DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 72.70 Site Name: Galapagos Islands Site ID: GS1 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 16 / X-SAR Antenna Direction: Left 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: 1994/277:21:02:16.7 Data Take End GMT: 1994/277:21:06:01.9 Data Take Duration (min:sec): 3:47 Latitude at Start GMT: 5 deg 20.1' N Longitude at Start GMT: 94 deg 27.4' W Latitude at End GMT: 7 deg 29.2' S Longitude at End GMT: 87 deg 5.3' W Center Incidence Angle (deg): 23.8 Track Angle at Image Center: 150.1 deg E of True North Along-Track Image Size (km): 1637.4 Cross-Track Image Size (km): 30.4 Along-Track Resolution (m): 88 Cross-Track Resolution (m): 79 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): 8.2 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: 758 Product Generation Date: Oct 26, 1994 Processing Facility: JPL Processor S/W Version: 1.2.6 Available Standard Products: LHH, LVH, LHV, LVV, CHH, CVH, CHV, CVV, XVV Processing Run Number: 40200 Comments: SEG_01 Lat/Long Near Early: 5 deg 15.9' N 94 deg 34.6' W Lat/Long Far Early: 5 deg 24.2' N 94 deg 20.2' W GMT Center 1994/277:21:02:23.6 Lat/Long Center: 4 deg 56.6' N 94 deg 13.8' W Lat/Long Near Late: 4 deg 29.0' N 94 deg 7.4' W Lat/Long Far Late: 4 deg 37.2' N 93 deg 53.2' W SEG_02 Lat/Long Near Early: 4 deg 29.0' N 94 deg 7.4' W Lat/Long Far Early: 4 deg 37.2' N 93 deg 53.2' W GMT Center 1994/277:21:02:37.4 Lat/Long Center: 4 deg 9.6' N 93 deg 46.8' W Lat/Long Near Late: 3 deg 42.0' N 93 deg 40.4' W Lat/Long Far Late: 3 deg 50.2' N 93 deg 26.1' W SEG_03 Lat/Long Near Early: 3 deg 42.0' N 93 deg 40.4' W Lat/Long Far Early: 3 deg 50.2' N 93 deg 26.1' W GMT Center 1994/277:21:02:51.1 Lat/Long Center: 3 deg 22.6' N 93 deg 19.8' W Lat/Long Near Late: 2 deg 55.0' N 93 deg 13.4' W Lat/Long Far Late: 3 deg 3.2' N 92 deg 59.2' W SEG_04 Lat/Long Near Early: 2 deg 55.0' N 93 deg 13.4' W Lat/Long Far Early: 3 deg 3.2' N 92 deg 59.2' W GMT Center 1994/277:21:03:04.9 Lat/Long Center: 2 deg 35.6' N 92 deg 52.8' W Lat/Long Near Late: 2 deg 8.0' N 92 deg 46.5' W Lat/Long Far Late: 2 deg 16.2' N 92 deg 32.2' W SEG_05 Lat/Long Near Early: 2 deg 8.0' N 92 deg 46.5' W Lat/Long Far Early: 2 deg 16.2' N 92 deg 32.2' W GMT Center 1994/277:21:03:18.6 Lat/Long Center: 1 deg 48.6' N 92 deg 25.9' W Lat/Long Near Late: 1 deg 20.9' N 92 deg 19.5' W Lat/Long Far Late: 1 deg 29.2' N 92 deg 5.3' W SEG_06 Lat/Long Near Early: 1 deg 20.9' N 92 deg 19.5' W Lat/Long Far Early: 1 deg 29.2' N 92 deg 5.3' W GMT Center 1994/277:21:03:32.4 Lat/Long Center: 1 deg 1.5' N 91 deg 59.0' W Lat/Long Near Late: 0 deg 33.9' N 91 deg 52.6' W Lat/Long Far Late: 0 deg 42.1' N 91 deg 38.4' W SEG_07 Lat/Long Near Early: 0 deg 33.9' N 91 deg 52.6' W Lat/Long Far Early: 0 deg 42.1' N 91 deg 38.4' W GMT Center 1994/277:21:03:46.1 Lat/Long