An DIY RF decibel (or power) meter is an indispensable instrument in any radio workshop. Unfortunately, accurate, wideband models are fairly expensive, and home-constructed ones are generally not ...

A sensitive and reliable rf field strength meter is an invaluable instrument in amateur radio and in radio controlled model area. A field strength meter is used to align an antenna to get the best ...

It is vitally important that cars driving past airfields or close to radar weather stations do not malfunction when illuminated by a radar beam. Over the last decade or so, powerful radar systems have ...