To this end , an automatic visibility meter has been installed at central to provide visibility readings
5.
Figure 1 the observatory s radar specialist mechanic is inspecting the visibility meter installed at central
6.
Figure 3 dr . b . y . lee , assistant director of the observatory , explaining the operational principle of the visibility meter to the media at central pier
7.
The hong kong observatory has installed an automatic visibility meter at central to monitor visibility of the victoria harbour round - the - clock . starting from today october 12 , real time data is made available on the following webpage on a trial basis
8.
The director of the hong kong observatory , mr c y lam , said the visibility meter at central together with the network camera previously installed provide a more comprehensive visibility information service to the public , marine and aviation community
मोबाइल