DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 151.30 Site Name: 20 MHz D/L over N. America Site ID: GF8 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 12 / X-SAR Antenna Direction: Left Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 34 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1736.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: VV Product Type: Survey Image Data Take Start GMT: 1994/282:17:37:07.4 Data Take End GMT: 1994/282:17:42:01.4 Data Take Duration (min:sec): 4:54 Latitude at Start GMT: 39 deg 13.6' N Longitude at Start GMT: 97 deg 5.6' W Latitude at End GMT: 23 deg 34.8' N Longitude at End GMT: 83 deg 44.1' W Center Incidence Angle (deg): 49.3 Track Angle at Image Center: 144.4 deg E of True North Along-Track Image Size (km): 2140.0 Cross-Track Image Size (km): 29.0 Along-Track Resolution (m): 73 Cross-Track Resolution (m): 42 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): 2.1 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 22 Bytes per Record: 2000 Records per Segment: 730 Product Generation Date: Oct 21, 1994 Processing Facility: JPL Processor S/W Version: 1.2.5 Available Standard Products: LVH, LVV, CVH, CVV, XVV Processing Run Number: 40145 Comments: SEG_01 Lat/Long Near Early: 39 deg 8.5' N 97 deg 13.4' W Lat/Long Far Early: 39 deg 18.7' N 96 deg 57.8' W GMT Center 1994/282:17:37:14.2 Lat/Long Center: 38 deg 52.9' N 96 deg 43.2' W Lat/Long Near Late: 38 deg 27.1' N 96 deg 28.8' W Lat/Long Far Late: 38 deg 37.2' N 96 deg 13.3' W SEG_02 Lat/Long Near Early: 38 deg 27.1' N 96 deg 28.8' W Lat/Long Far Early: 38 deg 37.2' N 96 deg 13.3' W GMT Center 1994/282:17:37:28.0 Lat/Long Center: 38 deg 11.3' N 95 deg 59.1' W Lat/Long Near Late: 37 deg 45.4' N 95 deg 45.0' W Lat/Long Far Late: 37 deg 55.3' N 95 deg 29.6' W SEG_03 Lat/Long Near Early: 37 deg 45.4' N 95 deg 45.0' W Lat/Long Far Early: 37 deg 55.3' N 95 deg 29.6' W GMT Center 1994/282:17:37:41.7 Lat/Long Center: 37 deg 29.4' N 95 deg 15.8' W Lat/Long Near Late: 37 deg 3.4' N 95 deg 2.2' W Lat/Long Far Late: 37 deg 13.2' N 94 deg 46.8' W SEG_04 Lat/Long Near Early: 37 deg 3.4' N 95 deg 2.2' W Lat/Long Far Early: 37 deg 13.2' N 94 deg 46.8' W GMT Center 1994/282:17:37:55.5 Lat/Long Center: 36 deg 47.1' N 94 deg 33.4' W Lat/Long Near Late: 36 deg 21.1' N 94 deg 20.1' W Lat/Long Far Late: 36 deg 30.8' N 94 deg 4.8' W SEG_05 Lat/Long Near Early: 36 deg 21.1' N 94 deg 20.1' W Lat/Long Far Early: 36 deg 30.8' N 94 deg 4.8' W GMT Center 1994/282:17:38:09.2 Lat/Long Center: 36 deg 4.7' N 93 deg 51.7' W Lat/Long Near Late: 35 deg 38.5' N 93 deg 38.8' W Lat/Long Far Late: 35 deg 48.1' N 93 deg 23.6' W SEG_06 Lat/Long Near Early: 35 deg 38.5' N 93 deg 38.8' W Lat/Long Far Early: 35 deg 48.1' N 93 deg 23.6' W GMT Center 1994/282:17:38:22.9 Lat/Long Center: 35 deg 21.9' N 93 deg 10.9' W Lat/Long Near Late: 34 deg 55.7' N 92 deg 58.3' W Lat/Long Far Late: 35 deg 5.2' N 92 deg 43.1' W SEG_07 Lat/Long Near Early: 34 deg 55.7' N 92 deg 58.3' W Lat/Long Far Early: 35 deg 5.2' N 92 deg 43.1' W GMT Center 1994/282:17:38:36.7 Lat/Long Center: 34 deg 38.9' N 92 deg 30.7' W Lat/Long Near Late: 34 deg 12.6' N 92 deg 18.5' W Lat/Long Far Late: 34 deg 22.0' N 92 deg 3.4' W SEG_08 Lat/Long Near Early: 34 deg 12.6' N 92 deg 18.5' W Lat/Long Far Early: 34 deg 22.0' N 92 deg 3.4' W GMT Center 1994/282:17:38:50.4 Lat/Long Center: 33 deg 55.7' N 91 deg 51.3' W Lat/Long Near Late: 33 deg 29.3' N 91 deg 39.4' W Lat/Long Far Late: 33 deg 38.6' N 91 deg 24.4' W SEG_09 Lat/Long Near Early: 33 deg 29.3' N 91 deg 39.4' W Lat/Long Far Early: 33 deg 38.6' N 91 deg 24.4' W GMT Center 1994/282:17:39:04.1 Lat/Long Center: 33 deg 12.2' N 91 deg 12.6' W Lat/Long