Characteristic analysis of UHF band propagation channel form under the sea

Recently, the radio wave communication method in the sea water has been developed by authors. The radio wave communication can be realized by attaching the dielectric material as the propagation channel between intercommunication systems in watertight cases equipped on the underwater vehicle. This method provides the high speed and the large volume data communication compared with the acoustic wave communication in the sea water. In this paper, the characteristic analysis of propagation channels of the radio wave communication in the sea water is discussed. The field intensity depending upon the form and the contact area of the propagation channel are investigated experimentally.