DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 39.90 Site Name: Weddell Sea Site ID: N59 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 12 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 5 PRF (Hz): 1488.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: VV Product Type: Survey Image Data Take Start GMT: 1994/275:20:32:15.8 Data Take End GMT: 1994/275:20:38:02.0 Data Take Duration (min:sec): 5:47 Latitude at Start GMT: 55 deg 55.0' S Longitude at Start GMT: 5 deg 47.6' W Latitude at End GMT: 56 deg 33.0' S Longitude at End GMT: 35 deg 19.1' E Center Incidence Angle (deg): 25.2 Track Angle at Image Center: 91.8 deg E of True North Along-Track Image Size (km): 2507.3 Cross-Track Image Size (km): 48.6 Along-Track Resolution (m): 101 Cross-Track Resolution (m): 75 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): 59.9 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: 1122 Product Generation Date: Dec 05, 1994 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LVH, LVV, CVH, CVV, XVV Processing Run Number: 40543 Comments: SEG_01 Lat/Long Near Early: 55 deg 43.0' S 5 deg 39.9' W Lat/Long Far Early: 56 deg 7.0' S 5 deg 55.4' W GMT Center 1994/275:20:32:22.7 Lat/Long Center: 56 deg 3.9' S 5 deg 2.1' W Lat/Long Near Late: 56 deg 0.5' S 4 deg 9.1' W Lat/Long Far Late: 56 deg 24.8' S 4 deg 23.7' W SEG_02 Lat/Long Near Early: 56 deg 0.5' S 4 deg 9.1' W Lat/Long Far Early: 56 deg 24.8' S 4 deg 23.7' W GMT Center 1994/275:20:32:36.5 Lat/Long Center: 56 deg 21.0' S 3 deg 30.2' W Lat/Long Near Late: 56 deg 16.9' S 2 deg 37.0' W Lat/Long Far Late: 56 deg 41.4' S 2 deg 50.7' W SEG_03 Lat/Long Near Early: 56 deg 16.9' S 2 deg 37.0' W Lat/Long Far Early: 56 deg 41.4' S 2 deg 50.7' W GMT Center 1994/275:20:32:50.3 Lat/Long Center: 56 deg 36.8' S 1 deg 57.0' W Lat/Long Near Late: 56 deg 31.9' S 1 deg 3.5' W Lat/Long Far Late: 56 deg 56.7' S 1 deg 16.3' W SEG_04 Lat/Long Near Early: 56 deg 31.9' S 1 deg 3.5' W Lat/Long Far Early: 56 deg 56.7' S 1 deg 16.3' W GMT Center 1994/275:20:33:04.1 Lat/Long Center: 56 deg 51.4' S 0 deg 22.4' W Lat/Long Near Late: 56 deg 45.8' S 0 deg 31.2' E Lat/Long Far Late: 57 deg 10.8' S 0 deg 19.4' E SEG_05 Lat/Long Near Early: 56 deg 45.8' S 0 deg 31.2' E Lat/Long Far Early: 57 deg 10.8' S 0 deg 19.4' E GMT Center 1994/275:20:33:17.9 Lat/Long Center: 57 deg 4.7' S 1 deg 13.4' E Lat/Long Near Late: 56 deg 58.4' S 2 deg 7.0' E Lat/Long Far Late: 57 deg 23.5' S 1 deg 56.3' E SEG_06 Lat/Long Near Early: 56 deg 58.4' S 2 deg 7.0' E Lat/Long Far Early: 57 deg 23.5' S 1 deg 56.3' E GMT Center 1994/275:20:33:31.7 Lat/Long Center: 57 deg 16.7' S 2 deg 50.3' E Lat/Long Near Late: 57 deg 9.6' S 3 deg 43.9' E Lat/Long Far Late: 57 deg 34.9' S 3 deg 34.3' E SEG_07 Lat/Long Near Early: 57 