Helical antenna calculator by R.J. Edwards G4FGQ. The main reason for using a helically wound…
Become a Ham Radio Operator A Yaesu FT-2000 tranceiver. Photo by Hideki Saito on flickrAmateur radio is…
An antenna tuner, also known as a transmatch, is a device for correcting an impedance…
An antenna loading coil is an inductor placed in series with an antenna element in…
NVIS communications in the HF band Fundamentals of the propagation using near vertical incident skywave…
My name is Alexandre Grimberg, my call sign is PY1AHD. I have born in Rio…
Having Space Constraint At Your QTH To Put Up An Antenna For HF Band?.Then Try…
This is the first design of Ubuntu Ham Radio tshirt from me, Give me your…
A helical antenna is an antenna consisting of a conducting wire wound in the form…
