DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 124.00 Site Name: Siwa/Largeau, Sahara Chad Site ID: GS7 Mission ID: SRL-1 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 16 / X-SAR Antenna Direction: Right Looking Orbit Direction: Ascending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 8 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1440.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/107:01:05:54.8 Data Take End GMT: 1994/107:01:09:41.0 Data Take Duration (min:sec): 3:47 Latitude at Start GMT: 13 deg 46.6' N Longitude at Start GMT: 15 deg 56.9' E Latitude at End GMT: 26 deg 16.5' N Longitude at End GMT: 24 deg 30.5' E Center Incidence Angle (deg): 23.4 Track Angle at Image Center: 32.9 deg E of True North Along-Track Image Size (km): 1647.9 Cross-Track Image Size (km): 35.8 Along-Track Resolution (m): 88 Cross-Track Resolution (m): 81 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): 100.0 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: 866 Product Generation Date: Aug 24, 1994 Processing Facility: JPL Processor S/W Version: 1.2.4 Available Standard Products: LHH, LVH, LHV, LVV, CHH, CVH, CHV, CVV, XVV Processing Run Number: 11048 Comments: SEG_01 Lat/Long Near Early: 13 deg 51.4' N 15 deg 48.8' E Lat/Long Far Early: 13 deg 41.6' N 16 deg 5.1' E GMT Center 1994/107:01:06:01.7 Lat/Long Center: 14 deg 9.7' N 16 deg 11.3' E Lat/Long Near Late: 14 deg 37.8' N 16 deg 17.6' E Lat/Long Far Late: 14 deg 27.9' N 16 deg 34.0' E SEG_02 Lat/Long Near Early: 14 deg 37.8' N 16 deg 17.6' E Lat/Long Far Early: 14 deg 27.9' N 16 deg 34.0' E GMT Center 1994/107:01:06:15.4 Lat/Long Center: 14 deg 56.0' N 16 deg 40.3' E Lat/Long Near Late: 15 deg 24.1' N 16 deg 46.6' E Lat/Long Far Late: 15 deg 14.2' N 17 deg 3.2' E SEG_03 Lat/Long Near Early: 15 deg 24.1' N 16 deg 46.6' E Lat/Long Far Early: 15 deg 14.2' N 17 deg 3.2' E GMT Center 1994/107:01:06:29.1 Lat/Long Center: 15 deg 42.3' N 17 deg 9.5' E Lat/Long Near Late: 16 deg 10.3' N 17 deg 15.9' E Lat/Long Far Late: 16 deg 0.3' N 17 deg 32.5' E SEG_04 Lat/Long Near Early: 16 deg 10.3' N 17 deg 15.9' E Lat/Long Far Early: 16 deg 0.3' N 17 deg 32.5' E GMT Center 1994/107:01:06:42.8 Lat/Long Center: 16 deg 28.4' N 17 deg 38.9' E Lat/Long Near Late: 16 deg 56.5' N 17 deg 45.4' E Lat/Long Far Late: 16 deg 46.3' N 18 deg 2.2' E SEG_05 Lat/Long Near Early: 16 deg 56.5' N 17 deg 45.4' E Lat/Long Far Early: 16 deg 46.3' N 18 deg 2.2' E GMT Center 1994/107:01:06:56.6 Lat/Long Center: 17 deg 14.4' N 18 deg 8.6' E Lat/Long Near Late: 17 deg 42.5' N 18 deg 15.2' E Lat/Long Far Late: 17 deg 32.3' N 18 deg 32.0' E SEG_06 Lat/Long Near Early: 17 deg 42.5' N 18 deg 15.2' E Lat/Long Far Early: 17 deg 32.3' N 18 deg 32.0' E GMT Center 1994/107:01:07:10.3 Lat/Long Center: 18 deg 0.4' N 18 deg 38.6' E Lat/Long Near Late: 18 deg 28.4' N 18 deg 45.2' E Lat/Long Far Late: 18 deg 18.1' N 19 deg 2.2' E SEG_07 Lat/Long Near Early: 18 deg 28.4' N 18 deg 45.2' E Lat/Long Far