Amateur radio lovers, questions about roof antennas.

1. First, you must obtain a radio operation license, which is the responsibility of China Radio Sports Association. This is equivalent to your motor vehicle driver's license.

2. After receiving the operation license, take your radio station to the local administrative committee for machine inspection and apply for setting up a station, which is equivalent to licensing a motor vehicle.

3. After the above two items are passed, there is no management committee to survey and determine the latitude and longitude information of the site according to the location you applied for.

4. After formal approval, antennas such as tie rods, yagi and directional antennas can be built.

The above is the prescribed normal process. As for how to deal with it in various places, it depends on local conditions. But according to your description, you are in the flight path, and the possibility that you can reply is very small. It is not recommended to use high-power equipment!