Antennas and more questions from the Technician exam pool.
Dipoles fed with an open wire line are called “Double-Zepp” or “Doublet”. The dipole (2 x Xm) may have any length, the open wire feeder (2 x Ym ), too. You can choose the lengths as your local facilities allow. At th... Read more
Confidently face power failures, power outages and blackouts with the Solar e Power Cube 1500 Plus. • A dependable power source during disasters • Very portable and equipped with wheels for easy transportation • Supplies power to AC,... Read more
*Photo by KG4AKV Jhon Brier Hamvention 2016 Ohio Designed for Weak Signal, Tropo Scatter, Meteor Scatter, Digital, & Contest Operation! The BEKO HLV-950 employs advanced German engineered solid state technology to deliver instant on, n... Read more
Although there are ways of messaging people with the Apple Watch — either with Siri dictation, or using pre-written responses and emojis — as far as I know, no-one has yet come up with the perfect method for typing and sending messages from... Read more