Early: 18 deg 18.1' N 19 deg 2.2' E GMT Center 1994/107:01:07:24.0 Lat/Long Center: 18 deg 46.2' N 19 deg 8.9' E Lat/Long Near Late: 19 deg 14.3' N 19 deg 15.6' E Lat/Long Far Late: 19 deg 3.8' N 19 deg 32.7' E SEG_08 Lat/Long Near Early: 19 deg 14.3' N 19 deg 15.6' E Lat/Long Far Early: 19 deg 3.8' N 19 deg 32.7' E GMT Center 1994/107:01:07:37.7 Lat/Long Center: 19 deg 31.9' N 19 deg 39.5' E Lat/Long Near Late: 19 deg 60.0' N 19 deg 46.2' E Lat/Long Far Late: 19 deg 49.4' N 20 deg 3.5' E SEG_09 Lat/Long Near Early: 19 deg 60.0' N 19 deg 46.2' E Lat/Long Far Early: 19 deg 49.4' N 20 deg 3.5' E GMT Center 1994/107:01:07:51.5 Lat/Long Center: 20 deg 17.5' N 20 deg 10.4' E Lat/Long Near Late: 20 deg 45.6' N 20 deg 17.2' E Lat/Long Far Late: 20 deg 34.9' N 20 deg 34.6' E SEG_10 Lat/Long Near Early: 20 deg 45.6' N 20 deg 17.2' E Lat/Long Far Early: 20 deg 34.9' N 20 deg 34.6' E GMT Center 1994/107:01:08:05.2 Lat/Long Center: 21 deg 3.0' N 20 deg 41.6' E Lat/Long Near Late: 21 deg 31.1' N 20 deg 48.6' E Lat/Long Far Late: 21 deg 20.3' N 21 deg 6.1' E SEG_11 Lat/Long Near Early: 21 deg 31.1' N 20 deg 48.6' E Lat/Long Far Early: 21 deg 20.3' N 21 deg 6.1' E GMT Center 1994/107:01:08:18.9 Lat/Long Center: 21 deg 48.3' N 21 deg 13.2' E Lat/Long Near Late: 22 deg 16.5' N 21 deg 20.3' E Lat/Long Far Late: 22 deg 5.5' N 21 deg 37.9' E SEG_12 Lat/Long Near Early: 22 deg 16.5' N 21 deg 20.3' E Lat/Long Far Early: 22 deg 5.5' N 21 deg 37.9' E GMT Center 1994/107:01:08:32.6 Lat/Long Center: 22 deg 33.6' N 21 deg 45.2' E Lat/Long Near Late: 23 deg 1.7' N 21 deg 52.3' E Lat/Long Far Late: 22 deg 50.6' N 22 deg 10.2' E SEG_13 Lat/Long Near Early: 23 deg 1.7' N 21 deg 52.3' E Lat/Long Far Early: 22 deg 50.6' N 22 deg 10.2' E GMT Center 1994/107:01:08:46.4 Lat/Long Center: 23 deg 18.6' N 22 deg 17.5' E Lat/Long Near Late: 23 deg 46.8' N 22 deg 24.8' E Lat/Long Far Late: 23 deg 35.5' N 22 deg 42.8' E SEG_14 Lat/Long Near Early: 23 deg 46.8' N 22 deg 24.8' E Lat/Long Far Early: 23 deg 35.5' N 22 deg 42.8' E GMT Center 1994/107:01:09:00.1 Lat/Long Center: 24 deg 3.6' N 22 deg 50.3' E Lat/Long Near Late: 24 deg 31.7' N 22 deg 57.6' E Lat/Long Far Late: 24 deg 20.3' N 23 deg 15.8' E SEG_15 Lat/Long Near Early: 24 deg 31.7' N 22 deg 57.6' E Lat/Long Far Early: 24 deg 20.3' N 23 deg 15.8' E GMT Center 1994/107:01:09:13.8 Lat/Long Center: 24 deg 48.4' N 23 deg 23.5' E Lat/Long Near Late: 25 deg 16.5' N 23 deg 30.9' E Lat/Long Far Late: 25 deg 5.0' N 23 deg 49.3' E SEG_16 Lat/Long Near Early: 25 deg 16.5' N 23 deg 30.9' E Lat/Long Far Early: 25 deg 5.0' N 23 deg 49.3' E GMT Center 1994/107:01:09:27.5 Lat/Long Center: 25 deg 33.0' N 23 deg 57.1' E Lat/Long Near Late: 26 deg 1.2' N 24 deg 4.7' E Lat/Long Far Late: 25 deg 49.4' N 24 deg 23.2' E SEG_17 Lat/Long Near Early: 26 deg 1.2' N 24 deg 4.7' E Lat/Long Far Early: 25 deg 49.4' N 24 deg 23.2' E Lat/Long Near Data End: 26 deg 22.5' N 24 deg 21.0' E Lat/Long Far Data End: 26 deg 10.7' N 24 deg 39.6' E