Product introduction

FY-4A meteorological satellite is China's second generation of geostationary quantitative remote sensing meteorological satellite, using a three-axis stability control scheme, will replace the spin-stable FY-2 series satellites, as a new generation of geostationary quantitative remote sensing meteorological satellite, the function and performance of FY-4A meteorological satellite has achieved leapfrog development.

Technical indicators

1) Antenna diameter: 4.5~7.3m

2) Antenna form: ringfocus dual reflective surface antenna

3) Working frequency: receive 1670~1710MHz

4) Polarization method: horizontal, vertical orthogonal line polarization

5) Frequency range: 1.660~1.710 GHz;

6) Demodulation mode: BPSK, QPSK or 8PSK;

7) Working environment:

Outdoor: -40°C~+55°C

Indoor: 5°C~+40°C