DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 123.30 Site Name: Equatorial Pacific 4 Site ID: NB4 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 9 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 6 PRF (Hz): 1512.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: VV Product Type: Survey Image Data Take Start GMT: 1994/281:00:25:11.8 Data Take End GMT: 1994/281:00:31:26.9 Data Take Duration (min:sec): 6:17 Latitude at Start GMT: 11 deg 43.2' N Longitude at Start GMT: 169 deg 47.7' W Latitude at End GMT: 9 deg 39.9' S Longitude at End GMT: 157 deg 22.3' W Center Incidence Angle (deg): 28.8 Track Angle at Image Center: 150.0 deg E of True North Along-Track Image Size (km): 2736.1 Cross-Track Image Size (km): 93.4 Along-Track Resolution (m): 93 Cross-Track Resolution (m): 66 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): 7.1 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 28 Bytes per Record: 2000 Records per Segment: 2018 Product Generation Date: Oct 31, 1994 Processing Facility: JPL Processor S/W Version: 1.2.6 Available Standard Products: LVV, CVV, XVV Processing Run Number: 40263 Comments: SEG_01 Lat/Long Near Early: 11 deg 56.7' N 169 deg 24.9' W Lat/Long Far Early: 11 deg 30.0' N 170 deg 10.0' W GMT Center 1994/281:00:25:18.6 Lat/Long Center: 11 deg 20.0' N 169 deg 33.6' W Lat/Long Near Late: 11 deg 10.1' N 168 deg 56.9' W Lat/Long Far Late: 10 deg 43.5' N 169 deg 41.8' W SEG_02 Lat/Long Near Early: 11 deg 10.1' N 168 deg 56.9' W Lat/Long Far Early: 10 deg 43.5' N 169 deg 41.8' W GMT Center 1994/281:00:25:32.3 Lat/Long Center: 10 deg 33.4' N 169 deg 5.6' W Lat/Long Near Late: 10 deg 23.4' N 168 deg 29.0' W Lat/Long Far Late: 9 deg 57.0' N 169 deg 13.8' W SEG_03 Lat/Long Near Early: 10 deg 23.4' N 168 deg 29.0' W Lat/Long Far Early: 9 deg 57.0' N 169 deg 13.8' W GMT Center 1994/281:00:25:46.0 Lat/Long Center: 9 deg 46.7' N 168 deg 37.7' W Lat/Long Near Late: 9 deg 36.6' N 168 deg 1.3' W Lat/Long Far Late: 9 deg 10.4' N 168 deg 45.9' W SEG_04 Lat/Long Near Early: 9 deg 36.6' N 168 deg 1.3' W Lat/Long Far Early: 9 deg 10.4' N 168 deg 45.9' W GMT Center 1994/281:00:25:59.8 Lat/Long Center: 9 deg 0.1' N 168 deg 9.9' W Lat/Long Near Late: 8 deg 49.8' N 167 deg 33.7' W Lat/Long Far Late: 8 deg 23.7' N 168 deg 18.1' W SEG_05 Lat/Long Near Early: 8 deg 49.8' N 167 deg 33.7' W Lat/Long Far Early: 8 deg 23.7' N 168 deg 18.1' W GMT Center 1994/281:00:26:13.5 Lat/Long Center: 8 deg 13.3' N 167 deg 42.3' W Lat/Long Near Late: 8 deg 3.0' N 167 deg 6.2' W Lat/Long Far Late: 7 deg 37.0' N 167 deg 50.5' W SEG_06 Lat/Long Near Early: 8 deg 3.0' N 167 deg 6.2' W Lat/Long Far Early: 7 deg 37.0' N 167 deg 50.5' W GMT Center 1994/281:00:26:27.2 Lat/Long Center: 7 deg 26.5' N 167 deg 14.8' W Lat/Long Near Late: 7 deg 16.1' N 166 deg 38.9' W Lat/Long Far Late: 6 deg 50.2' N 167 deg 23.0' W SEG_07 Lat/Long Near Early: 7 deg 16.1' N 166 deg 38.9' W Lat/Long Far Early: 6 deg 50.2' N 167 deg 23.0' W GMT Center 1994/281:00:26:40.9 Lat/Long