Based on analysing the AX.25 packet radio protocol, a data communication controller for VHF/HF and corresponding software for terminal communication are designed in this paper.

• 本文在分析分组无线 网AX.；25协议基础上，设计了一种用于VHF/HF的数据通信控制器，并 编制了相应的终端通信软件。