Why does Guangzhou pull the air defense alarm now (it's 4 o'clock in the afternoon)

The third Saturday in September every year is the legal "National Defense Education Day" in China, and it is also the annual air defense warning trial day in the whole province.

From September 12 to 20, the "Yangcheng Tiandun -2008" urban civil air defense attack exercise will be held in Guangzhou. Among them, from the early morning of September 20th 1 1: 32 to the early morning 1 1: 50, the whole city tried out air defense warning. During the period, except for the units and personnel responsible for the exercise, the city's production, living order and social activities were carried out as usual. This is what the reporter learned from the Guangzhou Civil Defense Office yesterday.

It is reported that this air defense exercise will take the lead in Yuexiu District. From 9: 00 on September 12 to 12, Yuexiu District will organize streets, neighborhood committees, etc. 120 grassroots commanders and fighters to evacuate from Yuexiu District to Conghua City's reception and resettlement area; Conghua City will arrange evacuation personnel in Yuexiu District. On the morning of September 16, Huangpu District will organize a civil air defense project conversion exercise from peacetime to wartime, and the exercise location will be selected in the basement of a dormitory in Dashadi, Huangpu District. On September 20th, from 0: 32 a.m. to 0: 50 a.m. on 165438+, the city tried out air defense warning. In addition, on the morning of September 20th, the completed municipal civil air defense information transmission network will be used to organize remote online drills in all districts (county-level cities).

During the alarm trial, all air defense alarms and mobile alarm vehicles in the city, Guangzhou TV Station Channel 34, Guangzhou People's Broadcasting Station News Information Broadcasting (FM96.2MHz), Golden Melody Music Broadcasting (FM 102.7MHz), Economic Traffic Broadcasting (FM 106. 1MHz), China Telecom Guangzhou Branch.

According to the relevant person in charge of the Municipal Civil Air Defense Office, Guangzhou has set up an exercise leading group and a preparatory office, with Su Zequn, member of the Standing Committee of the Municipal Party Committee and executive deputy mayor, as the leader of the leading group and the chief commander of the exercise. According to the problems existing in the air defense alarm sound and the feedback from the citizens, Guangzhou has also increased the distribution of air defense alarm points, and newly installed 100 air defense alarms, which makes the sound coverage wider.

The person in charge said that now urban planning requires all civil buildings (such as residential areas) to build civil air defense projects, and underground garages, shopping malls and other forms can be built to achieve the combination of peacetime and wartime (usually shopping malls, etc. , used as a bomb shelter in wartime). This work is being actively promoted.

The alarm clock went off 18 minutes.

On September 20th,11:32 ~11:35, an early warning was sounded (sounded for 36 seconds, stopped for 24 seconds, and repeated three times for three minutes).

11:40 ~1:43 Try to sound the air raid alarm (sound for 6 seconds, stop for 6 seconds, repeat 15 times for 3 minutes).

11:47 ~11:50 Try to ring the alarm (ring continuously for 3 minutes).