Center: 6 deg 39.7' N 166 deg 47.4' W Lat/Long Near Late: 6 deg 29.2' N 166 deg 11.6' W Lat/Long Far Late: 6 deg 3.4' N 166 deg 55.7' W SEG_08 Lat/Long Near Early: 6 deg 29.2' N 166 deg 11.6' W Lat/Long Far Early: 6 deg 3.4' N 166 deg 55.7' W GMT Center 1994/281:00:26:54.6 Lat/Long Center: 5 deg 52.8' N 166 deg 20.1' W Lat/Long Near Late: 5 deg 42.2' N 165 deg 44.4' W Lat/Long Far Late: 5 deg 16.6' N 166 deg 28.4' W SEG_09 Lat/Long Near Early: 5 deg 42.2' N 165 deg 44.4' W Lat/Long Far Early: 5 deg 16.6' N 166 deg 28.4' W GMT Center 1994/281:00:27:08.3 Lat/Long Center: 5 deg 5.9' N 165 deg 52.9' W Lat/Long Near Late: 4 deg 55.3' N 165 deg 17.3' W Lat/Long Far Late: 4 deg 29.7' N 166 deg 1.2' W SEG_10 Lat/Long Near Early: 4 deg 55.3' N 165 deg 17.3' W Lat/Long Far Early: 4 deg 29.7' N 166 deg 1.2' W GMT Center 1994/281:00:27:22.0 Lat/Long Center: 4 deg 19.0' N 165 deg 25.8' W Lat/Long Near Late: 4 deg 8.3' N 164 deg 50.3' W Lat/Long Far Late: 3 deg 42.8' N 165 deg 34.1' W SEG_11 Lat/Long Near Early: 4 deg 8.3' N 164 deg 50.3' W Lat/Long Far Early: 3 deg 42.8' N 165 deg 34.1' W GMT Center 1994/281:00:27:35.7 Lat/Long Center: 3 deg 32.0' N 164 deg 58.7' W Lat/Long Near Late: 3 deg 21.3' N 164 deg 23.3' W Lat/Long Far Late: 2 deg 55.9' N 165 deg 7.0' W SEG_12 Lat/Long Near Early: 3 deg 21.3' N 164 deg 23.3' W Lat/Long Far Early: 2 deg 55.9' N 165 deg 7.0' W GMT Center 1994/281:00:27:49.4 Lat/Long Center: 2 deg 45.1' N 164 deg 31.7' W Lat/Long Near Late: 2 deg 34.3' N 163 deg 56.4' W Lat/Long Far Late: 2 deg 8.9' N 164 deg 40.1' W SEG_13 Lat/Long Near Early: 2 deg 34.3' N 163 deg 56.4' W Lat/Long Far Early: 2 deg 8.9' N 164 deg 40.1' W GMT Center 1994/281:00:28:03.1 Lat/Long Center: 1 deg 58.1' N 164 deg 4.8' W Lat/Long Near Late: 1 deg 47.2' N 163 deg 29.5' W Lat/Long Far Late: 1 deg 21.9' N 164 deg 13.1' W SEG_14 Lat/Long Near Early: 1 deg 47.2' N 163 deg 29.5' W Lat/Long Far Early: 1 deg 21.9' N 164 deg 13.1' W GMT Center 1994/281:00:28:16.9 Lat/Long Center: 1 deg 11.1' N 163 deg 37.8' W Lat/Long Near Late: 1 deg 0.2' N 163 deg 2.6' W Lat/Long Far Late: 0 deg 34.9' N 163 deg 46.2' W SEG_15 Lat/Long Near Early: 1 deg 0.2' N 163 deg 2.6' W Lat/Long Far Early: 0 deg 34.9' N 163 deg 46.2' W GMT Center 1994/281:00:28:30.6 Lat/Long Center: 0 deg 24.0' N 163 deg 10.9' W Lat/Long Near Late: 0 deg 13.2' N 162 deg 35.7' W Lat/Long Far Late: 0 deg 12.1' S 163 deg 19.3' W SEG_16 Lat/Long Near Early: 0 deg 13.2' N 162 deg 35.7' W Lat/Long Far Early: 0 deg 12.1' S 163 deg 19.3' W GMT Center 1994/281:00:28:44.3 Lat/Long Center: 0 deg 23.0' S 162 deg 44.0' W Lat/Long Near Late: 0 deg 33.9' S 162 deg 8.8' W Lat/Long Far Late: 0 deg 59.1' S 162 deg 52.4' W SEG_17 Lat/Long Near Early: 0 deg 33.9' S 162 deg 8.8' W Lat/Long Far Early: 0 deg 59.1' S 162 deg 52.4' W GMT Center 1994/281:00:28:58.0 Lat/Long Center: 1 deg 10.0' S 162 deg 17.1' W Lat/Long Near Late: 1 deg 20.9' S 161 deg 41.9' W Lat/Long Far Late: 1 deg 46.2' S 162 deg 25.5' W SEG_18 Lat/Long Near Early: 1 deg 20.9' S 