DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 81.00 Site Name: Chulchaca, Yucatan Mexico Site ID: E58 Mission ID: SRL-2 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): 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: 1994/278:09:41:59.8 Data Take End GMT: 1994/278:09:45:31.2 Data Take Duration (min:sec): 3:33 Latitude at Start GMT: 12 deg 9.4' N Longitude at Start GMT: 95 deg 50.0' W Latitude at End GMT: 23 deg 53.6' N Longitude at End GMT: 88 deg 3.1' W Center Incidence Angle (deg): 26.3 Track Angle at Image Center: 32.4 deg E of True North Along-Track Image Size (km): 1538.6 Cross-Track Image Size (km): 32.4 Along-Track Resolution (m): 89 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: 16 Bytes per Record: 2000 Records per Segment: 798 Product Generation Date: Dec 18, 1994 Processing Facility: JPL Processor S/W Version: 1.2.7 Available Standard Products: LHH, LVH, LHV, LVV, CHH, CVH, CHV, CVV, XVV Processing Run Number: 40677 Comments: SEG_01 Lat/Long Near Early: 12 deg 13.9' N 95 deg 57.5' W Lat/Long Far Early: 12 deg 5.0' N 95 deg 42.5' W GMT Center 1994/278:09:42:06.7 Lat/Long Center: 12 deg 32.7' N 95 deg 35.8' W Lat/Long Near Late: 13 deg 0.4' N 95 deg 29.1' W Lat/Long Far Late: 12 deg 51.4' N 95 deg 14.0' W SEG_02 Lat/Long Near Early: 13 deg 0.4' N 95 deg 29.1' W Lat/Long Far Early: 12 deg 51.4' N 95 deg 14.0' W GMT Center 1994/278:09:42:20.4 Lat/Long Center: 13 deg 19.1' N 95 deg 7.3' W Lat/Long Near Late: 13 deg 46.8' N 95 deg 0.4' W Lat/Long Far Late: 13 deg 37.8' N 94 deg 45.3' W SEG_03 Lat/Long Near Early: 13 deg 46.8' N 95 deg 0.4' W Lat/Long Far Early: 13 deg 37.8' N 94 deg 45.3' W GMT Center 1994/278:09:42:34.2 Lat/Long Center: 14 deg 5.5' N 94 deg 38.5' W Lat/Long Near Late: 14 deg 33.1' N 94 deg 31.6' W Lat/Long Far Late: 14 deg 24.0' N 94 deg 16.4' W SEG_04 Lat/Long Near Early: 14 deg 33.1' N 94 deg 31.6' W Lat/Long Far Early: 14 deg 24.0' N 94 deg 16.4' W GMT Center 1994/278:09:42:47.9 Lat/Long Center: 14 deg 51.7' N 94 deg 9.5' W Lat/Long Near Late: 15 deg 19.4' N 94 deg 2.5' W Lat/Long Far Late: 15 deg 10.2' N 93 deg 47.3' W SEG_05 Lat/Long Near Early: 15 deg 19.4' N 94 deg 2.5' W Lat/Long Far Early: 15 deg 10.2' N 93 deg 47.3' W GMT Center 1994/278:09:43:01.7 Lat/Long Center: 15 deg 37.9' N 93 deg 40.2' W Lat/Long Near Late: 16 deg 5.6' N 93 deg 33.2' W Lat/Long Far Late: 15 deg 56.3' N 93 deg 17.9' W SEG_06 Lat/Long Near Early: 16 deg 5.6' N 93 deg 33.2' W Lat/Long Far Early: 15 deg 56.3' N 93 deg 17.9' W GMT Center 1994/278:09:43:15.4 Lat/Long Center: 16 deg 24.0' N 93 deg 10.8' W Lat/Long Near Late: 16 deg 51.6' N 93 deg 3.6' W Lat/Long Far Late: 16 deg 42.3' N 92 deg 48.2' W SEG_07 Lat/Long Near Early: 16 deg 51.6' N 