wb8erj Archive

Stop EMI / RFI Interference in Off Grid Solar PV Systems

Being a Ham radio operator, I am quite aware of EMI and RFI radiation interfering with my radios. Recently I added an Off Grid Solar PV system to my ham radio station. Using solar panels is great

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

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

DIY 70cm – 440 mHz J Pole Construction Plans

Here is an inexpensive J-pole antenna that is easy to construct. In about an hours time, and about $10 worth of materials, you can have a great performing omnidirectional j-pole antenna. This antenna is based on the