************************** Radar Input File Name: 07506radar_01.rdf Site Input File Name: 07506site_01.rdf GCP Input File Name: 07506gcp_01.rdf ADP File Name: 00035401.adp Flight Date (Day, Month, Year): 54/03/00 Comments: Askja Caldera, Iceland. Extension of line 07502 towards the northeast. LEAD to PRE is 0 km, PRE to STA is 10 km. Antenna Transmit Cal Pulse Enabled Antenna Receive Cal Pulse Enabled Sniffer Pulse Enabled Calibration Pulse Interval: 255 pulses BFPQ compression: 8, Block Size 128 Targeted steering angles relative to planned track angle: First: 0. Second: 0. Third: 0. Fourth: 0. Radar set up for POLSAR Method: Center Expected Wind Speed (m/s) and Direction (deg) : 40. 45. Planned Ground Speed (m/s and Direction (deg) : 221. 74.8499985 Planned Ground Speed (knots) : 429.589508 Expected air speed (m/s) and Direction (deg) : 187.367523 80.9496307 Expected drift angle (positive is counter clockwise): 353.90036 Expected drift angle within desired range 12. Squint at near range is 7.12013102km Assuming maximum squint angle of 12. Site Name:Icelnd_07506 ************************** Aircraft height planned 12496.7998 m 40999.875 ft Finding maximum ground range swath width actual ground swath width of (m): 22215.0117 Pad of : 0 of DW is added to DW DW Increment : 10 DW Increment corresponds to : 900. m The Range Swath is : 16.4885864 km Estimated Data Window Duration: 150 microseconds This includes 40 microseconds for the pulse length Maximum Data Window Duration: 150 microseconds Minimum Data Window Duration: 50 microseconds Flight plan length in km (not including shortbit) 90.000267 including the azimuth reference function length of 8. km and a pad on each side for a maximum squint of 7.12013102 km This flight line will take 7.69999981 minutes to fly Data only: 6.80000019 minutes to fly (excluding PRE-STA and STO-POS) Latitude range: 20. to 66.5 Season: 1 (0-all, 1-winter, 2-summer) Temperature at altitude 12496.7998 m expected to be -57.220871 r_aircraft_across_track: 15370.6162 r_latrun, r_lonrun, r_peg_head 65.0835114 -16.5826664 74.8499985 shiftdistance: 0. Center of image Swath: 65.0835114 -16.5826664 Nominal Length of line (km): 90.000267 Flight heading 74.8499985 Aircraft center position (latitude, longtitude): 64.9503326 -16.4976215 Altitude (m, ft): 12496.7998 40999.875 Shift along track (km): 0. Minimum Nadir distance to ground = 12095.2627 m Horizontal distance to near range: 4230.40186 m Minimum near range distance: 11928.6348 m Nominal Pulse Length (microsec): 40 Minimum time to allow for data receive (microsec): 45. Minimum 2-way return time to nadir (microsec): 80.6909103 Minimum 2-way return time to near range (microsec): 79.5792847 Number of Minor PRFs per PRF: 2 desired PRF major 362.531708 desired PRI major 2758.37939 allowed PRI major 2760. Initial Estimate of Minor PRF(hz): 725.063416 Initial Estimate of Minor PRI (microsec): 1379.1897 Major PRI must be an integer multiple of 4 Nominal aircraft speed of 221. Major Delta PRI of 2 Implies Minor PRF of 724.637695 hz and a PRI of 1380. microsecond Major PRI is 2760. Updated Ground_Spacing (ft): 2.00117493 Maximum Major PRI: 3500 Minimum Major PRI: 1000 ground spacing is less than half the azimuth antenna length Azimuth Antenna Length is 1.5 m ground spacing is 0.60995996 m Nominal Pulse Lenth is being used: 40 Pulse Length Increment (microsec) is 2 Pulse Length Maximum (microsec) is 50 Pulse Length Minimum (microsec) is 4 Receiver Delay: 5. microseconds Final duty rate: 0.0333333351 CTU adds 6. microseconds in calculation of duty cycle Pulse Length (microsec): 40 Duty Cycle: 0.0333333351 Maximum Duty Cycle : 0.0500000007 Science Data Rate: Sampling Rate Mhz 180. Data Window Length (microseconds) 150 Number of Samples per Pulse: 27000. Number of Blocks in Pulse: 210 Number of header bytes per pulse: 700 Number of bits per sample: 8 Number of bits per block: 1024 Number of bytes per block: 128 Number of bytes per pulse: 27790 Data Rate per receiver channel (B/s, MB/s): 20137682. 