In 2007, the official Xinhua News Agency reported that the resolution of the BeiDou system was as high as 0.5 metres. With the existing user terminals it appears that the calibrated accuracy is 20m (100m, uncalibrated).

Answer this question, if possible (if impossible, reply "unanswerable"): According to which news agency was the BeiDou resolution as high as .7 metres?
unanswerable