DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 66.20 Site Name: Near ERS-1 SAR calib site Site ID: H11 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 11 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 17 Quantization Format: BFPQ Beam Spoiling Mode: 3 PRF (Hz): 1395.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/277:11:54:46.0 Data Take End GMT: 1994/277:11:56:01.8 Data Take Duration (min:sec): 1:17 Latitude at Start GMT: 48 deg 51.1' N Longitude at Start GMT: 4 deg 58.2' W Latitude at End GMT: 46 deg 1.4' N Longitude at End GMT: 0 deg 59.6' E Center Incidence Angle (deg): 39.3 Track Angle at Image Center: 124.8 deg E of True North Along-Track Image Size (km): 550.0 Cross-Track Image Size (km): 38.8 Along-Track Resolution (m): 107 Cross-Track Resolution (m): 50 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: 6 Bytes per Record: 2000 Records per Segment: 926 Product Generation Date: Dec 17, 1994 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 40644 Comments: SEG_01 Lat/Long Near Early: 49 deg 0.0' N 4 deg 49.6' W Lat/Long Far Early: 48 deg 42.2' N 5 deg 6.7' W GMT Center 1994/277:11:54:52.9 Lat/Long Center: 48 deg 36.6' N 4 deg 24.0' W Lat/Long Near Late: 48 deg 30.7' N 3 deg 41.4' W Lat/Long Far Late: 48 deg 13.1' N 3 deg 58.7' W SEG_02 Lat/Long Near Early: 48 deg 30.7' N 3 deg 41.4' W Lat/Long Far Early: 48 deg 13.1' N 3 deg 58.7' W GMT Center 1994/277:11:55:06.7 Lat/Long Center: 48 deg 7.0' N 3 deg 16.5' W Lat/Long Near Late: 48 deg 0.6' N 2 deg 34.5' W Lat/Long Far Late: 47 deg 43.2' N 2 deg 52.1' W SEG_03 Lat/Long Near Early: 48 deg 0.6' N 2 deg 34.5' W Lat/Long Far Early: 47 deg 43.2' N 2 deg 52.1' W GMT Center 1994/277:11:55:20.5 Lat/Long Center: 47 deg 36.6' N 2 deg 10.5' W Lat/Long Near Late: 47 deg 29.8' N 1 deg 29.1' W Lat/Long Far Late: 47 deg 12.6' N 1 deg 46.8' W SEG_04 Lat/Long Near Early: 47 deg 29.8' N 1 deg 29.1' W Lat/Long Far Early: 47 deg 12.6' N 1 deg 46.8' W GMT Center 1994/277:11:55:34.3 Lat/Long Center: 47 deg 5.5' N 1 deg 5.8' W Lat/Long Near Late: 46 deg 58.2' N 0 deg 25.0' W Lat/Long Far Late: 46 deg 41.3' N 0 deg 42.9' W SEG_05 Lat/Long Near Early: 46 deg 58.2' N 0 deg 25.0' W Lat/Long Far Early: 46 deg 41.3' N 0 deg 42.9' W GMT Center 1994/277:11:55:48.0 Lat/Long Center: 46 deg 33.8' N 0 deg 2.5' W Lat/Long Near Late: 46 deg 26.0' N 0 deg 37.8' E Lat/Long Far Late: 46 deg 9.3' N 0 deg 19.7' E SEG_06 Lat/Long Near Early: 46 deg 26.0' N 0 deg 37.8' E Lat/Long Far Early: 46 deg 9.3' N 0 deg 19.7' E GMT Center 1994/277:11:56:01.8 Lat/Long Center: 46 deg 1.4' N 0 deg 59.6' E Lat/Long Near Data End: 46 deg 9.7' N 1 deg 8.7' E Lat/Long Far Data End: 45 deg 53.0' N 0 deg 50.5' E