Ham Radio . Magnum Experimentum

Do carbon fiber poles conduct?

My recently purchased Powerwerx Wattmeter-PP came with the label upside down guiding the user to hookup the connections backwards.

With a bit of work, one can successfully feed an array of LF-HF receivers from one broadband antenna.

We examine the differences between the original and higher power version of Wolf River Coils' Silver Bullet 1000 tunable loading coils.

Some simple tweaks to a few text files try to make OpenWebRx more compatible with wider AM and FM RF bandwidths.

I use a weathered copper small transmitting loop to see if copper oxide affects antenna conductivity and hence efficiency.

Review of the smallest portable 2m antenna on the market producing full size dipole performance and stows into your pocket.

Recent metal case offerings from Raspberry Pi enclosure manufacturers help mitigate heat issues when you dare try process-heavy applications including amateur radio spotting servers.

After three years of mobile operation, I review the Diamond Antenna NR770HBNMO with appropriate K515SNMO mount including pattern measurements.

The Airspy YouLoop is a no tune, broadband, small footprint, affordable LF to HF receive antenna that works indoors.

Aviation LF/MF beacons provide the opportunity to admire electrically-small antenna design on a macroscopic scale.

Today's new SDR options and compatible software provide new ways to demonstrate radio technology to the next generation of STEM students.

Thule roof rails increased my VHF antenna mounting options on my Subaru Forester.

Quick demonstration of Time Difference of Arrival (TDoA) technique to correlate a common transmitted signal on multiple receivers to find the transmitter's location.

Months of research prove the notion compressed data over ARQ modem techniques is anything, but effective encryption.

Much has been said about the electrical disadvantages of using a magnetic mount for your VHF/UHF mobile needs.

Promoting amateur radio means to first promote technology and this American morse demo does just that.

One example of a PolyPhaser through panel protector makes one wonder if I have a counterfeit or has QC taken a turn for the worse.

For what it's worth, the myths surrounding the J antenna have been sorted out resulting in an improved version.

Data from W4GO's Virginia QSO Party operation confirms how well NVIS works from his SUV.

I add a 0.05 wavelength wire to my previous end-fed vs. center-fed dipole tests and plot the results.