DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 55.80 Site Name: Weddell Sea Site ID: N59 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 16 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 17 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1488.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/276:20:13:24.9 Data Take End GMT: 1994/276:20:19:11.5 Data Take Duration (min:sec): 5:47 Latitude at Start GMT: 56 deg 22.4' S Longitude at Start GMT: 6 deg 13.8' W Latitude at End GMT: 56 deg 43.4' S Longitude at End GMT: 35 deg 19.9' E Center Incidence Angle (deg): 32.0 Track Angle at Image Center: 91.1 deg E of True North Along-Track Image Size (km): 2510.5 Cross-Track Image Size (km): 19.0 Along-Track Resolution (m): 107 Cross-Track Resolution (m): 60 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): 78.8 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 26 Bytes per Record: 2000 Records per Segment: 530 Product Generation Date: Dec 12, 1994 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, LVH, LHV, LVV, CHH, CVH, CHV, CVV, XVV Processing Run Number: 40564 Comments: SEG_01 Lat/Long Near Early: 56 deg 17.7' S 6 deg 10.8' W Lat/Long Far Early: 56 deg 27.2' S 6 deg 16.8' W GMT Center 1994/276:20:13:31.8 Lat/Long Center: 56 deg 31.2' S 5 deg 27.7' W Lat/Long Near Late: 56 deg 34.8' S 4 deg 38.4' W Lat/Long Far Late: 56 deg 44.5' S 4 deg 44.0' W SEG_02 Lat/Long Near Early: 56 deg 34.8' S 4 deg 38.4' W Lat/Long Far Early: 56 deg 44.5' S 4 deg 44.0' W GMT Center 1994/276:20:13:45.6 Lat/Long Center: 56 deg 47.8' S 3 deg 54.4' W Lat/Long Near Late: 56 deg 50.8' S 3 deg 4.5' W Lat/Long Far Late: 57 deg 0.5' S 3 deg 9.8' W SEG_03 Lat/Long Near Early: 56 deg 50.8' S 3 deg 4.5' W Lat/Long Far Early: 57 deg 0.5' S 3 deg 9.8' W GMT Center 1994/276:20:13:59.4 Lat/Long Center: 57 deg 3.2' S 2 deg 19.7' W Lat/Long Near Late: 57 deg 5.5' S 1 deg 29.4' W Lat/Long Far Late: 57 deg 15.3' S 1 deg 34.3' W SEG_04 Lat/Long Near Early: 57 deg 5.5' S 1 deg 29.4' W Lat/Long Far Early: 57 deg 15.3' S 1 deg 34.3' W GMT Center 1994/276:20:14:13.2 Lat/Long Center: 57 deg 17.3' S 0 deg 43.7' W Lat/Long Near Late: 57 deg 19.0' S 0 deg 7.0' E Lat/Long Far Late: 57 deg 28.8' S 0 deg 2.5' E SEG_05 Lat/Long Near Early: 57 deg 19.0' S 0 deg 7.0' E Lat/Long Far Early: 57 deg 28.8' S 0 deg 2.5' E GMT Center 1994/276:20:14:27.0 Lat/Long Center: 57 deg 30.1' S 0 deg 53.5' E Lat/Long Near Late: 57 deg 31.1' S 1 deg 44.5' E Lat/Long Far Late: 57 deg 41.0' S 1 deg 40.5' E SEG_06 Lat/Long Near Early: 57 deg 31.1' S 1 deg 44.5' E Lat/Long Far Early: 57 deg 41.0' S 1 deg 40.5' E GMT Center 1994/276:20:14:40.8 Lat/Long Center: 57 deg 41.6' S 2 deg 31.8' E Lat/Long Near Late: 57 deg 41.9' S 3 deg 23.1' E Lat/Long Far Late: 57 deg 51.8' S 3 deg 19.5' E