Center: 0 deg 14.5' N 91 deg 32.1' W Lat/Long Near Late: 0 deg 13.1' S 91 deg 25.8' W Lat/Long Far Late: 0 deg 4.9' S 91 deg 11.6' W SEG_08 Lat/Long Near Early: 0 deg 13.1' S 91 deg 25.8' W Lat/Long Far Early: 0 deg 4.9' S 91 deg 11.6' W GMT Center 1994/277:21:03:59.9 Lat/Long Center: 0 deg 32.5' S 91 deg 5.2' W Lat/Long Near Late: 1 deg 0.2' S 90 deg 58.9' W Lat/Long Far Late: 0 deg 51.9' S 90 deg 44.7' W SEG_09 Lat/Long Near Early: 1 deg 0.2' S 90 deg 58.9' W Lat/Long Far Early: 0 deg 51.9' S 90 deg 44.7' W GMT Center 1994/277:21:04:13.6 Lat/Long Center: 1 deg 19.5' S 90 deg 38.3' W Lat/Long Near Late: 1 deg 47.2' S 90 deg 32.0' W Lat/Long Far Late: 1 deg 38.9' S 90 deg 17.8' W SEG_10 Lat/Long Near Early: 1 deg 47.2' S 90 deg 32.0' W Lat/Long Far Early: 1 deg 38.9' S 90 deg 17.8' W GMT Center 1994/277:21:04:27.3 Lat/Long Center: 2 deg 6.6' S 90 deg 11.4' W Lat/Long Near Late: 2 deg 34.2' S 90 deg 5.0' W Lat/Long Far Late: 2 deg 25.9' S 89 deg 50.8' W SEG_11 Lat/Long Near Early: 2 deg 34.2' S 90 deg 5.0' W Lat/Long Far Early: 2 deg 25.9' S 89 deg 50.8' W GMT Center 1994/277:21:04:41.1 Lat/Long Center: 2 deg 53.6' S 89 deg 44.5' W Lat/Long Near Late: 3 deg 21.2' S 89 deg 38.1' W Lat/Long Far Late: 3 deg 12.9' S 89 deg 23.8' W SEG_12 Lat/Long Near Early: 3 deg 21.2' S 89 deg 38.1' W Lat/Long Far Early: 3 deg 12.9' S 89 deg 23.8' W GMT Center 1994/277:21:04:54.8 Lat/Long Center: 3 deg 40.5' S 89 deg 17.5' W Lat/Long Near Late: 4 deg 8.2' S 89 deg 11.1' W Lat/Long Far Late: 3 deg 59.9' S 88 deg 56.8' W SEG_13 Lat/Long Near Early: 4 deg 8.2' S 89 deg 11.1' W Lat/Long Far Early: 3 deg 59.9' S 88 deg 56.8' W GMT Center 1994/277:21:05:08.6 Lat/Long Center: 4 deg 27.5' S 88 deg 50.4' W Lat/Long Near Late: 4 deg 55.1' S 88 deg 44.0' W Lat/Long Far Late: 4 deg 46.8' S 88 deg 29.7' W SEG_14 Lat/Long Near Early: 4 deg 55.1' S 88 deg 44.0' W Lat/Long Far Early: 4 deg 46.8' S 88 deg 29.7' W GMT Center 1994/277:21:05:22.3 Lat/Long Center: 5 deg 14.4' S 88 deg 23.3' W Lat/Long Near Late: 5 deg 42.1' S 88 deg 16.9' W Lat/Long Far Late: 5 deg 33.7' S 88 deg 2.6' W SEG_15 Lat/Long Near Early: 5 deg 42.1' S 88 deg 16.9' W Lat/Long Far Early: 5 deg 33.7' S 88 deg 2.6' W GMT Center 1994/277:21:05:36.1 Lat/Long Center: 6 deg 1.4' S 87 deg 56.1' W Lat/Long Near Late: 6 deg 29.0' S 87 deg 49.7' W Lat/Long Far Late: 6 deg 20.6' S 87 deg 35.3' W SEG_16 Lat/Long Near Early: 6 deg 29.0' S 87 deg 49.7' W Lat/Long Far Early: 6 deg 20.6' S 87 deg 35.3' W GMT Center 1994/277:21:05:49.8 Lat/Long Center: 6 deg 48.2' S 87 deg 28.8' W Lat/Long Near Late: 7 deg 15.9' S 87 deg 22.4' W Lat/Long Far Late: 7 deg 7.4' S 87 deg 8.0' W SEG_17 Lat/Long Near Early: 7 deg 15.9' S 87 deg 22.4' W Lat/Long Far Early: 7 deg 7.4' S 87 deg 8.0' W Lat/Long Near Data End: 7 deg 33.4' S 87 deg 12.6' W Lat/Long Far Data End: 7 deg 25.0' S 86 deg 58.2' W