' N 81 deg 26.0' E SEG_12 Lat/Long Near Early: 34 deg 1.8' N 81 deg 51.0' E Lat/Long Far Early: 33 deg 43.9' N 81 deg 26.0' E GMT Center 1994/107:06:01:34.1 Lat/Long Center: 33 deg 32.3' N 81 deg 59.4' E Lat/Long Near Late: 33 deg 20.5' N 82 deg 32.6' E Lat/Long Far Late: 33 deg 2.8' N 82 deg 7.7' E SEG_13 Lat/Long Near Early: 33 deg 20.5' N 82 deg 32.6' E Lat/Long Far Early: 33 deg 2.8' N 82 deg 7.7' E GMT Center 1994/107:06:01:47.9 Lat/Long Center: 32 deg 51.0' N 82 deg 40.7' E Lat/Long Near Late: 32 deg 38.9' N 83 deg 13.5' E Lat/Long Far Late: 32 deg 21.4' N 82 deg 48.6' E SEG_14 Lat/Long Near Early: 32 deg 38.9' N 83 deg 13.5' E Lat/Long Far Early: 32 deg 21.4' N 82 deg 48.6' E GMT Center 1994/107:06:02:01.7 Lat/Long Center: 32 deg 9.3' N 83 deg 21.2' E Lat/Long Near Late: 31 deg 57.1' N 83 deg 53.7' E Lat/Long Far Late: 31 deg 39.8' N 83 deg 28.8' E SEG_15 Lat/Long Near Early: 31 deg 57.1' N 83 deg 53.7' E Lat/Long Far Early: 31 deg 39.8' N 83 deg 28.8' E GMT Center 1994/107:06:02:15.4 Lat/Long Center: 31 deg 27.4' N 84 deg 1.1' E Lat/Long Near Data End: 31 deg 25.5' N 84 deg 23.3' E Lat/Long Far Data End: 31 deg 8.3' N 83 deg 58.5' E