DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 40.50 Site Name: Galapagos Islands Site ID: GS1 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 14 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 8 Quantization Format: BFPQ Beam Spoiling Mode: 5 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: 1994/275:21:40:10.9 Data Take End GMT: 1994/275:21:43:56.2 Data Take Duration (min:sec): 3:47 Latitude at Start GMT: 5 deg 54.1' N Longitude at Start GMT: 94 deg 41.8' W Latitude at End GMT: 6 deg 55.9' S Longitude at End GMT: 87 deg 19.8' W Center Incidence Angle (deg): 23.3 Track Angle at Image Center: 150.1 deg E of True North Along-Track Image Size (km): 1638.4 Cross-Track Image Size (km): 68.8 Along-Track Resolution (m): 88 Cross-Track Resolution (m): 81 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): 7.6 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: 1526 Product Generation Date: Oct 25, 1994 Processing Facility: JPL Processor S/W Version: 1.2.5 Available Standard Products: LHH, LVH, LHV, LVV, XVV Processing Run Number: 40168 Comments: SEG_01 Lat/Long Near Early: 6 deg 3.6' N 94 deg 25.5' W Lat/Long Far Early: 5 deg 44.6' N 94 deg 58.0' W GMT Center 1994/275:21:40:17.8 Lat/Long Center: 5 deg 30.6' N 94 deg 28.2' W Lat/Long Near Late: 5 deg 16.6' N 93 deg 58.4' W Lat/Long Far Late: 4 deg 57.7' N 94 deg 30.8' W SEG_02 Lat/Long Near Early: 5 deg 16.6' N 93 deg 58.4' W Lat/Long Far Early: 4 deg 57.7' N 94 deg 30.8' W GMT Center 1994/275:21:40:31.6 Lat/Long Center: 4 deg 43.7' N 94 deg 1.1' W Lat/Long Near Late: 4 deg 29.6' N 93 deg 31.4' W Lat/Long Far Late: 4 deg 10.8' N 94 deg 3.7' W SEG_03 Lat/Long Near Early: 4 deg 29.6' N 93 deg 31.4' W Lat/Long Far Early: 4 deg 10.8' N 94 deg 3.7' W GMT Center 1994/275:21:40:45.3 Lat/Long Center: 3 deg 56.7' N 93 deg 34.1' W Lat/Long Near Late: 3 deg 42.6' N 93 deg 4.4' W Lat/Long Far Late: 3 deg 23.8' N 93 deg 36.7' W SEG_04 Lat/Long Near Early: 3 deg 42.6' N 93 deg 4.4' W Lat/Long Far Early: 3 deg 23.8' N 93 deg 36.7' W GMT Center 1994/275:21:40:59.1 Lat/Long Center: 3 deg 9.7' N 93 deg 7.1' W Lat/Long Near Late: 2 deg 55.6' N 92 deg 37.5' W Lat/Long Far Late: 2 deg 36.9' N 93 deg 9.7' W SEG_05 Lat/Long Near Early: 2 deg 55.6' N 92 deg 37.5' W Lat/Long Far Early: 2 deg 36.9' N 93 deg 9.7' W GMT Center 1994/275:21:41:12.8 Lat/Long Center: 2 deg 22.7' N 92 deg 40.1' W Lat/Long Near Late: 2 deg 8.5' N 92 deg 10.6' W Lat/Long Far Late: 1 deg 49.9' N 92 deg 42.8' W SEG_06 Lat/Long Near Early: 2 deg 8.5' N 92 deg 10.6' W Lat/Long Far Early: 1 deg 49.9' N 92 deg 42.8' W GMT Center 1994/275:21:41:26.6 Lat/Long Center: 1 deg 35.7' N 92 deg 13.2' W Lat/Long Near Late: 1 deg 21.5' N 91 deg 43.7' W Lat/Long Far Late: 1 deg 2.8' N 92 deg 15.9' W SEG_07 Lat/Long Near Early: 1 deg 21.5' N 91 deg 43.7' W Lat/Long Far Early: 1 deg 2.8' N 92 deg 15.9' W GMT Center 