93 deg 3.6' W Lat/Long Far Early: 16 deg 42.3' N 92 deg 48.2' W GMT Center 1994/278:09:43:29.1 Lat/Long Center: 17 deg 10.0' N 92 deg 41.0' W Lat/Long Near Late: 17 deg 37.6' N 92 deg 33.8' W Lat/Long Far Late: 17 deg 28.2' N 92 deg 18.3' W SEG_08 Lat/Long Near Early: 17 deg 37.6' N 92 deg 33.8' W Lat/Long Far Early: 17 deg 28.2' N 92 deg 18.3' W GMT Center 1994/278:09:43:42.9 Lat/Long Center: 17 deg 55.9' N 92 deg 11.0' W Lat/Long Near Late: 18 deg 23.5' N 92 deg 3.6' W Lat/Long Far Late: 18 deg 14.0' N 91 deg 48.1' W SEG_09 Lat/Long Near Early: 18 deg 23.5' N 92 deg 3.6' W Lat/Long Far Early: 18 deg 14.0' N 91 deg 48.1' W GMT Center 1994/278:09:43:56.6 Lat/Long Center: 18 deg 41.6' N 91 deg 40.7' W Lat/Long Near Late: 19 deg 9.3' N 91 deg 33.2' W Lat/Long Far Late: 18 deg 59.7' N 91 deg 17.6' W SEG_10 Lat/Long Near Early: 19 deg 9.3' N 91 deg 33.2' W Lat/Long Far Early: 18 deg 59.7' N 91 deg 17.6' W GMT Center 1994/278:09:44:10.3 Lat/Long Center: 19 deg 27.3' N 91 deg 10.0' W Lat/Long Near Late: 19 deg 54.9' N 91 deg 2.5' W Lat/Long Far Late: 19 deg 45.3' N 90 deg 46.7' W SEG_11 Lat/Long Near Early: 19 deg 54.9' N 91 deg 2.5' W Lat/Long Far Early: 19 deg 45.3' N 90 deg 46.7' W GMT Center 1994/278:09:44:24.1 Lat/Long Center: 20 deg 12.9' N 90 deg 39.1' W Lat/Long Near Late: 20 deg 40.5' N 90 deg 31.4' W Lat/Long Far Late: 20 deg 30.7' N 90 deg 15.6' W SEG_12 Lat/Long Near Early: 20 deg 40.5' N 90 deg 31.4' W Lat/Long Far Early: 20 deg 30.7' N 90 deg 15.6' W GMT Center 1994/278:09:44:37.8 Lat/Long Center: 20 deg 58.3' N 90 deg 7.8' W Lat/Long Near Late: 21 deg 25.9' N 90 deg 0.0' W Lat/Long Far Late: 21 deg 16.1' N 89 deg 44.1' W SEG_13 Lat/Long Near Early: 21 deg 25.9' N 90 deg 0.0' W Lat/Long Far Early: 21 deg 16.1' N 89 deg 44.1' W GMT Center 1994/278:09:44:51.6 Lat/Long Center: 21 deg 43.6' N 89 deg 36.2' W Lat/Long Near Late: 22 deg 11.2' N 89 deg 28.3' W Lat/Long Far Late: 22 deg 1.2' N 89 deg 12.2' W SEG_14 Lat/Long Near Early: 22 deg 11.2' N 89 deg 28.3' W Lat/Long Far Early: 22 deg 1.2' N 89 deg 12.2' W GMT Center 1994/278:09:45:05.3 Lat/Long Center: 22 deg 28.8' N 89 deg 4.1' W Lat/Long Near Late: 22 deg 56.4' N 88 deg 56.1' W Lat/Long Far Late: 22 deg 46.3' N 88 deg 39.9' W SEG_15 Lat/Long Near Early: 22 deg 56.4' N 88 deg 56.1' W Lat/Long Far Early: 22 deg 46.3' N 88 deg 39.9' W GMT Center 1994/278:09:45:19.0 Lat/Long Center: 23 deg 13.8' N 88 deg 31.7' W Lat/Long Near Late: 23 deg 41.4' N 88 deg 23.6' W Lat/Long Far Late: 23 deg 31.2' N 88 deg 7.3' W SEG_16 Lat/Long Near Early: 23 deg 41.4' N 88 deg 23.6' W Lat/Long Far Early: 23 deg 31.2' N 88 deg 7.3' W Lat/Long Near Data End: 23 deg 58.7' N 88 deg 11.3' W Lat/Long Far Data End: 23 deg 48.5' N 87 deg 54.9' W