161 deg 41.9' W Lat/Long Far Early: 1 deg 46.2' S 162 deg 25.5' W GMT Center 1994/281:00:29:11.7 Lat/Long Center: 1 deg 57.0' S 161 deg 50.2' W Lat/Long Near Late: 2 deg 7.9' S 161 deg 14.9' W Lat/Long Far Late: 2 deg 33.2' S 161 deg 58.6' W SEG_19 Lat/Long Near Early: 2 deg 7.9' S 161 deg 14.9' W Lat/Long Far Early: 2 deg 33.2' S 161 deg 58.6' W GMT Center 1994/281:00:29:25.4 Lat/Long Center: 2 deg 44.1' S 161 deg 23.3' W Lat/Long Near Late: 2 deg 54.9' S 160 deg 48.0' W Lat/Long Far Late: 3 deg 20.2' S 161 deg 31.7' W SEG_20 Lat/Long Near Early: 2 deg 54.9' S 160 deg 48.0' W Lat/Long Far Early: 3 deg 20.2' S 161 deg 31.7' W GMT Center 1994/281:00:29:39.1 Lat/Long Center: 3 deg 31.1' S 160 deg 56.4' W Lat/Long Near Late: 3 deg 41.9' S 160 deg 20.9' W Lat/Long Far Late: 4 deg 7.2' S 161 deg 4.7' W SEG_21 Lat/Long Near Early: 3 deg 41.9' S 160 deg 20.9' W Lat/Long Far Early: 4 deg 7.2' S 161 deg 4.7' W GMT Center 1994/281:00:29:52.8 Lat/Long Center: 4 deg 18.1' S 160 deg 29.3' W Lat/Long Near Late: 4 deg 28.9' S 159 deg 53.9' W Lat/Long Far Late: 4 deg 54.2' S 160 deg 37.7' W SEG_22 Lat/Long Near Early: 4 deg 28.9' S 159 deg 53.9' W Lat/Long Far Early: 4 deg 54.2' S 160 deg 37.7' W GMT Center 1994/281:00:30:06.5 Lat/Long Center: 5 deg 5.1' S 160 deg 2.3' W Lat/Long Near Late: 5 deg 15.8' S 159 deg 26.7' W Lat/Long Far Late: 5 deg 41.2' S 160 deg 10.7' W SEG_23 Lat/Long Near Early: 5 deg 15.8' S 159 deg 26.7' W Lat/Long Far Early: 5 deg 41.2' S 160 deg 10.7' W GMT Center 1994/281:00:30:20.2 Lat/Long Center: 5 deg 52.0' S 159 deg 35.1' W Lat/Long Near Late: 6 deg 2.7' S 158 deg 59.5' W Lat/Long Far Late: 6 deg 28.2' S 159 deg 43.5' W SEG_24 Lat/Long Near Early: 6 deg 2.7' S 158 deg 59.5' W Lat/Long Far Early: 6 deg 28.2' S 159 deg 43.5' W GMT Center 1994/281:00:30:34.0 Lat/Long Center: 6 deg 39.0' S 159 deg 7.9' W Lat/Long Near Late: 6 deg 49.6' S 158 deg 32.1' W Lat/Long Far Late: 7 deg 15.2' S 159 deg 16.3' W SEG_25 Lat/Long Near Early: 6 deg 49.6' S 158 deg 32.1' W Lat/Long Far Early: 7 deg 15.2' S 159 deg 16.3' W GMT Center 1994/281:00:30:47.7 Lat/Long Center: 7 deg 25.9' S 158 deg 40.6' W Lat/Long Near Late: 7 deg 36.4' S 158 deg 4.7' W Lat/Long Far Late: 8 deg 2.1' S 158 deg 49.0' W SEG_26 Lat/Long Near Early: 7 deg 36.4' S 158 deg 4.7' W Lat/Long Far Early: 8 deg 2.1' S 158 deg 49.0' W GMT Center 1994/281:00:31:01.4 Lat/Long Center: 8 deg 12.7' S 158 deg 13.2' W Lat/Long Near Late: 8 deg 23.2' S 157 deg 37.1' W Lat/Long Far Late: 8 deg 49.0' S 158 deg 21.6' W SEG_27 Lat/Long Near Early: 8 deg 23.2' S 157 deg 37.1' W Lat/Long Far Early: 8 deg 49.0' S 158 deg 21.6' W GMT Center 1994/281:00:31:15.1 Lat/Long Center: 8 deg 59.6' S 157 deg 45.7' W Lat/Long Near Late: 9 deg 10.0' S 157 deg 9.5' W Lat/Long Far Late: 9 deg 35.8' S 157 deg 54.1' W SEG_28 Lat/Long Near Early: 9 deg 10.0' S 157 deg 9.5' W Lat/Long Far Early: 9 deg 35.8' S 157 deg 54.1' W Lat/Long Near Data End: 9 deg 26.8' S 156 deg 59.9' W Lat/Long Far Data End: 9 deg 52.8' S 157 deg 44.6' W