Coverages
Spatial coverage :
- Qiwu area: latitude between 32° 35' 37" N and 32° 34' 6" N, longitude between 98° 21' 25" E and 98° 23' 18" E
- Niniu area: latitude between 33° 4' 19" N and 33° 2' 57" N, longitude between 98° 18' 39" E and 98° 20' 12" E