SEG_07 Lat/Long Near Early: 57 deg 41.9' S 3 deg 23.1' E Lat/Long Far Early: 57 deg 51.8' S 3 deg 19.5' E GMT Center 1994/276:20:14:54.6 Lat/Long Center: 57 deg 51.7' S 4 deg 11.1' E Lat/Long Near Late: 57 deg 51.3' S 5 deg 2.6' E Lat/Long Far Late: 58 deg 1.3' S 4 deg 59.5' E SEG_08 Lat/Long Near Early: 57 deg 51.3' S 5 deg 2.6' E Lat/Long Far Early: 58 deg 1.3' S 4 deg 59.5' E GMT Center 1994/276:20:15:08.5 Lat/Long Center: 58 deg 0.5' S 5 deg 51.3' E Lat/Long Near Late: 57 deg 59.3' S 6 deg 43.0' E Lat/Long Far Late: 58 deg 9.4' S 6 deg 40.4' E SEG_09 Lat/Long Near Early: 57 deg 59.3' S 6 deg 43.0' E Lat/Long Far Early: 58 deg 9.4' S 6 deg 40.4' E GMT Center 1994/276:20:15:22.3 Lat/Long Center: 58 deg 7.9' S 7 deg 32.2' E Lat/Long Near Late: 58 deg 6.0' S 8 deg 24.0' E Lat/Long Far Late: 58 deg 16.1' S 8 deg 21.9' E SEG_10 Lat/Long Near Early: 58 deg 6.0' S 8 deg 24.0' E Lat/Long Far Early: 58 deg 16.1' S 8 deg 21.9' E GMT Center 1994/276:20:15:36.1 Lat/Long Center: 58 deg 13.8' S 9 deg 13.9' E Lat/Long Near Late: 58 deg 11.2' S 10 deg 5.7' E Lat/Long Far Late: 58 deg 21.4' S 10 deg 4.0' E SEG_11 Lat/Long Near Early: 58 deg 11.2' S 10 deg 5.7' E Lat/Long Far Early: 58 deg 21.4' S 10 deg 4.0' E GMT Center 1994/276:20:15:49.9 Lat/Long Center: 58 deg 18.4' S 10 deg 56.0' E Lat/Long Near Late: 58 deg 15.0' S 11 deg 47.8' E Lat/Long Far Late: 58 deg 25.2' S 11 deg 46.6' E SEG_12 Lat/Long Near Early: 58 deg 15.0' S 11 deg 47.8' E Lat/Long Far Early: 58 deg 25.2' S 11 deg 46.6' E GMT Center 1994/276:20:16:03.7 Lat/Long Center: 58 deg 21.5' S 12 deg 38.5' E Lat/Long Near Late: 58 deg 17.4' S 13 deg 30.1' E Lat/Long Far Late: 58 deg 27.6' S 13 deg 29.5' E SEG_13 Lat/Long Near Early: 58 deg 17.4' S 13 deg 30.1' E Lat/Long Far Early: 58 deg 27.6' S 13 deg 29.5' E GMT Center 1994/276:20:16:17.5 Lat/Long Center: 58 deg 23.2' S 14 deg 21.2' E Lat/Long Near Late: 58 deg 18.4' S 15 deg 12.7' E Lat/Long Far Late: 58 deg 28.6' S 15 deg 12.6' E SEG_14 Lat/Long Near Early: 58 deg 18.4' S 15 deg 12.7' E Lat/Long Far Early: 58 deg 28.6' S 15 deg 12.6' E GMT Center 1994/276:20:16:31.3 Lat/Long Center: 58 deg 23.4' S 16 deg 4.1' E Lat/Long Near Late: 58 deg 17.9' S 16 deg 55.2' E Lat/Long Far Late: 58 deg 28.1' S 16 deg 55.7' E SEG_15 Lat/Long Near Early: 58 deg 17.9' S 16 deg 55.2' E Lat/Long Far Early: 58 deg 28.1' S 16 deg 55.7' E GMT Center 1994/276:20:16:45.1 Lat/Long Center: 58 deg 22.2' S 17 deg 46.8' E Lat/Long Near Late: 58 deg 16.0' S 18 deg 37.7' E Lat/Long Far Late: 58 deg 26.2' S 18 deg 38.6' E SEG_16 Lat/Long Near Early: 58 deg 16.0' S 18 deg 37.7' E Lat/Long Far Early: 58 deg 26.2' S 18 deg 38.6' E GMT Center 1994/276:20:16:58.9 Lat/Long Center: 58 deg 19.6' S 19 deg 29.4' E Lat/Long Near Late: 58 deg 12.7' S 20 deg 19.9' E Lat/Long Far Late: 