Radio control and signal shielding on the day of the military parade
As the 70th anniversary of China's victory in the War of Resistance Against Japan approaches, relevant measures to ensure the safety of activities have gradually been put in place. The Beijing Municipal Government recently issued a notice, deciding to implement radio control on Tiananmen and other parts of Beijing during the commemoration of the 70th anniversary of the victory of the Chinese People’s War of Resistance Against Japanese Aggression and the World Anti-Fascist War on September 3, Beijing time.
The radio control mentioned in the notice refers to the restriction or prohibition of the use of radio stations (stations), radio transmission equipment, and remote control and telemetry radio equipment in accordance with the law at a specific time and in a specific area, and measures such as technical blocking of specific radio frequencies. And mandatory management of the emission, radiation and propagation of radio waves.
The control time and area are: September 3, 2015, 0:00 to 12:00, Beijing time, centered on Tiananmen Square, west of Yansha Bridge to Shilihe Bridge on the East Third Ring Road, and Caihuying Bridge on the South Second Ring Road to Zuoanmen The bridge extends east to the north of Shilihe Bridge, from Xizhimen Bridge to the east of Caihuying Bridge on the West Second Ring Road, and from Xizhimen Bridge to Xiaojie Bridge on the North Second Ring Road to the south of Yansha Bridge to implement radio control.
The announcement stated that during the control period, with the exception of radio stations (stations) approved by the radio regulatory agency for the service guarantee commemorative conference, the use of signal jammer in the control area is prohibited from using wireless walkie-talkies (including handhelds and mobile stations), internal wireless Paging stations, wireless local area network (WLAN) outdoor base stations, wireless spread spectrum outdoor stations (stations), wireless microphones (wireless microphones), high-power cordless phones, and large (high-power) non-radio devices that radiate radio waves.
During the control period, the use of amateur radio stations, campus FM radio stations, wireless paging stations, relay stations, various types of aviation navigation and vehicle model wireless remote control equipment (including various types of drones), and the use of paging methods will be suspended Launch pad. The microwave links that route through the controlled area and the radio transmitting stations (stations) of radio and television, radar, shortwave, etc. set up in the Beijing area shall not change the approved technical parameters.
If the radio transmission equipment outside the control area causes harmful interference to the radio station (station) directly used for the service guarantee of the commemorative conference, the relevant units and individuals shall take immediate measures to eliminate the interference in accordance with the requirements of the radio management agency.
In addition, in order to ensure the air quality during the event, except for odd and even numbers, the motor vehicles of Beijing's party and government agencies at all levels and Beijing's social organizations, institutions and state-owned enterprises will be suspended for 80% all day.
In addition, the Beijing Municipal Environmental Protection Bureau, the Municipal Transportation Committee, the Municipal Economic and Information Commission and other commissions and bureaus jointly formulated a plan that between August 20 and September 4, Beijing time, Beijing will focus on motor vehicles, industrial enterprises, and coal-fired vehicles. Implement temporary control measures for boilers, construction and other aspects.
According to the plan, from 0:00 on August 20 to 24:00 on September 4, Beijing time, all housing construction and municipal infrastructure construction sites in Beijing will stop earthwork and building demolition operations, and the city’s key industrial enterprises that emit air pollutants will implement measures to stop production and limit production. , To ensure the air quality during the commemoration.
At the same time, Beijing is also actively coordinating Tianjin, Hebei Province, Shanxi Province, Inner Mongolia Autonomous Region, Shandong Province, Henan Province and other surrounding six provinces (autonomous regions, municipalities) coordinated emission reduction, to ensure air quality during the commemorative event.
Relevant comments stated that there is a precedent for restricting radio signals in China, and large-scale events have been involved before, with the purpose of ensuring the safety of events and the smoothness of live broadcasts.
