K4RJT, Author at

Record Platter Speeds & Sizes, Quiz 05/30/26

Today’s quiz is about physical audio platters(records), their rpm speeds & sizes Background: In the golden age of physical audio records, certain rpm speeds became the industry standards after the famous “War of the Speeds” in 1948–1949 between Columbia records and RCA. By the 1960s, nearly every consumer record player (turntable/phonograph) included a speed selector […]

Magnetic Tape Recorder, Quiz 05/16/26

May 16, 2026, marks the 80th anniversary of the world’s first demonstration of a high-fidelity magnetic tape recorder to the Institute of Radio Engineers in San Francisco. Today’s quiz is about the high-fidelity magnetic tape recorder (it’s a fascinating story) In 1946, Engineer Jack Mullin demonstrates the world’s first high-fidelity magnetic tape recorder to the […]

1933 King Kong Movie, Quiz 3/7/26

On this day, March 7, 1933, the original movie King Kong opened widely in New York city. Background:King Kong premiered in New York City on March 2, 1933, it opened simultaneously at Radio City Music Hall and the nearby RKO Roxy Theatre to handle huge crowds. It was an immediate sensation—drawing an estimated 50,000 people […]

NY4D/Lowell

Name: Lowell P RiegerLocation: Savannah, GADate of Passing: Febuary 1, 2026QRZ: https://www.qrz.com/db/NY4DObit: None Found

Crossing The Rubicon, Quiz 1/10/26

On this day, January 10, 49BC, Julius Caesar crosses the Rubicon, defying the Roman Senate and igniting civil war. Today’s quiz is about Julius Caesar’s crossing BackgroundBy 49 BC, Julius Caesar was one of Rome’s most successful generals, fresh from conquering Gaul (modern France). His victories made him immensely popular with the army and the […]