The author is a consultant in Carterton, New Zealand. This follows up his December article “Tuned Bandpass Filter Is Solution to Backup STL.” Many years ago, the active whip antenna and the active ...

Standard whip or rubber duck antennas are extremely common due to their low cost and design simplicity. They work very well for long range transmission when the orientation doesn’t change and ...

After my recent Jensen JHD-910 radio article was posted on webBikeWorld, an astute reader commented about the importance of the antenna. He and radio pioneer Marconi were absolutely correct, in that ...

A CB radio is often one of those items that you don't feel you need until you are the one guy on the trail without one. Everyone is having a great time chatting on the road, and you are left out. Not ...

When radios were first introduced into cars in the early 1930s (thank you, Motorola) they were basic AM-band units. Power came from the 6-V car battery (12 volts did not become standard until the ...