DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 132.30 Site Name: Western Africa fix @ 45 Site ID: GF7 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 20 / X-SAR Antenna Direction: Left Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 40 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1395.000 Frequency Band: L Carrier Frequency (GHz): 1.237 Wavelength (m): 0.242 Polarization Channel: VV Product Type: Survey Image Data Take Start GMT: 1994/281:13:39:04.6 Data Take End GMT: 1994/281:13:45:51.3 Data Take Duration (min:sec): 6:47 Latitude at Start GMT: 23 deg 49.8' N Longitude at Start GMT: 16 deg 44.2' W Latitude at End GMT: 0 deg 47.3' N Longitude at End GMT: 2 deg 39.0' W Center Incidence Angle (deg): 47.1 Track Angle at Image Center: 149.6 deg E of True North Along-Track Image Size (km): 2965.3 Cross-Track Image Size (km): 31.2 Along-Track Resolution (m): 111 Cross-Track Resolution (m): 22 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): 25.1 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 30 Bytes per Record: 2000 Records per Segment: 774 Product Generation Date: Jan 30, 1995 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LVV, CVV, XVV Processing Run Number: 40695 Comments: SEG_01 Lat/Long Near Early: 23 deg 45.2' N 16 deg 52.0' W Lat/Long Far Early: 23 deg 54.4' N 16 deg 36.4' W GMT Center 1994/281:13:39:11.5 Lat/Long Center: 23 deg 27.0' N 16 deg 28.3' W Lat/Long Near Late: 22 deg 59.6' N 16 deg 20.2' W Lat/Long Far Late: 23 deg 8.8' N 16 deg 4.6' W SEG_02 Lat/Long Near Early: 22 deg 59.6' N 16 deg 20.2' W Lat/Long Far Early: 23 deg 8.8' N 16 deg 4.6' W GMT Center 1994/281:13:39:25.2 Lat/Long Center: 22 deg 41.4' N 15 deg 56.6' W Lat/Long Near Late: 22 deg 13.9' N 15 deg 48.7' W Lat/Long Far Late: 22 deg 23.0' N 15 deg 33.2' W SEG_03 Lat/Long Near Early: 22 deg 13.9' N 15 deg 48.7' W Lat/Long Far Early: 22 deg 23.0' N 15 deg 33.2' W GMT Center 1994/281:13:39:38.9 Lat/Long Center: 21 deg 55.6' N 15 deg 25.4' W Lat/Long Near Late: 21 deg 28.1' N 15 deg 17.6' W Lat/Long Far Late: 21 deg 37.2' N 15 deg 2.2' W SEG_04 Lat/Long Near Early: 21 deg 28.1' N 15 deg 17.6' W Lat/Long Far Early: 21 deg 37.2' N 15 deg 2.2' W GMT Center 1994/281:13:39:52.6 Lat/Long Center: 21 deg 9.7' N 14 deg 54.4' W Lat/Long Near Late: 20 deg 42.2' N 14 deg 46.8' W Lat/Long Far Late: 20 deg 51.2' N 14 deg 31.4' W SEG_05 Lat/Long Near Early: 20 deg 42.2' N 14 deg 46.8' W Lat/Long Far Early: 20 deg 51.2' N 14 deg 31.4' W GMT Center 1994/281:13:40:06.3 Lat/Long Center: 20 deg 23.7' N 14 deg 23.9' W Lat/Long Near Late: 19 deg 56.2' N 14 deg 16.3' W Lat/Long Far Late: 20 deg 5.2' N 14 deg 1.0' W SEG_06 Lat/Long Near Early: 19 deg 56.2' N 14 deg 16.3' W Lat/Long Far Early: 20 deg 5.2' N 14 deg 1.0' W GMT Center 1994/281:13:40:20.1 Lat/Long Center: 19 deg 37.6' N 13 deg 53.6' W Lat/Long Near Late: 19 deg 10.1' N 13 deg 46.2' W Lat/Long Far Late: 19 deg 19.0' N 13 deg 30.9' W SEG_07 Lat/Long Near Early: 19 deg 10.1' N 13 deg 46.2' W Lat/Long Far Early: 19 deg 19.0' N 13 deg 30.9' W GMT Center 1994/281:13:40:33.8 Lat/Long Center: 18 deg 51.4' N 13 deg 23.6' W Lat/Long Near Late: 18 deg 23.9' N 13 deg 16.3' W Lat/Long Far Late: 18 deg 