This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B, Easycom, and DCU-1 protocols which are supported by a myriad…

Coaxial cables are the most popular form of transmission line for getting our signals to and from our antennas. There are many types of cable to choose from and it…

In this Shack Talk article, we’ll take a look at some common mistakes new radio amateurs sometimes make. This short list comes from working with a gaggle of new hams…

Posted by Wayne KE8JFW on January 31, 2020 at 12:44 pm As we’ve written about before, the Solar Cycle is one of many things about Ham Radio that we wish we had more control…

Amateur Radio VHF/UHF Nets in India (Location Wise) Prepared by Jose Jacob, VU2JOS National Institute of Amateur Radio, Hyderabad E&OE Updates to [email protected] 6 July 2020 State Location (Dist.) Start…

1. Applicant shall first register themselves as an indivudual on Saral Sanchar Portalhttps://saralsanchar.gov.in . The login credential shall be send to the authorizedperson’s registered email ID and mobile number through…

Commonly published information tells us winding a choke or 1:1 balun on a toroid with this special winding technique increases common mode impedance (choking isolation) of an 11-turn balun on…

Author: John A. Brackemyre, K7EFX, Stockton, California © June 1, 2010 Design ScopeThe purpose of this build was to replace my 12/6-Meter inverted-vee with a rotatable antenna. Being a Special…

Dipole Antennas – the Effect of Height Above Ground I frequently hear the question: how high should my dipole be? Or alternatively, will my dipole work well at this or…

The Umbrella This post describes a simple, easy to make and erect portable vertical antenna for the low bands (160, 80 and 40M). {ed. 80, 40, 20 and 15M were proven…