19.2047901 Maximum data rate per receiver channel is: 35. The PRI_MIN such that data rate does not exceed the allowed data rate: 1514 The PRI_Min such that the ground spacing is less than half the Azimuth Antenna Length 1034 The PRI_Min such that the Maximum Duty Cycle 0.0500000007 is not exceeded is 1600 PRI Min: 1600 Final PRI Min: 1600 Total Data Rate (B/s, MB/s): 40275364. 38.4095802 Maximum Data Rate to JBOD (MB/s): 120. Estimated Total Science Data Volume for this run (bytes,Gbytes): 1.64323482E+10 15.3038168 Timing delay of 25. added to DWP Average Terrain Height 1/3 into swath for entire run: 768.646484 Average Terrain slope 1/3 into swath for entire run: -0.0868088752 Minimum Terrain Height 1/3 into swath for entire run: 513.069824 Maximum Terrain Height 1/3 into swath for entire run: 1263.89233 Expected Target Terrain Height: 784. Initial Look Angle (deg) 20. Average HH backscatter (within incidence angle limits) for entire run: -18.2441444 Average HV backscatter (within incidence angle limits) for entire run: -28.0666809 Average VV backscatter (within incidence angle limits) for entire run: -18.1088524 near range, end of image: 65.0899582 -15.593483 far range, end of image: 65.2823257 -15.7174444 near swath, beginning of image: 64.8789673 -17.4415112 far swath, beginning of image: 65.0713348 -17.5644951 Power Transmitted: 3.20000005 kw Total Antenna Gain 19.8999996 HH Received Power: -80.9036636 Average HH sigma0 at beginning of run: -17.1426029 HV Received Power: -91.4017258 Average HV sigma0 at beginning of run: -27.6406689 VV Received Power: -81.1609802 Average HV sigma0 at beginning of run: -17.3999233 Desired Power Level at attenna: -15. Reference Range, actual range 18.625 19.2469692 Reference Pulse Width, actual 40. 40 Reference Incidence Angle, actual 45. 52.9218826 Reference Target Sigma0(CO, CROSS), actual -8. -10. -17.1426029 Avg terrain slope (deg) -0.0868088752 Gain Correction to Attenuator values (HH): 6. Gain Correction to Attenuator values (HV): -4. Gain Correction to Attenuator values (VV): 6. ----- PRE and STA waypoints estimated DWP: 108 microseconds Maximum DWP: 510 microseconds Minimum DWP : 20 microseconds DWP: 108 microsec, Data Window Duration: 150 microsec Actual Ground Swath: 22215.0117 m, Desired Ground Swath: 16000. m Near Range Look Angle: 19.993063 Far Range Look Angle: 66.266243 Optimum Steering Angle: 52.8350754 Terrain Height 1/3 into swath: 764.445496 Near range distance: 16188.792 Nadir distance: 11659.6836 find STA: 64.9503326 -16.4976215 ,shift: 45.0001335 PRE Longitude : -17.615591 Latitude: 64.8171768 PRE loxodromic heading 74.2521515 STA Longitude : -17.4131889 Latitude: 64.8420029 STA loxodromic heading 74.8952866 Distance from PRE: 10. km ---- STO and POS waypoints DWP: 110 microsec, Data Window Duration: 150 microsec Actual Ground Swath: 22215.0117 m, Desired Ground Swath: 16000. m Near Range Look Angle: 19.3099194 Far Range Look Angle: 65.4613342 Optimum Steering Angle: 52.8350754 Terrain Height 1/3 into swath: 562.120483 STO Longitude : -15.5773401 Latitude: 65.0570755 STO loxodromic heading 74.894928 Distance from PRE: 100. km POS Longitude : -15.5362778 Latitude: 65.0616837 Distance from PRE: 102. km POS loxodromic heading 74.6794815 *****************************