Li gave a briefing to a group of atc personnel on 25 march 2003 . as part of a training course for atc personnel , the briefing covered such topics as the climatology and significant weather within the hong kong airspace 应民航处的要求，天文台的李联安于二零零三年三月二十五日为航空交通管制人员安排了一个简报会，作为航空交通管制员培训的一部分。
Direction finding ( df ) equipment a vhf radio station which generates a bearing line on the radar display when an aircraft transmits . it facilitates air traffic controllers to identify aircraft operating within his area of jurisdiction 它可在飞机发出通讯讯号时，在雷达屏幕上显示出该飞机的方向线，以协助航空交通管制员确认其所管制范围内之飞机。
" the new service could reduce the workload of pilots and air traffic controllers and enable them to manage their time better ; reduce congestion in radio channel ; and enhance data integrity and operational efficiency 林光宇说：新服务可减轻飞行员和航空交通管制员的工作量，让他们能更有效地运用时间；减低无线电频道的挤塞；以及提高资料准确度和运作效率。
Michael smith , a former u . s . air force air traffic controller stationed near klamath falls , ore . , in the 1960s and early 1970s , reported seeing a ufo hovering at 80 , 000 feet one night . “ i was told you keep it to yourself , ” he said 曾于20世纪60年代和70年代初在俄勒冈州克拉马斯福尔斯军事基地担任美国空军空中交通管制员的迈克尔?史密斯说，一天晚上他看到一个不明飞行物在8万英尺高空盘旋。
After the incident , the civil aviation department immediately issued instructions reminding air traffic control officers of radar control techniques and requested them to continue to be vigilant and to take every possible step to ensure flight safety 民航处在事发后已即时向航空交通管制员发出指引，提醒他们所需采用的雷达管制技巧，并且指令他们继续提高警觉，以及采取所有步骤确保飞行安全。
The amos processes the data from all the above meteorological sensors andpresents them on graphical displays for use by aviation forecasters , observersand air traffic controllers . the data will also be automatically archived for compilation of climatological statistics 当机场气象观测系统从以上气象感应仪器接收到数据后进行处理，结果在图像显示器上显示，以供航空预报员、天气观测员及航空交通管制员使用。
At the request of the civil aviation department , the observatory s l . o . li gave a briefing to a group of atc personnel on 25 march 2003 . as part of a training course for atc personnel , the briefing covered such topics as the climatology and significant weather within the hong kong airspace 应民航处的要求，天文台的李联安于二零零三年三月二十五日为航空交通管制人员安排了一个简报会，作为航空交通管制员培训的一部分。
At the request of the civil aviation department , the observatory s l . o . li gave a briefing to a group of atc personnel on 25 march 2003 . as part of a training course for atc personnel , the briefing covered such topics as the climatology and significant weather within the hong kong airspace 应民航处的要求，天文台的李联安于二零零三年三月二十五日为航空交通管制人员安排了一个简报会，作为航空交通管制员培训的一部分。
Following successful testing and system integration in end december 1999 , the backup atc facilities ( including the meterological systems ) are available for the controller familiarisationtraining and to back up the atc services in case of need . precision runway monitor ( prm ) 随著系统的测试及融合于一九九九年年底顺利完成，后备航管系统(包括气象设施)现已可用作训练航空交通管制员，以及在有需要时，支援应急航管服务之用。