deg 9.6' S 3 deg 43.9' E Lat/Long Far Early: 57 deg 34.9' S 3 deg 34.3' E GMT Center 1994/275:20:33:45.5 Lat/Long Center: 57 deg 27.4' S 4 deg 28.2' E Lat/Long Near Late: 57 deg 19.5' S 5 deg 21.7' E Lat/Long Far Late: 57 deg 45.0' S 5 deg 13.3' E SEG_08 Lat/Long Near Early: 57 deg 19.5' S 5 deg 21.7' E Lat/Long Far Early: 57 deg 45.0' S 5 deg 13.3' E GMT Center 1994/275:20:33:59.3 Lat/Long Center: 57 deg 36.8' S 6 deg 7.1' E Lat/Long Near Late: 57 deg 28.1' S 7 deg 0.4' E Lat/Long Far Late: 57 deg 53.8' S 6 deg 53.2' E SEG_09 Lat/Long Near Early: 57 deg 28.1' S 7 deg 0.4' E Lat/Long Far Early: 57 deg 53.8' S 6 deg 53.2' E GMT Center 1994/275:20:34:13.1 Lat/Long Center: 57 deg 44.7' S 7 deg 46.7' E Lat/Long Near Late: 57 deg 35.4' S 8 deg 39.8' E Lat/Long Far Late: 58 deg 1.1' S 8 deg 33.8' E SEG_10 Lat/Long Near Early: 57 deg 35.4' S 8 deg 39.8' E Lat/Long Far Early: 58 deg 1.1' S 8 deg 33.8' E GMT Center 1994/275:20:34:27.0 Lat/Long Center: 57 deg 51.3' S 9 deg 27.1' E Lat/Long Near Late: 57 deg 41.2' S 10 deg 19.8' E Lat/Long Far Late: 58 deg 7.0' S 10 deg 15.1' E SEG_11 Lat/Long Near Early: 57 deg 41.2' S 10 deg 19.8' E Lat/Long Far Early: 58 deg 7.0' S 10 deg 15.1' E GMT Center 1994/275:20:34:40.8 Lat/Long Center: 57 deg 56.5' S 11 deg 8.0' E Lat/Long Near Late: 57 deg 45.7' S 12 deg 0.3' E Lat/Long Far Late: 58 deg 11.6' S 11 deg 56.8' E SEG_12 Lat/Long Near Early: 57 deg 45.7' S 12 deg 0.3' E Lat/Long Far Early: 58 deg 11.6' S 11 deg 56.8' E GMT Center 1994/275:20:34:54.6 Lat/Long Center: 58 deg 0.3' S 12 deg 49.3' E Lat/Long Near Late: 57 deg 48.7' S 13 deg 41.1' E Lat/Long Far Late: 58 deg 14.7' S 13 deg 39.0' E SEG_13 Lat/Long Near Early: 57 deg 48.7' S 13 deg 41.1' E Lat/Long Far Early: 58 deg 14.7' S 13 deg 39.0' E GMT Center 1994/275:20:35:08.4 Lat/Long Center: 58 deg 2.7' S 14 deg 30.9' E Lat/Long Near Late: 57 deg 50.3' S 15 deg 22.2' E Lat/Long Far Late: 58 deg 16.3' S 15 deg 21.4' E SEG_14 Lat/Long Near Early: 57 deg 50.3' S 15 deg 22.2' E Lat/Long Far Early: 58 deg 16.3' S 15 deg 21.4' E GMT Center 1994/275:20:35:22.2 Lat/Long Center: 58 deg 3.6' S 16 deg 12.7' E Lat/Long Near Late: 57 deg 50.6' S 17 deg 3.4' E Lat/Long Far Late: 58 deg 16.6' S 17 deg 3.8' E SEG_15 Lat/Long Near Early: 57 deg 50.6' S 17 deg 3.4' E Lat/Long Far Early: 58 deg 16.6' S 17 deg 3.8' E GMT Center 1994/275:20:35:36.0 Lat/Long Center: 58 deg 3.1' S 17 deg 54.5' E Lat/Long Near Late: 57 deg 49.4' S 18 deg 44.5' E Lat/Long Far Late: 58 deg 15.4' S 18 deg 46.3' E SEG_16 Lat/Long Near Early: 57 deg 49.4' S 18 deg 44.5' E Lat/Long Far Early: 58 deg 15.4' S 18 deg 46.3' E GMT Center 1994/275:20:35:49.8 Lat/Long Center: 58 deg 1.2' S 19 deg 36.2' E Lat/Long Near Late: 57 deg 46.8' S 20 deg 25.5' E Lat/Long Far Late: 58 deg 12.7' S 20 deg 