************************** Radar Input File Name: 35701radar_01.rdf Site Input File Name: 35703site_01.rdf GCP Input File Name: 35701gcp_01.rdf ADP File Name: 08072901.adp Flight Date (Day, Month, Year): 29/07/08 Comments: China Lake Empire Challange 41Kft +10m 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) : 10. 45. Planned Ground Speed (m/s and Direction (deg) : 221. 357. Planned Ground Speed (knots) : 429.589508 Expected air speed (m/s) and Direction (deg) : 214.437515 355.013977 Expected drift angle (positive is counter clockwise): 1.98602295 Expected drift angle within desired range 12. Squint at near range is 6.08318663km Assuming maximum squint angle of 12. Site Name:ChinaLake_35703 ************************** Aircraft height planned 12507. m 41033.3398 ft Finding maximum ground range swath width actual ground swath width of (m): 21583.1504 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) 70.1663742 including the azimuth reference function length of 8. km and a pad on each side for a maximum squint of 6.08318663 km This flight line will take 8.80000019 minutes to fly Data only: 5.30000019 minutes to fly (excluding PRE-STA and STO-POS) Latitude range: 20. to 66.5 Season: 2 (0-all, 1-winter, 2-summer) Temperature at altitude 12507. m expected to be -50.8930016 Center of image Swath: 35.5250015 -117.265999 Nominal Length of line (km): 70.1663742 Flight heading 357. Aircraft center position (latitude, longtitude): 35.5317078 -117.107002 Altitude (m, ft): 12507. 41033.3398 Minimum Nadir distance to ground = 10764.2188 m Horizontal distance to near range: 3615.87036 m Minimum near range distance: 11556.9844 m Nominal Pulse Length (microsec): 40 Minimum time to allow for data receive (microsec): 45. Minimum 2-way return time to nadir (microsec): 71.8111343 Minimum 2-way return time to near range (microsec): 77.0999069 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): 1.28075653E+10 11.9279747 Timing delay of 25. added to DWP *** The difference between input nominal ground height and measured ground height in imaged swath is -1631.70081 m If this is incorrect, the flight plan should be re-run *** Average Terrain Height 1/3 into swath for entire run: 868.299194 Average Terrain slope 1/3 into swath for entire run: -4.37470293 Minimum Terrain Height 1/3 into swath for entire run: 506.981781 Maximum Terrain Height 1/3 into swath for entire run: 1319.8031 Expected Target Terrain Height: 2500. Initial Look Angle (deg) 20. Average HH backscatter (within incidence angle limits) for entire run: -17.1950417 Average HV backscatter (within incidence angle limits) for entire run: -27.7626839 Average VV backscatter (within incidence angle limits) for entire run: -17.3745995 near range, end of image: 35.8458595 -117.166939 far range, end of image: 35.8356705 -117.405693 near swath, beginning of image: 35.2141914 -117.127373 far swath, beginning of image: 35.2040024 -117.364265 Power Transmitted: 3.20000005 kw Total Antenna Gain 19.8999996 HH Received Power: -79.2646866 Average HH sigma0 at beginning of run: -15.8836613 HV Received Power: -90.5882874 Average HV sigma0 at beginning of run: -27.207262 VV Received Power: -79.8503571 Average HV sigma0 at beginning of run: -16.4693298 Desired Power Level at attenna: -15. Reference Range, actual range 18.625 18.4872112 Reference Pulse Width, actual 40. 40 Reference Incidence Angle, actual 45. 55.5730209 Reference Target Sigma0(CO, CROSS), actual -8. -10. -15.8836613 Avg terrain slope (deg) -4.37470293 Gain Correction to Attenuator values (HH): 8. Gain Correction to Attenuator values (HV): -4. Gain Correction to Attenuator values (VV): 6. ----- PRE and STA waypoints estimated DWP: 106 microseconds Maximum DWP: 510 microseconds Minimum DWP : 20 microseconds DWP: 106 microsec, Data Window Duration: 150 microsec Actual Ground Swath: 21583.1504 m, Desired Ground Swath: 16000. m Near Range Look Angle: 17.3345985 Far Range Look Angle: 65.3106537 Optimum Steering Angle: 51.1983185 Terrain Height 1/3 into swath: 960.928833 Near range distance: 15888.999 Nadir distance: 11609.9482 PRE Longitude : -117.075356 Latitude: 35.0357513 PRE loxodromic heading -2.99732518 STA Longitude : -117.08683 Latitude: 35.2158661 STA loxodromic heading -3.00172377 Distance from PRE: 20. km ---- STO and POS waypoints DWP: 110 microsec, Data Window Duration: 150 microsec Actual Ground Swath: 21583.1504 m, Desired Ground Swath: 16000. m Near Range Look Angle: 16.6002789 Far Range Look Angle: 64.2972107 Optimum Steering Angle: 51.1983185 Terrain Height 1/3 into swath: 881.699402 STO Longitude : -117.127563 Latitude: 35.8486938 STO loxodromic heading -2.99249411 Distance from PRE: 90.3000031 km POS Longitude : -117.13221 Latitude: 35.920784 Distance from PRE: 98.3000031 km POS loxodromic heading -2.99851274 *****************************