The effect of the maritime environment on radio frequency (RF) propagation is not well understood. In this work. we study the propagation of ad hoc 2. 4 GHz and 5 GHz wireless local area network systems typically used for near-shore operation of unmanned surface vehicles. https://www.diegojavierfares.com/flash-offer-A-D-EJ-123-Newton-Compact-Balance-Scale-120-x-0-001-g-hot-grab/