Network RTK UAV test [easy to understand]

Hello everyone , I meet you again , I'm your friend, Quan Jun .

Video address ：

https://v.qq.com/x/page/c0810tui04m.html

This video describes the network RTK Characteristics and application of .

• 4G The Internet RTK And radio RTK Different , radio RTK The transmission of correction data is based on a separate data transmission station , It is also most of the integrations on the market RTK The plan . Use novatai , Tianbao or Sinan , Beidou Xingtong RTK card , Plus digital radio and mobile terminal to form RTK System .4G The Internet RTK Yes, it is 4G Network to transmit correction data , Achieve the purpose of centimeter level positioning . In this way, the coverage distance is far , Cost and ordinary RTK The plan is the same . meanwhile 4G The anti-interference performance of the signal is better than that of ordinary RF data transmission .
• And Qianxun's Network RTK Different , Chihiro provides ready-made base stations and servers , The mobile terminal only needs to log in . But at present, the service charge of Qianxun is relatively expensive , Ordinary users have one account for one month 300 about , One year is 3000 many . The network described in the video RTK The principle is the same as that of Chihiro , But Chihiro is a national network , And in the video test The coverage of a base station 20KM. If you want to cover more , So, like Chihiro , Just build more base stations .
• Such networks RTK Are all the same , Because of the use of 4G Signal transmission correction data , Then only in 200 Meters below the height to use , otherwise 4G The signal has no signal at high altitude . This situation is more suitable for use on the ground or low altitude unmanned equipment .

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