Table 3. SAR antenna requirements for the NEXTSat-2 mission vs. field test results

Parameters Field test results
Requirements Results
Frequency (GHz) 9.65 9.65
Gain (dBi) 36.9 > 36.9
Efficiency (%) 50% 50%
Beam width (MHz) 250 250
Polarization VV VV
3 dB beam width (°) Range: 2.90 Range: 2.90
Azimuth: 1.00 Azimuth: 1.00
Sidelobe level (dB) V: –13, H: –13 V: –13, H: –13
S11 level (dB) –15 > –15
SAR, synthetic aperture radar.