July 2024 TSM

Price: $3.00

The Hi-Fi AM Radio Stations of the 1930s

By John Schneider W9FGH

     In 1930 the Federal Radio Commission assigned eight channels from 1712 to 2470 kHz for a police radio service, freeing up the 1500-1600 kHz spectrum which was held in reserve for future experimental broadcasting. That led to the establishment of a few new wideband high-fidelity channels.


Decoding Arthur Scherbius: Inventor of the Enigma Machine

By Georg Wiessala

     The man behind the Enigma Machine was a little remembered German inventor and businessman whose device was first rejected by German military after WWI, eventually finding a home among financial institutions which had more need at the time for secure communications.


Signal Tracing: Those Kits from Allied, Eico, PACO and Heathkit

By Rich Post KB8TAD

     Fixing radios is greatly helped by some important service instruments but and as a young and “impoverished experimenter,” the price for these devices was beyond the means of a boy with a paper route. Rich looks at the kits available at the time that made owning one a real possibility. 


Cornwall Radio and a Cape Cod Connection

By Chrissy Brand

     In May, Chrissy found herself exploring Cornwall on the southwest peninsula of England, known historically for tin mining, smugglers and a rugged coastline. It also has a deep connection with radio history, as she explains.


100 Years of Radio: KFRB and the Rialto Theater of Beeville, Texas

By Ken Reitz KS4ZR

     Every license granted by the Federal Radio Commission 100 years ago tells a story. This story involves two brothers whose modest cinema palace in rural Beeville, Texas, was intended to promote their new theater, that actually outlived their radio station by 100 years.


The 1935 Explorer II Expedition: Flight to the Edge of Space

By Scott A. Caldwell

     In 1935 the National Geographic Society and a crew made up of US Army Air Corp captains, prepared to set a record altitude flight in a balloon, just months after the first mission nearly took their lives. Onboard was an 8-watt transmitter that would broadcast their achievement to the world on shortwave.


Scanning America

By Dan Veeneman

Jasper County, Missouri


Federal Wavelengths

By Chris Parris

Florida Road Trip


Utility Planet

By Hugh Stegman

Europe: Utility Happy Hunting Ground


Shortwave Utility Logs

By Mike Chace-Ortiz and Hugh Stegman


The World of Shortwave Listening

By Valter Aguiar

Brazilian Floods; Argentine Media Shakeup; Radio Problems in Costa Rica; How Radio Overthrew a Government, and More! 


The Shortwave Listener

By Fred Waterer

June Shortwave Programming of Note


European Radio Scene

By Georg Wiessala

A Light Show ‘Up North’ and Electronic Warfare


Bits & Bytes

By Gayle Van Horn W4GVH

International Shortwave Update


Radio 101

By Ken Reitz KS4ZR

Zinwell NextGen TV Set Top Box


FM Band DX

By Loyd Van Horn W4LVH

Is this thing on? Where are all the Es


Adventures in Radio Restoration

By Rich Post KB8TAD

Four-Eyed Signal Tracers Part 1: RCA Rider Chanalyst


Digitally Speaking

By Cory GB Sickles WA3UVV

A Summer Potpourri


VHF and Above

By Joe Lynch N6CL

Al Katz K2UYH Career-long Electrical Engineering Professor and EME Pioneer (SK)

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