32.7' N 13 deg 1.1' W SEG_08 Lat/Long Near Early: 18 deg 23.9' N 13 deg 16.3' W Lat/Long Far Early: 18 deg 32.7' N 13 deg 1.1' W GMT Center 1994/281:13:40:47.5 Lat/Long Center: 18 deg 5.2' N 12 deg 53.9' W Lat/Long Near Late: 17 deg 37.6' N 12 deg 46.7' W Lat/Long Far Late: 17 deg 46.4' N 12 deg 31.5' W SEG_09 Lat/Long Near Early: 17 deg 37.6' N 12 deg 46.7' W Lat/Long Far Early: 17 deg 46.4' N 12 deg 31.5' W GMT Center 1994/281:13:41:01.2 Lat/Long Center: 17 deg 18.8' N 12 deg 24.4' W Lat/Long Near Late: 16 deg 51.2' N 12 deg 17.3' W Lat/Long Far Late: 17 deg 0.0' N 12 deg 2.2' W SEG_10 Lat/Long Near Early: 16 deg 51.2' N 12 deg 17.3' W Lat/Long Far Early: 17 deg 0.0' N 12 deg 2.2' W GMT Center 1994/281:13:41:14.9 Lat/Long Center: 16 deg 32.4' N 11 deg 55.2' W Lat/Long Near Late: 16 deg 4.8' N 11 deg 48.2' W Lat/Long Far Late: 16 deg 13.5' N 11 deg 33.2' W SEG_11 Lat/Long Near Early: 16 deg 4.8' N 11 deg 48.2' W Lat/Long Far Early: 16 deg 13.5' N 11 deg 33.2' W GMT Center 1994/281:13:41:28.6 Lat/Long Center: 15 deg 45.9' N 11 deg 26.3' W Lat/Long Near Late: 15 deg 18.3' N 11 deg 19.4' W Lat/Long Far Late: 15 deg 27.0' N 11 deg 4.4' W SEG_12 Lat/Long Near Early: 15 deg 18.3' N 11 deg 19.4' W Lat/Long Far Early: 15 deg 27.0' N 11 deg 4.4' W GMT Center 1994/281:13:41:42.3 Lat/Long Center: 14 deg 59.3' N 10 deg 57.5' W Lat/Long Near Late: 14 deg 31.7' N 10 deg 50.7' W Lat/Long Far Late: 14 deg 40.3' N 10 deg 35.8' W SEG_13 Lat/Long Near Early: 14 deg 31.7' N 10 deg 50.7' W Lat/Long Far Early: 14 deg 40.3' N 10 deg 35.8' W GMT Center 1994/281:13:41:56.1 Lat/Long Center: 14 deg 12.7' N 10 deg 29.0' W Lat/Long Near Late: 13 deg 45.1' N 10 deg 22.3' W Lat/Long Far Late: 13 deg 53.7' N 10 deg 7.4' W SEG_14 Lat/Long Near Early: 13 deg 45.1' N 10 deg 22.3' W Lat/Long Far Early: 13 deg 53.7' N 10 deg 7.4' W GMT Center 1994/281:13:42:09.8 Lat/Long Center: 13 deg 26.0' N 10 deg 0.7' W Lat/Long Near Late: 12 deg 58.4' N 9 deg 54.0' W Lat/Long Far Late: 13 deg 6.9' N 9 deg 39.1' W SEG_15 Lat/Long Near Early: 12 deg 58.4' N 9 deg 54.0' W Lat/Long Far Early: 13 deg 6.9' N 9 deg 39.1' W GMT Center 1994/281:13:42:23.5 Lat/Long Center: 12 deg 39.3' N 9 deg 32.5' W Lat/Long Near Late: 12 deg 11.6' N 9 deg 25.9' W Lat/Long Far Late: 12 deg 20.2' N 9 deg 11.1' W SEG_16 Lat/Long Near Early: 12 deg 11.6' N 9 deg 25.9' W Lat/Long Far Early: 12 deg 20.2' N 9 deg 11.1' W GMT Center 1994/281:13:42:37.2 Lat/Long Center: 11 deg 52.5' N 9 deg 4.5' W Lat/Long Near Late: 11 deg 24.8' N 8 deg 58.0' W Lat/Long Far Late: 11 deg 33.3' N 8 deg 43.2' W SEG_17 Lat/Long Near Early: 11 deg 24.8' N 8 deg 58.0' W Lat/Long Far Early: 11 deg 33.3' N 8 deg 43.2' W GMT Center 1994/281:13:42:50.9 Lat/Long Center: 11 deg 5.6' N 8 deg 36.7' W Lat/Long Near Late: 10 deg 38.0' N 8 deg 30.2' W Lat/Long Far Late: 10 deg 46.5' N 8 deg 15.5' W SEG_18 Lat/Long Near Early: 10 deg 38.0' N 8 deg 30.2' W Lat/Long Far Early: 10 deg 46.5' N 8 deg 15.5' W GMT Center 1994/281:13:43:04.6 Lat/Long Center: 10 deg 18.8' N 8 deg 9.0' W Lat/Long Near Late: 9 deg 51.1' N 8 deg 2.6' W Lat/Long Far Late: 9 deg 59.6' N 7 deg 47.9' W SEG_19 Lat/Long Near Early: 9 deg 51.1' N 8 deg 2.6' W Lat/Long Far Early: 9 deg 59.6' N 