TABLE EESS (passive) sensor characteristics operating between 174.8 and 191.8 GHz Sensor Q1 Sensor Q2 Sensor Q3 Sensor Q4 Sensor Q5 Sensor Q6 Sensor Q7 Conical scan Cross-track scan Limb sounder Mechanical Conical scan Nadir scan Sensor type nadir scan Orbit parameters Altitude 828 km 705 km 824 km 835 km 867 km 822 km Inclination 98.7° 98.2° 98.7° 98.85° 20 98.7° Eccentricity 0 0.001 Repeat period 17 days 16 days 9 days N/A 7 days 29 days Sensor antenna parameters Number of beams 2 1 2 96 earth fields 6 1 per scan period (steerable in 90 earth fields per scan period) Reflector diameter 0.48 × 0.71 m 0.219 m 1.6 × 0.8 m 0.127 m 0.6 m 0.2 m 0.22 m Maximum beam gain 54 dBi 45 dBi 60 dBi 43.9 dBi dBi 49 dBi 44.8 dBi Polarization V Linear V QH V H QV dB beamwidth 0.39° 1.1° 0.19° × 0.245 1.1° 0.° 0.66° 1.1° −3 Instantaneous field of 16 km × 12 km 14 km 4.5 km × 9 km Nadir FOV: Outer FOV: At nadir 10 km × Nadir FOV: view 15.8 km × km 10 km 16 km Outer FOV: At swath limit Outer FOV: 53 × 68.4 × 30 km 14 km × 22 km 27 km Off-nadir pointing 46.8° ±48.95° N/A ±52.725° 5.° 42 49.4 angle
TABLE EESS (passive) sensor characteristics operating between 174.8 and 191.8 GHz Sensor Q1 Sensor Q2 Sensor Q3 Sensor Q4 Sensor Q5 Sensor Q6 Sensor Q7 Sensor type Conical scan Cross-track scan Limb sounder Mechanical nadir scan Conical scan Nadir scan Orbit parameters Altitude 828 km 705 km 824 km 835 km 867 km 822 km Inclination 98.7° 98.2° 98.7° 98.85° 20 98.7° Eccentricity 0 0.001 Repeat period 17 days 16 days 9 days N/A 7 days 29 days Sensor antenna parameters Number of beams 2 1 2 96 earth fields per scan period 6 1 (steerable in 90 earth fields per scan period) Reflector diameter 0.48 × 0.71 m 0.219 m 1.6 × 0.8 m 0.127 m 0.6 m 0.2 m 0.22 m Maximum beam gain 54 dBi 45 dBi 60 dBi 43.9 dBi dBi 49 dBi 44.8 dBi Polarization V Linear V QH V H QV −3 dB beamwidth 0.39° 1.1° 0.19° × 0.245 1.1° 0.° 0.66° 1.1° Instantaneous field of view 16 km × 12 km 14 km 4.5 km × 9 km Nadir FOV: 15.8 km Outer FOV: 68.4 × 30 km Outer FOV: × km At nadir 10 km × 10 km At swath limit 14 km × 22 km Nadir FOV: 16 km Outer FOV: 53 × 27 km Off-nadir pointing angle 46.8° ±48.95° N/A ±52.725° 5.° 42 49.4
US7C_116_NC_RS.1861.docx