Near Late: 32 deg 45.7' N 91 deg 1.0' W Lat/Long Far Late: 32 deg 55.0' N 90 deg 46.0' W SEG_10 Lat/Long Near Early: 32 deg 45.7' N 91 deg 1.0' W Lat/Long Far Early: 32 deg 55.0' N 90 deg 46.0' W GMT Center 1994/282:17:39:17.9 Lat/Long Center: 32 deg 28.5' N 90 deg 34.6' W Lat/Long Near Late: 32 deg 2.0' N 90 deg 23.2' W Lat/Long Far Late: 32 deg 11.1' N 90 deg 8.3' W SEG_11 Lat/Long Near Early: 32 deg 2.0' N 90 deg 23.2' W Lat/Long Far Early: 32 deg 11.1' N 90 deg 8.3' W GMT Center 1994/282:17:39:31.6 Lat/Long Center: 31 deg 44.6' N 89 deg 57.1' W Lat/Long Near Late: 31 deg 18.0' N 89 deg 46.1' W Lat/Long Far Late: 31 deg 27.1' N 89 deg 31.2' W SEG_12 Lat/Long Near Early: 31 deg 18.0' N 89 deg 46.1' W Lat/Long Far Early: 31 deg 27.1' N 89 deg 31.2' W GMT Center 1994/282:17:39:45.4 Lat/Long Center: 31 deg 0.5' N 89 deg 20.3' W Lat/Long Near Late: 30 deg 33.8' N 89 deg 9.5' W Lat/Long Far Late: 30 deg 42.9' N 88 deg 54.7' W SEG_13 Lat/Long Near Early: 30 deg 33.8' N 89 deg 9.5' W Lat/Long Far Early: 30 deg 42.9' N 88 deg 54.7' W GMT Center 1994/282:17:39:59.1 Lat/Long Center: 30 deg 16.2' N 88 deg 44.1' W Lat/Long Near Late: 29 deg 49.5' N 88 deg 33.5' W Lat/Long Far Late: 29 deg 58.4' N 88 deg 18.8' W SEG_14 Lat/Long Near Early: 29 deg 49.5' N 88 deg 33.5' W Lat/Long Far Early: 29 deg 58.4' N 88 deg 18.8' W GMT Center 1994/282:17:40:12.8 Lat/Long Center: 29 deg 31.7' N 88 deg 8.4' W Lat/Long Near Late: 29 deg 5.0' N 87 deg 58.1' W Lat/Long Far Late: 29 deg 13.8' N 87 deg 43.4' W SEG_15 Lat/Long Near Early: 29 deg 5.0' N 87 deg 58.1' W Lat/Long Far Early: 29 deg 13.8' N 87 deg 43.4' W GMT Center 1994/282:17:40:26.6 Lat/Long Center: 28 deg 47.0' N 87 deg 33.3' W Lat/Long Near Late: 28 deg 20.3' N 87 deg 23.2' W Lat/Long Far Late: 28 deg 29.0' N 87 deg 8.6' W SEG_16 Lat/Long Near Early: 28 deg 20.3' N 87 deg 23.2' W Lat/Long Far Early: 28 deg 29.0' N 87 deg 8.6' W GMT Center 1994/282:17:40:40.3 Lat/Long Center: 28 deg 2.2' N 86 deg 58.6' W Lat/Long Near Late: 27 deg 35.4' N 86 deg 48.8' W Lat/Long Far Late: 27 deg 44.1' N 86 deg 34.2' W SEG_17 Lat/Long Near Early: 27 deg 35.4' N 86 deg 48.8' W Lat/Long Far Early: 27 deg 44.1' N 86 deg 34.2' W GMT Center 1994/282:17:40:54.0 Lat/Long Center: 27 deg 17.2' N 86 deg 24.5' W Lat/Long Near Late: 26 deg 50.4' N 86 deg 14.9' W Lat/Long Far Late: 26 deg 59.0' N 86 deg 0.4' W SEG_18 Lat/Long Near Early: 26 deg 50.4' N 86 deg 14.9' W Lat/Long Far Early: 26 deg 59.0' N 86 deg 0.4' W GMT Center 1994/282:17:41:07.8 Lat/Long Center: 26 deg 32.1' N 85 deg 50.9' W Lat/Long Near Late: 26 deg 5.2' N 85 deg 41.4' W Lat/Long Far Late: 26 deg 13.8' N 85 deg 27.0' W SEG_19 Lat/Long Near Early: 26 deg 5.2' N 85 deg 41.4' W Lat/Long Far Early: 26 deg 13.8' N 85 deg 27.0' W GMT Center 1994/282:17:41:21.5 Lat/Long Center: 25 deg 46.8' N 85 deg 17.6' W Lat/Long Near Late: 25 deg 19.9' N 85 deg 8.4' W Lat/Long Far Late: 25 deg 28.4' N 84 deg 54.0' W SEG_20 Lat/Long Near Early: 25 deg 19.9' N 85 deg 8.4' W Lat/Long Far Early: 25 deg 28.4' N 84 deg 54.0' W GMT Center 1994/282:17:41:35.3 Lat/Long Center: 25 deg 1.4' N 84 deg 44.9' W Lat/Long Near Late: 24 deg 34.4' N 84 deg 35.8' W Lat/Long Far Late: 24 deg 42.9' N 84 deg 21.5' W SEG_21 Lat/Long Near Early: 24 deg 34.4' N 84 deg 35.8' W Lat/Long Far Early: 24 deg 42.9' N 84 deg 21.5' W GMT Center 1994/282:17:41:49.0 Lat/Long Center: 24 deg 15.9' N 84 deg 12.5' W Lat/Long Near Late: 23 deg 48.9' N 84 deg 3.6' W Lat/Long Far Late: 23 deg 57.3' N 83 deg 49.4' W SEG_22 Lat/Long Near Early: 23 deg 48.9' N 84 deg 3.6' W Lat/Long Far Early: 23 deg 57.3' N 83 deg 49.4' W Lat/Long Near Data End: 23 deg 30.6' N 83 deg 51.2' W Lat/Long Far Data End: 23 deg 39.0' N 83 deg 37.0' W