Fully assembled and tested in the USA by K9DP. This is the Male/Female BNC connector version. Connect the filter directly to your QRP radio without adapters! Designed to help HF radios and receivers ...

As discussed in Part 1 of this series, as the frequency of a single or coupled tuned circuits is increased, the selectivity decreases to the point that there may be insufficient selectivity at the ...

We will have all at some point seen a fascinating project online, only to find not enough information to really appreciate and understand it. Such a project came [Bill Meara]’s way over at the ...

There are two ways to deal with improving ham radio receivers, or — for that matter — any sort of receiver. You can filter and modify the radio frequency including the radio’s intermediate frequency, ...

Back in the 1960’s, the entry level amateur radio license was called the novice license. To earn this license, you needed to ...

The article that appeared in this magazine and in EDN last year about ham radio in the 21st century generated a lot of interest and a lot of questions about various aspects of the hobby. This article ...

MELBOURNE, Fla.--(BUSINESS WIRE)--L3Harris Technologies (NYSE:LHX) has been awarded a development prototype contract from the U.S. Air Force for the L3Harris Falcon® Wideband Airborne HF Radio and ...

Although Digital Radio Mondiale (DRM) services have been broadcast since 2003, it is only recently that domestic portable receivers have entered the market. The senstivity of this early equipment has ...

Rochester, New York, USA (PRWEB) May 12, 2015 - Codan Radio Communications, a division of Codan Limited (ASX-CDA), under a prime contract awarded to By Light Professional IT Services, Inc, has ...