7 deg 47.9' W GMT Center 1994/281:13:43:18.4 Lat/Long Center: 9 deg 31.9' N 7 deg 41.5' W Lat/Long Near Late: 9 deg 4.2' N 7 deg 35.1' W Lat/Long Far Late: 9 deg 12.6' N 7 deg 20.4' W SEG_20 Lat/Long Near Early: 9 deg 4.2' N 7 deg 35.1' W Lat/Long Far Early: 9 deg 12.6' N 7 deg 20.4' W GMT Center 1994/281:13:43:32.1 Lat/Long Center: 8 deg 44.9' N 7 deg 14.0' W Lat/Long Near Late: 8 deg 17.2' N 7 deg 7.7' W Lat/Long Far Late: 8 deg 25.7' N 6 deg 53.0' W SEG_21 Lat/Long Near Early: 8 deg 17.2' N 7 deg 7.7' W Lat/Long Far Early: 8 deg 25.7' N 6 deg 53.0' W GMT Center 1994/281:13:43:45.8 Lat/Long Center: 7 deg 57.9' N 6 deg 46.7' W Lat/Long Near Late: 7 deg 30.2' N 6 deg 40.4' W Lat/Long Far Late: 7 deg 38.7' N 6 deg 25.8' W SEG_22 Lat/Long Near Early: 7 deg 30.2' N 6 deg 40.4' W Lat/Long Far Early: 7 deg 38.7' N 6 deg 25.8' W GMT Center 1994/281:13:43:59.5 Lat/Long Center: 7 deg 10.9' N 6 deg 19.5' W Lat/Long Near Late: 6 deg 43.2' N 6 deg 13.2' W Lat/Long Far Late: 6 deg 51.6' N 5 deg 58.6' W SEG_23 Lat/Long Near Early: 6 deg 43.2' N 6 deg 13.2' W Lat/Long Far Early: 6 deg 51.6' N 5 deg 58.6' W GMT Center 1994/281:13:44:13.2 Lat/Long Center: 6 deg 23.9' N 5 deg 52.3' W Lat/Long Near Late: 5 deg 56.2' N 5 deg 46.1' W Lat/Long Far Late: 6 deg 4.6' N 5 deg 31.5' W SEG_24 Lat/Long Near Early: 5 deg 56.2' N 5 deg 46.1' W Lat/Long Far Early: 6 deg 4.6' N 5 deg 31.5' W GMT Center 1994/281:13:44:26.9 Lat/Long Center: 5 deg 36.9' N 5 deg 25.3' W Lat/Long Near Late: 5 deg 9.2' N 5 deg 19.0' W Lat/Long Far Late: 5 deg 17.6' N 5 deg 4.5' W SEG_25 Lat/Long Near Early: 5 deg 9.2' N 5 deg 19.0' W Lat/Long Far Early: 5 deg 17.6' N 5 deg 4.5' W GMT Center 1994/281:13:44:40.7 Lat/Long Center: 4 deg 49.8' N 4 deg 58.2' W Lat/Long Near Late: 4 deg 22.1' N 4 deg 52.0' W Lat/Long Far Late: 4 deg 30.5' N 4 deg 37.5' W SEG_26 Lat/Long Near Early: 4 deg 22.1' N 4 deg 52.0' W Lat/Long Far Early: 4 deg 30.5' N 4 deg 37.5' W GMT Center 1994/281:13:44:54.4 Lat/Long Center: 4 deg 2.8' N 4 deg 31.3' W Lat/Long Near Late: 3 deg 35.1' N 4 deg 25.1' W Lat/Long Far Late: 3 deg 43.5' N 4 deg 10.5' W SEG_27 Lat/Long Near Early: 3 deg 35.1' N 4 deg 25.1' W Lat/Long Far Early: 3 deg 43.5' N 4 deg 10.5' W GMT Center 1994/281:13:45:08.1 Lat/Long Center: 3 deg 15.7' N 4 deg 4.3' W Lat/Long Near Late: 2 deg 48.0' N 3 deg 58.2' W Lat/Long Far Late: 2 deg 56.4' N 3 deg 43.6' W SEG_28 Lat/Long Near Early: 2 deg 48.0' N 3 deg 58.2' W Lat/Long Far Early: 2 deg 56.4' N 3 deg 43.6' W GMT Center 1994/281:13:45:21.8 Lat/Long Center: 2 deg 28.7' N 3 deg 37.4' W Lat/Long Near Late: 2 deg 0.9' N 3 deg 31.3' W Lat/Long Far Late: 2 deg 9.3' N 3 deg 16.7' W SEG_29 Lat/Long Near Early: 2 deg 0.9' N 3 deg 31.3' W Lat/Long Far Early: 2 deg 9.3' N 3 deg 16.7' W GMT Center 1994/281:13:45:35.5 Lat/Long Center: 1 deg 41.6' N 3 deg 10.6' W Lat/Long Near Late: 1 deg 13.9' N 3 deg 4.4' W Lat/Long Far Late: 1 deg 22.3' N 2 deg 49.8' W SEG_30 Lat/Long Near Early: 1 deg 13.9' N 3 deg 4.4' W Lat/Long Far Early: 1 deg 22.3' N 2 deg 49.8' W GMT Center 1994/281:13:45:49.2 Lat/Long Center: 0 deg 54.6' N 2 deg 43.7' W Lat/Long Near Data End: 0 deg 43.1' N 2 deg 46.3' W Lat/Long Far Data End: 0 deg 51.5' N 2 deg 31.8' W