我国不少无线电监测车内安装的接收机和测向仪等设备具有监测、测量短波信号的能力,但却没有配备短波频段的天线,究其原因,大多是由于短波天线都太大太重,极不方便安装于移动站。德国PLATH公 Many of China’s radio monitoring car mounted receivers and direction finders and other equipment with the ability to monitor and measure shortwave signals, but not equipped with shortwave frequency band antenna, the reason is mostly due to the shortwave antennas are too large and too heavy, Very inconvenient to install on the mobile station. Germany PLATH public