Amateur Radio Archive

DIY NVIS Antenna Using a Mag Mount

Part of being a ham radio operator is to provide communications in times of emergencies. With the upcoming Ohio NVIS Antenna Day, I decided to look into NVIS antennas. NVIS antennas, also known as Near Incident Vertical

Charge Yaesu VX-1R Via a USB Port

One of the many features of the Yaesu VX-1 is its extensive receive capabilities, including the AM & FM broadcast band, as well as 108 – 999 mHz (less cellular). With the 3.7 volt Lithium battery, it

DIY Solar Gel Cell Battery Charger using a LM317

Recently I needed to use a solar panel to charge a 12 volt Gel Cell Battery. So I went on Amazon and bought a solar charge controller similar to this one. However there was a problem, this particular charge

Bond Ground Rods With Exothermic Welding

At work, I recently put in a ground system for our new translator, which requires a good ground system. A critical part of that is properly bonding the copper ground wires to the ground rod. The best

2 Meter Turnstile Antenna For Amateur Satellite Communication

Here are construction plans of a Turnstile antenna that I use for space communication on the 2 meter amateur radio band. Specifically for 145.80 mHz. A Turnstile antenna with a reflector underneath it makes a good antenna

2 Meter Antenna for Bicycle Mobile Operation

Perhaps the biggest problem with taking your HT bicycling is coming up with a decent antenna on your bicycle. This is because the bike doesn’t provide much of a ground plane. I found an article in the ARRL’s