Active omnidirectional magnetic antenna differential receiving device for long-wave positioning navigation time service

The utility model discloses an active omnidirectional magnetic antenna differential receiving device for long-wave positioning, navigation and time service, which comprises a long magnetic core and two short magnetic cores, the two short magnetic cores are respectively positioned on two sides of the long magnetic core, the three magnetic cores are crossed, a group of receiving coils are respectively wound at two ends of the long magnetic core, and a group of receiving coils are respectively wound at two ends of the long magnetic core. A group of receiving coils is wound on each of the two short magnetic cores, lead terminals of the four groups of receiving coils are all connected to the common ground of the circuit board, and in addition, the four groups of receiving coils are electrically connected with an amplifying circuit respectively. According to the receiving device disclosed by the utility model, the omni-directivity and miniaturization of the magnetic antenna are realized, and the anti-interference c