DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 135.42 Site Name: Salsipuedes, Yucatan Mexico Site ID: E57 Mission ID: SRL-1 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): 17 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1240.000 Frequency Band: L Carrier Frequency (GHz): 1.254 Wavelength (m): 0.239 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/107:17:54:24.8 Data Take End GMT: 1994/107:17:56:47.8 Data Take Duration (min:sec): 2:24 Latitude at Start GMT: 22 deg 55.7' N Longitude at Start GMT: 88 deg 4.1' W Latitude at End GMT: 15 deg 2.4' N Longitude at End GMT: 82 deg 42.6' W Center Incidence Angle (deg): 37.7 Track Angle at Image Center: 147.1 deg E of True North Along-Track Image Size (km): 1040.4 Cross-Track Image Size (km): 46.2 Along-Track Resolution (m): 87 Cross-Track Resolution (m): 105 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): 100.0 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 11 Bytes per Record: 2000 Records per Segment: 1074 Product Generation Date: Aug 03, 1994 Processing Facility: JPL Processor S/W Version: 1.2.4 Available Standard Products: LHH, LVH, LHV, LVV, CHH, CVH, CHV, CVV, XVV Processing Run Number: 10721 Comments: SEG_01 Lat/Long Near Early: 23 deg 2.8' N 87 deg 52.8' W Lat/Long Far Early: 22 deg 48.6' N 88 deg 15.3' W GMT Center 1994/107:17:54:31.7 Lat/Long Center: 22 deg 33.4' N 87 deg 47.8' W Lat/Long Near Late: 22 deg 17.8' N 87 deg 20.2' W Lat/Long Far Late: 22 deg 3.7' N 87 deg 42.7' W SEG_02 Lat/Long Near Early: 22 deg 17.8' N 87 deg 20.2' W Lat/Long Far Early: 22 deg 3.7' N 87 deg 42.7' W GMT Center 1994/107:17:54:45.4 Lat/Long Center: 21 deg 48.4' N 87 deg 15.4' W Lat/Long Near Late: 21 deg 32.9' N 86 deg 48.3' W Lat/Long Far Late: 21 deg 18.9' N 87 deg 10.7' W SEG_03 Lat/Long Near Early: 21 deg 32.9' N 86 deg 48.3' W Lat/Long Far Early: 21 deg 18.9' N 87 deg 10.7' W GMT Center 1994/107:17:54:59.2 Lat/Long Center: 21 deg 3.1' N 86 deg 43.4' W Lat/Long Near Late: 20 deg 47.6' N 86 deg 16.5' W Lat/Long Far Late: 20 deg 33.7' N 86 deg 38.8' W SEG_04 Lat/Long Near Early: 20 deg 47.6' N 86 deg 16.5' W Lat/Long Far Early: 20 deg 33.7' N 86 deg 38.8' W GMT Center 1994/107:17:55:12.9 Lat/Long Center: 20 deg 17.8' N 86 deg 11.7' W Lat/Long Near Late: 20 deg 2.1' N 85 deg 45.0' W Lat/Long Far Late: 19 deg 48.4' N 86 deg 7.3' W SEG_05 Lat/Long Near Early: 20 deg 2.1' N 85 deg 45.0' W Lat/Long Far Early: 19 deg 48.4' N 86 deg 7.3' W GMT Center 1994/107:17:55:26.7 Lat/Long Center: 19 deg 32.7' N 85 deg 40.7' W Lat/Long Near Late: 19 deg 16.5' N 85 deg 13.9' W Lat/Long Far Late: 19 deg 2.9' N 85 deg 36.1' W SEG_06 Lat/Long Near Early: 19 deg 16.5' N 85 deg 13.9' W Lat/Long Far Early: 19 deg 2.9' N 85 deg 36.1' W GMT Center 1994/107:17:55:40.4 Lat/Long Center: 18 deg 47.1' N 85 deg 9.7' W Lat/Long Near Late: 18 deg 31.1' N 84 deg 43.4' W Lat/Long Far Late: 18 deg 17.6' N 85 deg 5.5' W SEG_07 Lat/Long Near Early: 18 deg 31.1' N 84 deg 43.4' W Lat/Long Far Early: 18 deg 17.6' N 85 deg 5.5' W GMT Center 1994/107:17:55:54.1 Lat/Long Center: 18 deg 1.3' N 84 deg 39.0' W Lat/Long Near Late: 17 deg 45.3' N 84 deg 12.9' W Lat/Long Far Late: 17 deg 31.9' N 84 deg 34.9' W SEG_08 Lat/Long Near Early: 17 deg 45.3' N 84 deg 12.9' W Lat/Long Far Early: 17 deg 31.9' N 84 deg 34.9' W GMT Center 1994/107:17:56:07.9 Lat/Long Center: 17 deg 15.8' N 84 deg 8.9' W Lat/Long Near Late: 16 deg 59.4' N 83 deg 42.8' W Lat/Long Far Late: 16 deg 46.0' N 84 deg 4.7' W SEG_09 Lat/Long Near Early: 16 deg 59.4' N 83 deg 42.8' W Lat/Long Far Early: 16 deg 46.0' N 84 deg 4.7' W GMT Center 1994/107:17:56:21.6 Lat/Long Center: 16 deg 29.9' N 83 deg 38.9' W Lat/Long Near Late: 16 deg 13.7' N 83 deg 13.1' W Lat/Long Far Late: 16 deg 0.4' N 83 deg 35.0' W SEG_10 Lat/Long Near Early: 16 deg 13.7' N 83 deg 13.1' W Lat/Long Far Early: 16 deg 0.4' N 83 deg 35.0' W GMT Center 1994/107:17:56:35.3 Lat/Long Center: 15 deg 43.8' N 83 deg 9.1' W Lat/Long Near Late: 15 deg 27.5' N 82 deg 43.5' W Lat/Long Far Late: 15 deg 14.3' N 83 deg 5.3' W SEG_11 Lat/Long Near Early: 15 deg 27.5' N 82 deg 43.5' W Lat/Long Far Early: 15 deg 14.3' N 83 deg 5.3' W Lat/Long Near Data End: 15 deg 9.0' N 82 deg 31.7' W Lat/Long Far Data End: 14 deg 55.8' N 82 deg 53.5' W