Peirre, KM4WSJ, lives in Florida and is often victim to powerful lightning and thunder storms and is forced to disconnect his antenna. His question to Dave, Can you recommend a homebrew antenna that I could use indoors and could switch from the outdoor to the indoor during thunderstorms?
In the midst of packing for my DXpedition / SCUBA dive trip to San Salvador Island, I felt the need to start a series on designing and building a port... Read more
Arc-Free Operation Two heavy duty 4.5 kV transmitting variable capacitors and a massive high current roller inductor gives you arc-free operation up t... Read more
MFJ-269C Covers 530 KHz-230 MHz and 415-470 MHz . . . SWR . . . Complex RFImpedance: Resistance(R) and Reactance(X) or Magnitude(Z) and Phase(degrees)... Read more
Four radio amateurs will head to the International Space Station (ISS) aboard a commercial flight, thanks to Amateur Radio on the International Space... Read more
The GENESIS-L and GENESIS-N ham radio satellites were among several carrying amateur radio payloads lost following the failure of the Firefly Alpha ro... Read more