1994/275:21:41:40.3 Lat/Long Center: 0 deg 48.6' N 91 deg 46.3' W Lat/Long Near Late: 0 deg 34.4' N 91 deg 16.8' W Lat/Long Far Late: 0 deg 15.8' N 91 deg 49.0' W SEG_08 Lat/Long Near Early: 0 deg 34.4' N 91 deg 16.8' W Lat/Long Far Early: 0 deg 15.8' N 91 deg 49.0' W GMT Center 1994/275:21:41:54.1 Lat/Long Center: 0 deg 1.6' N 91 deg 19.5' W Lat/Long Near Late: 0 deg 12.6' S 90 deg 50.0' W Lat/Long Far Late: 0 deg 31.2' S 91 deg 22.1' W SEG_09 Lat/Long Near Early: 0 deg 12.6' S 90 deg 50.0' W Lat/Long Far Early: 0 deg 31.2' S 91 deg 22.1' W GMT Center 1994/275:21:42:07.8 Lat/Long Center: 0 deg 45.4' S 90 deg 52.6' W Lat/Long Near Late: 0 deg 59.6' S 90 deg 23.1' W Lat/Long Far Late: 1 deg 18.3' S 90 deg 55.2' W SEG_10 Lat/Long Near Early: 0 deg 59.6' S 90 deg 23.1' W Lat/Long Far Early: 1 deg 18.3' S 90 deg 55.2' W GMT Center 1994/275:21:42:21.6 Lat/Long Center: 1 deg 32.5' S 90 deg 25.7' W Lat/Long Near Late: 1 deg 46.7' S 89 deg 56.2' W Lat/Long Far Late: 2 deg 5.3' S 90 deg 28.3' W SEG_11 Lat/Long Near Early: 1 deg 46.7' S 89 deg 56.2' W Lat/Long Far Early: 2 deg 5.3' S 90 deg 28.3' W GMT Center 1994/275:21:42:35.3 Lat/Long Center: 2 deg 19.5' S 89 deg 58.8' W Lat/Long Near Late: 2 deg 33.7' S 89 deg 29.2' W Lat/Long Far Late: 2 deg 52.3' S 90 deg 1.4' W SEG_12 Lat/Long Near Early: 2 deg 33.7' S 89 deg 29.2' W Lat/Long Far Early: 2 deg 52.3' S 90 deg 1.4' W GMT Center 1994/275:21:42:49.1 Lat/Long Center: 3 deg 6.5' S 89 deg 31.9' W Lat/Long Near Late: 3 deg 20.7' S 89 deg 2.2' W Lat/Long Far Late: 3 deg 39.3' S 89 deg 34.5' W SEG_13 Lat/Long Near Early: 3 deg 20.7' S 89 deg 2.2' W Lat/Long Far Early: 3 deg 39.3' S 89 deg 34.5' W GMT Center 1994/275:21:43:02.8 Lat/Long Center: 3 deg 53.5' S 89 deg 4.9' W Lat/Long Near Late: 4 deg 7.7' S 88 deg 35.2' W Lat/Long Far Late: 4 deg 26.4' S 89 deg 7.5' W SEG_14 Lat/Long Near Early: 4 deg 7.7' S 88 deg 35.2' W Lat/Long Far Early: 4 deg 26.4' S 89 deg 7.5' W GMT Center 1994/275:21:43:16.6 Lat/Long Center: 4 deg 40.5' S 88 deg 37.8' W Lat/Long Near Late: 4 deg 54.6' S 88 deg 8.1' W Lat/Long Far Late: 5 deg 13.3' S 88 deg 40.5' W SEG_15 Lat/Long Near Early: 4 deg 54.6' S 88 deg 8.1' W Lat/Long Far Early: 5 deg 13.3' S 88 deg 40.5' W GMT Center 1994/275:21:43:30.3 Lat/Long Center: 5 deg 27.5' S 88 deg 10.7' W Lat/Long Near Late: 5 deg 41.5' S 87 deg 40.9' W Lat/Long Far Late: 6 deg 0.3' S 88 deg 13.4' W SEG_16 Lat/Long Near Early: 5 deg 41.5' S 87 deg 40.9' W Lat/Long Far Early: 6 deg 0.3' S 88 deg 13.4' W GMT Center 1994/275:21:43:44.1 Lat/Long Center: 6 deg 14.4' S 87 deg 43.5' W Lat/Long Near Late: 6 deg 28.4' S 87 deg 13.6' W Lat/Long Far Late: 6 deg 47.3' S 87 deg 46.2' W SEG_17 Lat/Long Near Early: 6 deg 28.4' S 87 deg 13.6' W Lat/Long Far Early: 6 deg 47.3' S 87 deg 46.2' W Lat/Long Near Data End: 6 deg 46.4' S 87 deg 3.5' W Lat/Long Far Data End: 7 deg 5.3' S 87 deg 36.1' W