Wideband loop amplifiers are easily automated with active antenna amplifier relay control, all for a few dollars. Read more
Tag: hamr
Dual Channel Antenna Switch with Relays
My homebrew dual channel antenna switch is up and running. It let’s be switch pairs of antennas to a bunch of two channel diversity receivers. Read more
Modern Diversity Reception at BayCon 2022
Earlier this month, I made a detailed presentation about Modern Diversity Reception at BayCon 2020, an online ham conference. Watch the video! Read more
Accumulate 3D Printing Experience – User Perspective
Here are some more comments from Matt, WX1A on his journey to accumulate 3D printing experience. You can learn a lot from him. Read more
Prusa Printer Build at WX1A
Are you ready to buy and assemble your own 3D printer? Matt, WX1A describes his Prusa printer build in detail.
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3D Printing Start-up at VE6JF
Today I am starting a series of guest articles to describe adoption and 3D printing start-up by some of my ham friends. Read more
Grey Line Propagation – Sunset in Madagascar
Grey line propagation enhancement is magic on the HF bands, for both ham radio and shortwave listening at long distances. Read more
Complex Antenna Controller with Relays
I have a new project using Arduino relays. It’s a complex antenna controller for my diversity receive system. Read more
Arduino Controlled Relays Module
You can use these Arduino controlled relays modules for all sorts of local or remote switching for your radios, antenna and other things. Read more
Reading Your Ionogram – Keeping It Simple
Here are the basics for reading your ionogram. You can discover real time propagation conditions almost anywhere in the world. Read more