DTHDR.TXT: DATA TAKE HEADER FILE 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 65.22 Site Name: Howland, Maine Site ID: EB1 Mission ID: SRL-2 Sensor ID: SIR-C Radar Data Acquisition Mode: SIR-C 16 / X-SAR Antenna Direction: Left Looking Orbit Direction: Ascending Pulse Bandwidth (MHz): 20 Pulse Duration (micro sec): 17 Quantization Format: BFPQ Beam Spoiling Mode: 0 PRF (Hz): 1512.000 Frequency Band: L Carrier Frequency (GHz): 1.249 Wavelength (m): 0.240 Polarization Channel: HH Product Type: Survey Image Data Take Start GMT: 1994/277:10:10:37.8 Data Take End GMT: 1994/277:10:12:06.7 Data Take Duration (min:sec): 1:30 Latitude at Start GMT: 42 deg 15.4' N Longitude at Start GMT: 72 deg 53.9' W Latitude at End GMT: 46 deg 17.2' N Longitude at End GMT: 67 deg 3.8' W Center Incidence Angle (deg): 31.9 Track Angle at Image Center: 45.8 deg E of True North Along-Track Image Size (km): 644.8 Cross-Track Image Size (km): 18.0 Along-Track Resolution (m): 106 Cross-Track Resolution (m): 61 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): 4.3 Bit Error Rate (exponent): 0.0 Number of Looks: 4.0 Image Segment Size (km): 100 Image Segments: 7 Bytes per Record: 2000 Records per Segment: 510 Product Generation Date: Jan 10, 1995 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: 40785 Comments: SEG_01 Lat/Long Near Early: 42 deg 12.1' N 72 deg 49.2' W Lat/Long Far Early: 42 deg 18.7' N 72 deg 58.5' W GMT Center 1994/277:10:10:44.7 Lat/Long Center: 42 deg 34.8' N 72 deg 28.4' W Lat/Long Near Late: 42 deg 50.8' N 71 deg 58.1' W Lat/Long Far Late: 42 deg 57.5' N 72 deg 7.4' W SEG_02 Lat/Long Near Early: 42 deg 50.8' N 71 deg 58.1' W Lat/Long Far Early: 42 deg 57.5' N 72 deg 7.4' W GMT Center 1994/277:10:10:58.5 Lat/Long Center: 43 deg 13.4' N 71 deg 36.8' W Lat/Long Near Late: 43 deg 29.0' N 71 deg 5.8' W Lat/Long Far Late: 43 deg 35.9' N 71 deg 15.2' W SEG_03 Lat/Long Near Early: 43 deg 29.0' N 71 deg 5.8' W Lat/Long Far Early: 43 deg 35.9' N 71 deg 15.2' W GMT Center 1994/277:10:11:12.3 Lat/Long Center: 43 deg 51.5' N 70 deg 44.0' W Lat/Long Near Late: 44 deg 6.9' N 70 deg 12.4' W Lat/Long Far Late: 44 deg 13.8' N 70 deg 21.8' W SEG_04 Lat/Long Near Early: 44 deg 6.9' N 70 deg 12.4' W Lat/Long Far Early: 44 deg 13.8' N 70 deg 21.8' W GMT Center 1994/277:10:11:26.0 Lat/Long Center: 44 deg 29.1' N 69 deg 50.0' W Lat/Long Near Late: 44 deg 44.2' N 69 deg 17.8' W Lat/Long Far Late: 44 deg 51.2' N 69 deg 27.2' W SEG_05 Lat/Long Near Early: 44 deg 44.2' N 69 deg 17.8' W Lat/Long Far Early: 44 deg 51.2' N 69 deg 27.2' W GMT Center 1994/277:10:11:39.8 Lat/Long Center: 45 deg 6.2' N 68 deg 54.8' W Lat/Long Near Late: 45 deg 21.1' N 68 deg 22.0' W Lat/Long Far Late: 45 deg 28.2' N 68 deg 31.4' W SEG_06 Lat/Long Near Early: 45 deg 21.1' N 68 deg 22.0' W Lat/Long Far Early: 45 deg 28.2' N 68 deg 31.4' W GMT Center 1994/277:10:11:53.6 Lat/Long Center: 45 deg 42.9' N 67 deg 58.3' W Lat/Long Near Late: 45 deg 57.4' N 67 deg 24.9' W Lat/Long Far Late: 46 deg 4.6' N 67 deg 34.3' W SEG_07 Lat/Long Near Early: 45 deg 57.4' N 67 deg 24.9' W Lat/Long Far Early: 46 deg 4.6' N 67 deg 34.3' W Lat/Long Near Data End: 46 deg 13.5' N 66 deg 59.1' W Lat/Long Far Data End: 46 deg 20.8' N 67 deg 8.5' W