DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 71.80 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: 0 PRF (Hz): 1395.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: VV Product Type: Survey Image Data Take Start GMT: 1994/277:19:54:57.9 Data Take End GMT: 1994/277:19:58:43.5 Data Take Duration (min:sec): 3:47 Latitude at Start GMT: 57 deg 16.7' S Longitude at Start GMT: 1 deg 20.1' W Latitude at End GMT: 57 deg 46.8' S Longitude at End GMT: 26 deg 10.8' E Center Incidence Angle (deg): 32.2 Track Angle at Image Center: 92.1 deg E of True North Along-Track Image Size (km): 1634.5 Cross-Track Image Size (km): 35.2 Along-Track Resolution (m): 100 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): 31.5 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: 854 Product Generation Date: Nov 20, 1994 Processing Facility: JPL Processor S/W Version: 1.2.6 Available Standard Products: LVH, LVV, CVH, CVV, XVV Processing Run Number: 40403 Comments: SEG_01 Lat/Long Near Early: 57 deg 7.6' S 1 deg 15.9' W Lat/Long Far Early: 57 deg 25.8' S 1 deg 24.4' W GMT Center 1994/277:19:55:04.8 Lat/Long Center: 57 deg 23.1' S 0 deg 31.6' W Lat/Long Near Late: 57 deg 20.1' S 0 deg 21.0' E Lat/Long Far Late: 57 deg 38.4' S 0 deg 13.2' E SEG_02 Lat/Long Near Early: 57 deg 20.1' S 0 deg 21.0' E Lat/Long Far Early: 57 deg 38.4' S 0 deg 13.2' E GMT Center 1994/277:19:55:18.6 Lat/Long Center: 57 deg 35.0' S 1 deg 6.2' E Lat/Long Near Late: 57 deg 31.2' S 1 deg 58.9' E Lat/Long Far Late: 57 deg 49.7' S 1 deg 52.0' E SEG_03 Lat/Long Near Early: 57 deg 31.2' S 1 deg 58.9' E Lat/Long Far Early: 57 deg 49.7' S 1 deg 52.0' E GMT Center 1994/277:19:55:32.4 Lat/Long Center: 57 deg 45.5' S 2 deg 45.0' E Lat/Long Near Late: 57 deg 41.0' S 3 deg 37.8' E Lat/Long Far Late: 57 deg 59.6' S 3 deg 31.8' E SEG_04 Lat/Long Near Early: 57 deg 41.0' S 3 deg 37.8' E Lat/Long Far Early: 57 deg 59.6' S 3 deg 31.8' E GMT Center 1994/277:19:55:46.2 Lat/Long Center: 57 deg 54.7' S 4 deg 24.8' E Lat/Long Near Late: 57 deg 49.5' S 5 deg 17.5' E Lat/Long Far Late: 58 deg 8.1' S 5 deg 12.4' E SEG_05 Lat/Long Near Early: 57 deg 49.5' S 5 deg 17.5' E Lat/Long Far Early: 58 deg 8.1' S 5 deg 12.4' E GMT Center 1994/277:19:55:60.0 Lat/Long Center: 58 deg 2.5' S 6 deg 5.4' E Lat/Long Near Late: 57 deg 56.6' S 6 deg 58.0' E Lat/Long Far Late: 58 deg 15.3' S 6 deg 53.8' E SEG_06 Lat/Long Near Early: 57 deg 56.6' S 6 deg 58.0' E Lat/Long Far Early: 58 deg 15.3' S 6 deg 53.8' E GMT Center 1994/277:19:56:13.8 Lat/Long Center: 58 deg 8.9' S 7 deg 46.6' E Lat/Long Near Late: 58 deg 2.2' S 8 deg 39.1' E Lat/Long Far Late: 58 deg 21.0' S 8 deg 35.8' E SEG_07 Lat/Long Near Early: 58 deg 2.2' S 8 deg 39.1' E Lat/Long Far Early: 58 deg 21.0' S 8 deg 35.8' E GMT Center 1994/277:19:56:27.6 Lat/Long Center: 58 deg 13.9' S 9 deg 28.5' E Lat/Long Near