Table 14. Flight plan parameters
for the PSR-A instrument aboard the NASA P-3B aircraft.
Frequency (GHz) | 10.7 | 18.7 | 21.5 | 37 | 89 |
Wavelength (cm) | 2.80 | 1.60 | 1.39 | 0.81 | 0.34 |
Beamwidth (degrees) | 8.00 | 8.00 | 8.00 | 2.30 | 2.30 |
Incidence Angle (degrees) | 55 | ||||
Altitude (m AGL) | 1524 | ||||
Ground Speed (knots) | 190 | ||||
Line Length (km) | 35 | ||||
Number of Grid Lines | 12 | ||||
Line Spacing (km) | 2.5 | ||||
Distance to Spot (km) | 2.66 | ||||
Scan Period (sec) | 5.00 | ||||
Sampling Period (msec) | 18 | ||||
Along-scan spot size (km) | 0.37 | 0.37 | 0.37 | 0.11 | 0.11 |
Across-scan spot size (km) | 0.65 | 0.65 | 0.65 | 0.19 | 0.19 |
Geometric spot size (km) | 0.49 | 0.49 | 0.49 | 0.11 | 0.11 |
Sampling along-scan (2.5=>Nyquist) | 6.17 | 6.17 | 6.17 | 1.77 | 1.77 |
Sampling across-scan (2.5=>Nyquist) | 1.34 | 1.34 | 1.34 | 0.38 | 0.38 |
Swath Width (km) | 4.35 | ||||
Swath Overlap (km) | 1.85 | ||||
Total Grid Width (km) | 31.85 | ||||
Estimated Grid Time (including turns) (min) | 96.70 |