January 2023 TSM

Price: $3.00

Elecraft K4: Worth the Wait?

By Mark Haverstock K8MSH

The Elecraft K4 is billed as a high-performance, direct-sampling, SDR transceiver covering 160-6 meter on transmit and 100 kHz to 54 MHz receive. Like the K3 series, 10-watt and 100-watt models are available and internal or external transverters to cover bands above 6 meters can be added. After waiting five months for delivery, Mark wondered, “Was it worth the wait?”


Radiosondes Over New Mexico

By Stan Nelson KB5VL

In 1945, following the first atomic bomb test in Alamogordo, New Mexico, strange things seemed to be happening out in the desert. Then in 1947 the local newspaper started a global sensation when it ran a report about an alien spacecraft having landed near Roswell, New Mexico. Stan Nelson speculates that the craft was simply a radiosonde balloon landing, part of Project Mogul, another secret program from this most secretive part of the US southwest.


The New UKRAA VLF Receiver

By Georg Wiessala

Over the last few years there have been many articles written about Very Low Frequency (VLF) signals—manmade and those occurring naturally. Now there’s a new VLF receiver from the UK Radio Astronomy Association. Georg get the chance to use this software defined radio in exploration of the VLF range.


Report from Radio TechCon UK

By Chrissy Brand

Radio TechCon is a conference for the UK radio and audio industry held in London since 2016. It’s aimed at radio professionals and attracts presentations from industry leaders including radio industry consultants and government officials from the BBC. Chrissy reports on the presentations, some of which speculate on the very future of the radio industry.


Broadcast Auxiliary Frequencies: What they are and Why You aren’t Supposed to Listen

By Chris Parris

Everyone is familiar with tuning in over-the-air radio and TV stations as well as public service transmissions from police and fire departments, civilian and military aircraft in the sky, NOAA weather service transmissions and so much more. Chris asks, “Did you know that there are other frequencies licensed to radio and TV stations that aren’t used for direct broadcasting? And did you know they are technically illegal to listen to?”


A Closer Look at Oscilloscopes

By Cory GB Sickles WA3UVV

As the electronics industry advanced throughout the decades, the capabilities of oscilloscopes necessarily advanced as well. Cory walks us through the various features that oscilloscopes have today and what you should look for if you’re in the market for one. He also explains that yesterday’s oscilloscopes are still valuable, especially to today’s electronics hobbyists. 


Scanning America

By Dan Veeneman

Chester County, Pennsylvania


Federal Wavelengths

By Chris Parris

Federal Frequencies for Everyone



By Larry Van Horn N5FPW

From the Darkness: A Sky Full of Military Call Signs


Utility Planet

By Hugh Stegman

Leap Seconds: 2023 Is About Time


Shortwave Utility Logs

By Mike Chase-Ortiz and Hugh Stegman


The World of Shortwave Listening

By Jeff White, NASB Secretary-Treasurer

The World’s Shortwave Broadcasters Together Again for the First Times Since 2020


The Shortwave Listener

By Fred Waterer

Winter Holidays on Shortwave


Radio 101

By Ken Reitz KS4ZR

AM DX Antennas: Long Wires and Loops Big and Small


Radio Propagation

By Tomas Hood NW7US

Where are We in Solar Cycle 25?


Adventures in Radio Restoration

By Rich Post KB8TAD

“Doorstop” Experiments: Gonset Converters and CBs


Digitally Speaking

By Cory GB Sickles WA3UVV

Interesting Times


Amateur Radio Insights

By Kirk Kleinschmidt NT0Z

Does Anyone Fear the FCC? And Frozen-North Antenna Report


VHF and Above

By Joe Lynch N6CL

Recent ARISS Contact


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