The hoisting and lowering of tropical cyclone warning signals at these stations were carried out by their staff . the number of signal stations in hong kong peaked at 42 in the 1960s ( figure 3 ) 大部份信号站都设于香港警务处和海事处所属范围内，由这些部门的同事悬挂及除下信号。
2.
The meteorological station was automated in 1992 and scientific assistants were no longer posted at cheung chau . the task of hoisting and lowering of signals was taken over by the property attendants 一九九二年航空气象站转为自动气象站后，便再没有科学助理当值，只留下产业看管员驻守，负责悬挂风球。
3.
The meteorological station was automated in 1992 and scientific assistants were no longer posted at cheung chau . the task of hoisting and lowering of signals was taken over by the property attendants 一九九二年航空气象站转为自动气象站后，便再没有科学助理当值，只留下产业看管员驻守，负责悬挂风球。
4.
Most of the signal stations were located at government buildings of the hong kong police force and the marine department . the hoisting and lowering of tropical cyclone warning signals at these stations were carried out by their staff 大部份信号站都设于香港警务处和海事处所属范围内，由这些部门的同事悬挂及除下信号。