28.5' E SEG_17 Lat/Long Near Early: 57 deg 46.8' S 20 deg 25.5' E Lat/Long Far Early: 58 deg 12.7' S 20 deg 28.5' E GMT Center 1994/275:20:36:03.6 Lat/Long Center: 57 deg 57.9' S 21 deg 17.6' E Lat/Long Near Late: 57 deg 42.8' S 22 deg 6.1' E Lat/Long Far Late: 58 deg 8.7' S 22 deg 10.4' E SEG_18 Lat/Long Near Early: 57 deg 42.8' S 22 deg 6.1' E Lat/Long Far Early: 58 deg 8.7' S 22 deg 10.4' E GMT Center 1994/275:20:36:17.4 Lat/Long Center: 57 deg 53.2' S 22 deg 58.7' E Lat/Long Near Late: 57 deg 37.4' S 23 deg 46.3' E Lat/Long Far Late: 58 deg 3.2' S 23 deg 51.9' E SEG_19 Lat/Long Near Early: 57 deg 37.4' S 23 deg 46.3' E Lat/Long Far Early: 58 deg 3.2' S 23 deg 51.9' E GMT Center 1994/275:20:36:31.2 Lat/Long Center: 57 deg 47.0' S 24 deg 39.2' E Lat/Long Near Late: 57 deg 30.6' S 25 deg 25.9' E Lat/Long Far Late: 57 deg 56.3' S 25 deg 32.7' E SEG_20 Lat/Long Near Early: 57 deg 30.6' S 25 deg 25.9' E Lat/Long Far Early: 57 deg 56.3' S 25 deg 32.7' E GMT Center 1994/275:20:36:45.0 Lat/Long Center: 57 deg 39.5' S 26 deg 19.1' E Lat/Long Near Late: 57 deg 22.5' S 27 deg 4.8' E Lat/Long Far Late: 57 deg 48.0' S 27 deg 12.8' E SEG_21 Lat/Long Near Early: 57 deg 22.5' S 27 deg 4.8' E Lat/Long Far Early: 57 deg 48.0' S 27 deg 12.8' E GMT Center 1994/275:20:36:58.9 Lat/Long Center: 57 deg 30.6' S 27 deg 58.3' E Lat/Long Near Late: 57 deg 13.0' S 28 deg 43.0' E Lat/Long Far Late: 57 deg 38.4' S 28 deg 52.1' E SEG_22 Lat/Long Near Early: 57 deg 13.0' S 28 deg 43.0' E Lat/Long Far Early: 57 deg 38.4' S 28 deg 52.1' E GMT Center 1994/275:20:37:12.7 Lat/Long Center: 57 deg 20.3' S 29 deg 36.5' E Lat/Long Near Late: 57 deg 2.2' S 30 deg 20.2' E Lat/Long Far Late: 57 deg 27.4' S 30 deg 30.4' E SEG_23 Lat/Long Near Early: 57 deg 2.2' S 30 deg 20.2' E Lat/Long Far Early: 57 deg 27.4' S 30 deg 30.4' E GMT Center 1994/275:20:37:26.5 Lat/Long Center: 57 deg 8.8' S 31 deg 13.8' E Lat/Long Near Late: 56 deg 50.0' S 31 deg 56.3' E Lat/Long Far Late: 57 deg 15.0' S 32 deg 7.7' E SEG_24 Lat/Long Near Early: 56 deg 50.0' S 31 deg 56.3' E Lat/Long Far Early: 57 deg 15.0' S 32 deg 7.7' E GMT Center 1994/275:20:37:40.3 Lat/Long Center: 56 deg 55.9' S 32 deg 49.9' E Lat/Long Near Late: 56 deg 36.6' S 33 deg 31.4' E Lat/Long Far Late: 57 deg 1.4' S 33 deg 43.8' E SEG_25 Lat/Long Near Early: 56 deg 36.6' S 33 deg 31.4' E Lat/Long Far Early: 57 deg 1.4' S 33 deg 43.8' E GMT Center 1994/275:20:37:54.1 Lat/Long Center: 56 deg 41.7' S 34 deg 24.9' E Lat/Long Near Late: 56 deg 21.9' S 35 deg 5.3' E Lat/Long Far Late: 56 deg 46.5' S 35 deg 18.7' E SEG_26 Lat/Long Near Early: 56 deg 21.9' S 35 deg 5.3' E Lat/Long Far Early: 56 deg 46.5' S 35 deg 18.7' E Lat/Long Near Data End: 56 deg 20.8' S 35 deg 12.4' E Lat/Long Far Data End: 56 deg 45.3' S 35 deg 25.9' E