58 deg 22.8' S 20 deg 21.4' E SEG_17 Lat/Long Near Early: 58 deg 12.7' S 20 deg 19.9' E Lat/Long Far Early: 58 deg 22.8' S 20 deg 21.4' E GMT Center 1994/276:20:17:12.7 Lat/Long Center: 58 deg 15.5' S 21 deg 11.7' E Lat/Long Near Late: 58 deg 7.9' S 22 deg 1.7' E Lat/Long Far Late: 58 deg 18.0' S 22 deg 3.7' E SEG_18 Lat/Long Near Early: 58 deg 7.9' S 22 deg 1.7' E Lat/Long Far Early: 58 deg 18.0' S 22 deg 3.7' E GMT Center 1994/276:20:17:26.5 Lat/Long Center: 58 deg 10.0' S 22 deg 53.5' E Lat/Long Near Late: 58 deg 1.7' S 23 deg 43.0' E Lat/Long Far Late: 58 deg 11.8' S 23 deg 45.4' E SEG_19 Lat/Long Near Early: 58 deg 1.7' S 23 deg 43.0' E Lat/Long Far Early: 58 deg 11.8' S 23 deg 45.4' E GMT Center 1994/276:20:17:40.3 Lat/Long Center: 58 deg 3.1' S 24 deg 34.7' E Lat/Long Near Late: 57 deg 54.1' S 25 deg 23.6' E Lat/Long Far Late: 58 deg 4.2' S 25 deg 26.5' E SEG_20 Lat/Long Near Early: 57 deg 54.1' S 25 deg 23.6' E Lat/Long Far Early: 58 deg 4.2' S 25 deg 26.5' E GMT Center 1994/276:20:17:54.1 Lat/Long Center: 57 deg 54.8' S 26 deg 15.2' E Lat/Long Near Late: 57 deg 45.1' S 27 deg 3.4' E Lat/Long Far Late: 57 deg 55.1' S 27 deg 6.8' E SEG_21 Lat/Long Near Early: 57 deg 45.1' S 27 deg 3.4' E Lat/Long Far Early: 57 deg 55.1' S 27 deg 6.8' E GMT Center 1994/276:20:18:07.9 Lat/Long Center: 57 deg 45.1' S 27 deg 54.8' E Lat/Long Near Late: 57 deg 34.8' S 28 deg 42.3' E Lat/Long Far Late: 57 deg 44.7' S 28 deg 46.2' E SEG_22 Lat/Long Near Early: 57 deg 34.8' S 28 deg 42.3' E Lat/Long Far Early: 57 deg 44.7' S 28 deg 46.2' E GMT Center 1994/276:20:18:21.8 Lat/Long Center: 57 deg 34.1' S 29 deg 33.4' E Lat/Long Near Late: 57 deg 23.1' S 30 deg 20.2' E Lat/Long Far Late: 57 deg 33.0' S 30 deg 24.5' E SEG_23 Lat/Long Near Early: 57 deg 23.1' S 30 deg 20.2' E Lat/Long Far Early: 57 deg 33.0' S 30 deg 24.5' E GMT Center 1994/276:20:18:35.6 Lat/Long Center: 57 deg 21.7' S 31 deg 11.0' E Lat/Long Near Late: 57 deg 10.1' S 31 deg 57.0' E Lat/Long Far Late: 57 deg 19.9' S 32 deg 1.7' E SEG_24 Lat/Long Near Early: 57 deg 10.1' S 31 deg 57.0' E Lat/Long Far Early: 57 deg 19.9' S 32 deg 1.7' E GMT Center 1994/276:20:18:49.4 Lat/Long Center: 57 deg 8.0' S 32 deg 47.4' E Lat/Long Near Late: 56 deg 55.8' S 33 deg 32.6' E Lat/Long Far Late: 57 deg 5.6' S 33 deg 37.7' E SEG_25 Lat/Long Near Early: 56 deg 55.8' S 33 deg 32.6' E Lat/Long Far Early: 57 deg 5.6' S 33 deg 37.7' E GMT Center 1994/276:20:19:03.2 Lat/Long Center: 56 deg 53.1' S 34 deg 22.5' E Lat/Long Near Late: 56 deg 40.3' S 35 deg 6.8' E Lat/Long Far Late: 56 deg 49.9' S 35 deg 12.4' E SEG_26 Lat/Long Near Early: 56 deg 40.3' S 35 deg 6.8' E Lat/Long Far Early: 56 deg 49.9' S 35 deg 12.4' E Lat/Long Near Data End: 56 deg 38.6' S 35 deg 17.1' E Lat/Long Far Data End: 56 deg 48.2' S 35 deg 22.7' E