In planning communications systems for ships at sea, Navy scientists seek to design shipboard antennas capable of sending out substantially the same amount of energy on all directions.

antennas aboard ship for shipboard communications links. Antenna engineers have followed a basic rule: locate the antenna as high as possible for ship-to-ship circuits, locate it as low as …

Comrod has a large range of antennas and antenna systems for naval surface and submarine platforms. The range covers everything from ruggedized whips to sophisticated multi …

Antenna Engineering Services Contract “Scope” • Provide the following services: –Provide depot-level services to repair OE-538 antennas for NAVSUP and the Fleet –Develop, test and …

Inverted Cone Antenna - The inverted cone antenna is vertically polarized, omnidirectional, and very broadbanded. It is used for HF communications in ship-to-shore, broadcast, and ground …

Mar 16, 2023 · These antennas incorporate discrete circuit elements (i.e., resistors, inductors, and/or capacitors) within the actual antenna radiating element to achieve a VSWR within about …

This document provides guidance in design of broadband hf antennas on ships. The information provided will be especially useful for engineers not yet familiar with Navy ship-board hf …

The combat effectiveness of current Navy ships is antenna-limited, and the desire for increased data dissemination and connectivity with joint forces is driving the need for new antennas …

Comrod’s marine antennas are in use around the world on naval ships, merchant ships and leisure craft of all types. In addition to the commercial marine products, Comrod has a range of …

NAVY VLF ANTENNA SYSTEM REQUIREMENTS (1959) •Tunable 14.3-30 KHz •Radiated power: 1 MW •Max voltage: 200KV; Max E-field: 0.65 KV/mm •Efficiency: >50% ($500K …