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 ...

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 ...

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 ...

A solar eclipse is coming up in just a few weeks, and although with its path of totality near the southern tip of South America means that not many people will be able to see it first-hand, there is ...

Many of today’s experienced engineers got their start in electronics through amateur, or “ham,” radio. (Many theories exist over the origin of the term “ham radio,” but there is no consensus.) Over ...

German company to replace HF receivers used by Canadian armed forces. Rohde & Schwarz has been awarded a five-year contract by the Canadian Department of National Defence (DND) to replace HF receivers ...

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 ...