Information

Contesting and Its Challenges

Contesting and its challenges in amateur radio, contests are an intense activity where operators aim to make as many contacts as possible within a set period. Many new and experienced…

Ham Radio and Space: ISS Contacts

Ham radio and space, amateur operators have long dreamed of communicating beyond Earth. With the International Space Station (ISS), that dream became a reality. The ISS hosts an active amateur…

Calling CQ

Amateur radio operators use the phrase “CQ” as an open invitation to communicate. When you call CQ, you are asking for any station listening to respond. Therefore, calling CQ is…

FreeDV in Amateur Radio: New Modes

FreeDV is an open-source digital voice mode designed for use on the HF amateur radio bands. It replaces traditional analog SSB (Single Sideband voice with compressed digital audio, delivering clearer…

Toroid Mix for Baluns and Chokes

Toroid mix plays a critical role in the design and performance of baluns and common-mode chokes, especially in ham radio and RF applications. The key to effective performance lies in…