You will find a lot of confusion about magnetic loop performance, in particular about how they work differently from normal antennas. Let’s dig in. Read more
Tag: hamr
Electromagnetic Waves Work
While avoiding Maxwell’s Equations, we need a basic understanding of how electromagnetic waves work. We can’t live without them. Read more
Impedance Matching Test Jig 3D Printed
Another great ham radio use for a 3D printer is making an impedance matching test jig. Cheap and cheerful. Read more
Aluminum Core PEX Loop Antenna Material
You can make an aluminum core PEX loop antenna easily. This material is cheap, lightweight and easy to form a permanent loop shape. But hard to find! Read more
LTSpice Ham Radio Simulation – Great Learning Tool
LTSpice ham radio simulation is a great way to learn more electronics and design useful projects. Why have I waited so long to use it? Read more
Diversity Antennas Vision – Finding My North Star
I built my diversity antennas vision around two wideband loop antennas, at least 100 feet apart, all connected with shielded CAT 7 cable for signals and power. Read more
Magnetic Loop Magic Continues – Wideband Next
Looking back, I have had a lot of fun with magnetic loop magic. Next up, I will try my hand at wideband active loops for diversity reception. Read more
Radio Spectrum Watching Expectations
So, are you achieving your radio spectrum watching expectations? Let’s take a look at the details of display optimization.
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SdrDx Spatial Filtering with Afedri Receiver
I finally got around to SdrDx spatial filtering. The phasing control in SdrDx software works really well with my Afedri AFE822x. Read more
Multiple Receiver Monitoring with SDR
Multiple receiver monitoring is the new normal with software defined radio. Here is how your SDR accomplishes this magic. Read more