A new generation of S-band Doppler weather radar antenna and S-band 8.5m diameter Doppler weather radar antenna were produced more than 100 sets totally, and C-band 8.5m diameter dual-polarization weather radar antenna is also available.
Weather radar antenna
Performance index of antenna servo system in S band with single polarization.
| Series No. | Item | Performance requirements |
| 1 | Aperture | 8.5m |
| 2 | Working frequency | 2.70GHz~3.00GHz |
| 3 | Beam width | ≤0.99° |
| 4 | Gain | ≥44.5dB |
| 5 | Polarization mode | · Horizontal line polarization |
| 6 | First sidelobe level | ≤-29dB;wide angle sidelobe:±2°~10°:located below -29dB~-38dB connection line;±10~90°:≤-42dB |
| 7 | Voltage to standing wave radio | ≤1.45 |
| 8 | Rotation range | 360° continuous rotation; pitch -1° to +90° continuous rotation. |
| 9 | Rotation speed | Azimuth 0°~36°/s; pitch 0°~36°/s. |
| 10 | Speed accuracy | Azimuth, pitch ≤±5% |
| 11 | Angle acceleration/deceleration speed | Position, pitch: 15°/S2~19°/S2 |
| 12 | Position error | Azimuth and pitch ≤±0.1o |
Airborne X band radar antenna
Performance index
| Series No | Item | Indicator capacity |
| 1 | Working frequency | X band |
| 2 | Beam forming range | Pitch 45° cosecant squared |
| 3 | Polarization | vertical |
| 4 | Gain | ≥ 23dB |
| 5 | Sidelobe level | ≤ -20dB |
| 6 | Antenna weight | ≤ 10Kg |
| 7 | Antenna volume | ≤400mm×600mm×60mm |
| 8 | Working temperature | -55℃~75℃ |