The fifth edition features new and updated material. Highlights include......a thoroughly revised discussion of receiving antennas. You ll discover how to greatly enhance their operational bandwidth. In addition, low-signal transformers for Beverages and other receive-only antennas are analyzed in g...

Five Oceans' non-automatic bilge pumps offer water evacuation activated by a panel or float switch. Our larger impeller design and more robust motor allow us to outperform our competitors. Our removable strainer base fits industry standard mounting conventions though, so you'll have no problem chang...

Features: The submersible bilge pumps are tough enough for any bilge. High Flow: for use from 22-234L / Min (1.32-14.04 cubic meters / hour) Small size, high efficiency, low current (low cost switching power supply supporting); to achieve a small size perfect combination of high flow Unique automati...

Features: The submersible bilge pumps are tough enough for any bilge. High Flow: for use from 22-234L / Min (1.32-14.04 cubic meters / hour) Small size, high efficiency, low current (low cost switching power supply supporting); to achieve a small size perfect combination of high flow Unique automati...