If you search for W4RNL you will find many great articles on antennas, tuners, etc. Ron, K5DUZ

Highly recommended reading. Note recommendation about not connecting the counterpoise to the station ground. Long wire antenna random wire Long wire antenna random wire Ron, K5DUZ

Just because an antenna can be matched doesn't mean that it is a good radiator. For one thing, the radiation pattern gets very complex at higher freq. Height above ground has a major impact on the ver

You might find this one helpful as well https://www.qsl.net/sp9hzx/img/The%20Beginner%27s%20Handbook%20of%20Amateur%20Radio.pdf

This one is from the vacuum tube era, but the theory sections are very good. The Radio Handbook (William Orr, Editor) 15th Edition 1959 : Free Download, Borrow, and Streaming : Internet Archive The Ra

This one has much more math, but is very good. Radio Hobbyist's Designbook Radio Hobbyist's Designbook Hans Summers I am a simple enthusiast attempting to convey my love and enjoyment of radio, electr

This is a good read and it is free. Crystal Sets to Sideband Crystal Sets to Sideband

Contact Dale, WC7S in WY

I used screen door springs on each end of an 80m dipole. I had to put two springs in parallel to handle the weight. The screen door springs stretch quite a bit, so they worked perfectly to counter the

Try taking it outside away from any nearby source of r.f. noise. It may be picking up the buzz from a computer, t.v. or other electrical device. Ron, K5DUZ

A search for "CW resonant speaker" turns up several links, one of which is: kd7rem's Resonant Speaker for CW kd7rem's Resonant Speaker for CW

Let me try to shed a little light on this topic. W/o a protection diode across the DC relay coil, when the circuit is opened, the coil becomes an energy source due to the energy stored in the electrom