Radio frequencies interferences how to find and to fix it

Radio frequency interference how to find and to fix itcurable ed hazre ka1cvannoyance or neighborhood scourge? What is it? • Black bars that flash across a tv picture in a curious. Rhythmic pattern. • A garage—door opener that opens or closes by itself. • A raucous buzz that drowns out am stations. • Car engine stumble or hesitation near radio towers. • Anonymous 'good buddies" that drown out music on a stereo • a touch—controlled lamp with a mind of its own. These strange behaviors (and countless others) may be effects of electromagnetic interterence (rfi/emi). It you ever experience these or similar problems. This book will help. Here, the arrl nas combined the work of numerous interterence experts for your convenience. Fixed price: 5 euro weight:650 grammes