Late: 58 deg 6.5' S 10 deg 20.7' E Lat/Long Far Late: 58 deg 25.3' S 10 deg 18.3' E SEG_08 Lat/Long Near Early: 58 deg 6.5' S 10 deg 20.7' E Lat/Long Far Early: 58 deg 25.3' S 10 deg 18.3' E GMT Center 1994/277:19:56:41.4 Lat/Long Center: 58 deg 17.5' S 11 deg 10.7' E Lat/Long Near Late: 58 deg 9.3' S 12 deg 2.6' E Lat/Long Far Late: 58 deg 28.2' S 12 deg 1.2' E SEG_09 Lat/Long Near Early: 58 deg 9.3' S 12 deg 2.6' E Lat/Long Far Early: 58 deg 28.2' S 12 deg 1.2' E GMT Center 1994/277:19:56:55.2 Lat/Long Center: 58 deg 19.6' S 12 deg 53.2' E Lat/Long Near Late: 58 deg 10.7' S 13 deg 44.8' E Lat/Long Far Late: 58 deg 29.6' S 13 deg 44.3' E SEG_10 Lat/Long Near Early: 58 deg 10.7' S 13 deg 44.8' E Lat/Long Far Early: 58 deg 29.6' S 13 deg 44.3' E GMT Center 1994/277:19:57:09.0 Lat/Long Center: 58 deg 20.3' S 14 deg 35.9' E Lat/Long Near Late: 58 deg 10.7' S 15 deg 27.0' E Lat/Long Far Late: 58 deg 29.6' S 15 deg 27.5' E SEG_11 Lat/Long Near Early: 58 deg 10.7' S 15 deg 27.0' E Lat/Long Far Early: 58 deg 29.6' S 15 deg 27.5' E GMT Center 1994/277:19:57:22.8 Lat/Long Center: 58 deg 19.6' S 16 deg 18.5' E Lat/Long Near Late: 58 deg 9.3' S 17 deg 9.1' E Lat/Long Far Late: 58 deg 28.1' S 17 deg 10.5' E SEG_12 Lat/Long Near Early: 58 deg 9.3' S 17 deg 9.1' E Lat/Long Far Early: 58 deg 28.1' S 17 deg 10.5' E GMT Center 1994/277:19:57:36.6 Lat/Long Center: 58 deg 17.4' S 18 deg 1.0' E Lat/Long Near Late: 58 deg 6.4' S 18 deg 51.0' E Lat/Long Far Late: 58 deg 25.2' S 18 deg 53.4' E SEG_13 Lat/Long Near Early: 58 deg 6.4' S 18 deg 51.0' E Lat/Long Far Early: 58 deg 25.2' S 18 deg 53.4' E GMT Center 1994/277:19:57:50.4 Lat/Long Center: 58 deg 13.8' S 19 deg 43.3' E Lat/Long Near Late: 58 deg 2.1' S 20 deg 32.6' E Lat/Long Far Late: 58 deg 20.9' S 20 deg 35.9' E SEG_14 Lat/Long Near Early: 58 deg 2.1' S 20 deg 32.6' E Lat/Long Far Early: 58 deg 20.9' S 20 deg 35.9' E GMT Center 1994/277:19:58:04.2 Lat/Long Center: 58 deg 8.8' S 21 deg 25.1' E Lat/Long Near Late: 57 deg 56.4' S 22 deg 13.7' E Lat/Long Far Late: 58 deg 15.1' S 22 deg 17.9' E SEG_15 Lat/Long Near Early: 57 deg 56.4' S 22 deg 13.7' E Lat/Long Far Early: 58 deg 15.1' S 22 deg 17.9' E GMT Center 1994/277:19:58:18.0 Lat/Long Center: 58 deg 2.3' S 23 deg 6.3' E Lat/Long Near Late: 57 deg 49.3' S 23 deg 54.1' E Lat/Long Far Late: 58 deg 7.9' S 23 deg 59.3' E SEG_16 Lat/Long Near Early: 57 deg 49.3' S 23 deg 54.1' E Lat/Long Far Early: 58 deg 7.9' S 23 deg 59.3' E GMT Center 1994/277:19:58:31.8 Lat/Long Center: 57 deg 54.5' S 24 deg 46.9' E Lat/Long Near Late: 57 deg 40.8' S 25 deg 33.9' E Lat/Long Far Late: 57 deg 59.3' S 25 deg 39.9' E SEG_17 Lat/Long Near Early: 57 deg 40.8' S 25 deg 33.9' E Lat/Long Far Early: 57 deg 59.3' S 25 deg 39.9' E Lat/Long Near Data End: 57 deg 37.5' S 26 deg 7.6' E Lat/Long Far Data End: 57 deg 56.0' S 26 deg 14.0' E