DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 66.50 Site Name: Dongola, Sahara Sudan Site ID: GS9 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 11 / X-SAR Antenna Direction: Right Looking Orbit Direction: Descending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 8 Quantization Format: BFPQ Beam Spoiling Mode: 3 PRF (Hz): 1395.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/277:12:03:37.9 Data Take End GMT: 1994/277:12:06:22.9 Data Take Duration (min:sec): 2:47 Latitude at Start GMT: 24 deg 28.7' N Longitude at Start GMT: 26 deg 32.4' E Latitude at End GMT: 15 deg 22.8' N Longitude at End GMT: 32 deg 45.5' E Center Incidence Angle (deg): 26.5 Track Angle at Image Center: 147.0 deg E of True North Along-Track Image Size (km): 1199.5 Cross-Track Image Size (km): 61.8 Along-Track Resolution (m): 90 Cross-Track Resolution (m): 72 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): 2.0 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 12 Bytes per Record: 2000 Records per Segment: 1386 Product Generation Date: Dec 17, 1994 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, LHV, CHH, CHV, XVV Processing Run Number: 40647 Comments: SEG_01 Lat/Long Near Early: 24 deg 38.6' N 26 deg 48.1' E Lat/Long Far Early: 24 deg 19.0' N 26 deg 17.1' E GMT Center 1994/277:12:03:44.8 Lat/Long Center: 24 deg 6.3' N 26 deg 49.0' E Lat/Long Near Late: 23 deg 53.7' N 27 deg 21.1' E Lat/Long Far Late: 23 deg 34.3' N 26 deg 50.2' E SEG_02 Lat/Long Near Early: 23 deg 53.7' N 27 deg 21.1' E Lat/Long Far Early: 23 deg 34.3' N 26 deg 50.2' E GMT Center 1994/277:12:03:58.5 Lat/Long Center: 23 deg 21.5' N 27 deg 21.9' E Lat/Long Near Late: 23 deg 8.6' N 27 deg 53.6' E Lat/Long Far Late: 22 deg 49.5' N 27 deg 23.0' E SEG_03 Lat/Long Near Early: 23 deg 8.6' N 27 deg 53.6' E Lat/Long Far Early: 22 deg 49.5' N 27 deg 23.0' E GMT Center 1994/277:12:04:12.3 Lat/Long Center: 22 deg 36.5' N 27 deg 54.4' E Lat/Long Near Late: 22 deg 23.4' N 28 deg 25.8' E Lat/Long Far Late: 22 deg 4.5' N 27 deg 55.4' E SEG_04 Lat/Long Near Early: 22 deg 23.4' N 28 deg 25.8' E Lat/Long Far Early: 22 deg 4.5' N 27 deg 55.4' E GMT Center 1994/277:12:04:26.0 Lat/Long Center: 21 deg 51.3' N 28 deg 26.5' E Lat/Long Near Late: 21 deg 38.1' N 28 deg 57.5' E Lat/Long Far Late: 21 deg 19.4' N 28 deg 27.3' E SEG_05 Lat/Long Near Early: 21 deg 38.1' N 28 deg 57.5' E Lat/Long Far Early: 21 deg 19.4' N 28 deg 27.3' E GMT Center 1994/277:12:04:39.8 Lat/Long Center: 21 deg 6.0' N 28 deg 58.2' E Lat/Long Near Late: 20 deg 52.6' N 29 deg 28.9' E Lat/Long Far Late: 20 deg 34.1' N 28 deg 59.0' E SEG_06 Lat/Long Near Early: 20 deg 52.6' N 29 deg 28.9' E Lat/Long Far Early: 20 deg 34.1' N 28 deg 59.0' E GMT Center 1994/277:12:04:53.5 Lat/Long Center: 20 deg 20.6' N 29 deg 29.5' E Lat/Long Near Late: 20 deg 7.0' N 30 deg 0.0' E Lat/Long Far Late: 19 deg 48.7' N 29 deg 30.2' E SEG_07 Lat/Long Near Early: 20 deg 7.0' N 30 deg 0.0' E Lat/Long Far Early: 19 deg 48.7' N 29 deg 30.2' E GMT Center 1994/277:12:05:07.3 Lat/Long Center: 19 deg 35.1' N 30 deg 0.5' E Lat/Long Near Late: 19 deg 21.3' N 30 deg 30.7' E Lat/Long Far Late: 19 deg 3.2' N 30 deg 1.1' E SEG_08 Lat/Long Near Early: 19 deg 21.3' N 30 deg 30.7' E Lat/Long Far Early: 19 deg 3.2' N 30 deg 1.1' E GMT Center 1994/277:12:05:21.0 Lat/Long Center: 18 deg 49.4' N 30 deg 31.2' E Lat/Long Near Late: 18 deg 35.5' N 31 deg 1.2' E Lat/Long Far Late: 18 deg 17.6' N 30 deg 31.7' E SEG_09 Lat/Long Near Early: 18 deg 35.5' N 31 deg 1.2' E Lat/Long Far Early: 18 deg 17.6' N 30 deg 31.7' E GMT Center 1994/277:12:05:34.8 Lat/Long Center: 18 deg 3.7' N 31 deg 1.6' E Lat/Long Near Late: 17 deg 49.6' N 31 deg 31.3' E Lat/Long Far Late: 17 deg 31.8' N 31 deg 2.0' E SEG_10 Lat/Long Near Early: 17 deg 49.6' N 31 deg 31.3' E Lat/Long Far Early: 17 deg 31.8' N 31 deg 2.0' E GMT Center 1994/277:12:05:48.5 Lat/Long Center: 17 deg 17.8' N 31 deg 31.7' E Lat/Long Near Late: 17 deg 3.5' N 32 deg 1.1' E Lat/Long Far Late: 16 deg 46.0' N 31 deg 32.0' E SEG_11 Lat/Long Near Early: 17 deg 3.5' N 32 deg 1.1' E Lat/Long Far Early: 16 deg 46.0' N 31 deg 32.0' E GMT Center 1994/277:12:06:02.3 Lat/Long Center: 16 deg 31.8' N 32 deg 1.5' E Lat/Long Near Late: 16 deg 17.4' N 32 deg 30.7' E Lat/Long Far Late: 15 deg 60.0' N 32 deg 1.7' E SEG_12 Lat/Long Near Early: 16 deg 17.4' N 32 deg 30.7' E Lat/Long Far Early: 15 deg 60.0' N 32 deg 1.7' E GMT Center 1994/277:12:06:16.0 Lat/Long Center: 15 deg 45.7' N 32 deg 31.0' E Lat/Long Near Data End: 15 deg 31.4' N 32 deg 59.8' E Lat/Long Far Data End: 15 deg 14.1' N 32 deg 31.1' E