Model 1254 combines the satisfaction of the kit building experience with the performance features expected in a modern HF receiver. Building one’s own receiver from a kit has launched countless thousands of people into communications careers or the hobbies of amateur radio and shortwave listening (“SWLing”). You will build a true dual-conversion superhet with a…
Yuri Gagarin Special Event Stations Many special event stations will be active around the world this week to celebrate the 50th anniversary of the first human space flight Special event stations R50YG and R50SK are active from Baikonur until April 14 and the special call R50KEDR will be on the air on April 12…
Description Elektor Electronic Toolbox combines electronic reference material with calculation and conversion tools in one handy app. Whether a professional or hobbyist, the app gives users a collection of the most important electrical information right at their fingertips. PLEASE NOTE: The App supports the following languages: English, French, German, Italian, Netherlands, Spanish and runs on…
I use separate phased Beverage (note the capitalization, this is a man’s name!) arrays on 160M, 80M and 40M. (hey… why do u refer to 80M as 75M??? 300 divided by 3.75 = 80 !!! Or have ur SS interests caused to to forget about (80M!) freqs below 3900 kHz?) If u are planning to…
“The new device I designed, named Wave Bubble, is intended to defend the user’s personal space from unwanted wireless communication by creating a personal “cold spot” bubble where RF devices such as those mentioned do not function.” Attached below is a thesis submitted for partial fulfillment of a Bachelor of Science in Electrical Engineering and…