Ham Radio Mini Beam
Years ago, ham radio operators more often than not had land, and usually there weren’t any restrictions on what kind of antenna they could erect on that land. These days …read more Continue reading Ham Radio Mini Beam
Tag Archives: Antenna
The Dipole Antenna Isn’t as Simple as it Appears
Dipole antennas are easy, right? Just follow the formula, cut two pieces of wire, attach your feedline, and you’re on the air. But then again, maybe not. You’re always advised …read more Continue reading The Dipole Antenna Isn’t as Simple as it Appears
Adding Smart Watch Features to Vintage Casio
[Matteo] has been a fan of the Casio F-91W wristwatch virtually since its release in 1989. And not without good reason, either. The watch boasts reliable timekeeping and extremely long …read more Continue reading Adding Smart Watch Features to Vintage Casio
Headset’s Poor Range Fixed By Replacing Antenna
[rafii6312]’s Corsair HS80 wireless headset had a big problem: short range. The sound quality was great, but the wireless range wasn’t winning any friends. Fortunately, the solution was just to …read more Continue reading Headset’s Poor Range Fixed By Replacing Antenna
Cornering the Antenna Market
Sometimes antennas can seem like black magic. However, when you see things like a dish antenna, it sort of makes sense, right? Just like a mirror focuses light, the parabola …read more Continue reading Cornering the Antenna Market
ESA’s Jupiter-bound Probe Hits Antenna Snag
While the few minutes it takes for a spacecraft’s booster rocket to claw its way out of Earth’s gravity well might be the most obviously hazardous period of the mission, …read more Continue reading ESA’s Jupiter-bound Probe Hits Antenna Snag
Don’t Let The Baluns Float Over Your Head
Most ham radio operators will build an antenna of some sort when they first start listening or transmitting, whether it’s a simple dipole, a beam antenna like a Yagi, or …read more Continue reading Don’t Let The Baluns Float Over Your Head
Your Multimeter Might Be Lying To You
Multimeters are indispensable tools when working on electronics. It’s almost impossible to build any but the most basic of circuits without one to test and troubleshoot potential issues, and they …read more Continue reading Your Multimeter Might Be Lying To You
Printing Antennas on Circuit Boards
Yagi-Uda antennas, or simply “Yagis”, are directional antennas that focus radio waves to increase gain, meaning that the radio waves can travel further in that direction for a given transmitter …read more Continue reading Printing Antennas on Circuit Boards
Cold War Listening Post Antennas
With a UHF antenna, it is easy to rotate a directional antenna to find the bearing to a transmitter. But at HF, it is more common to use an array …read more Continue reading Cold War Listening Post Antennas