April 1945 QST
 Table
of Contents
Wax nostalgic about and learn from the history of early electronics. See articles
from
QST, published December 1915 - present (visit ARRL
for info). All copyrights hereby acknowledged.
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Here is an advertisement for Delco radios
that I scanned from page 91 of my copy of the April 1945 QST magazine.
"'Control the Air' has a new meaning today." That's the tag line referring to the
need to dominate wireless communications in the effort to conduct effective warfare.
Radio certainly wasn't a new science in 1945, but secure communications - including
spread spectrum techniques - was a vital technique both for transmitting and receiving
messages and for jamming the communication of our enemies. Even though Hollywood
actress Hedy
Lamarr and music composer
George Antheil came up with the concept of frequency hopping spread spectrum
in the early years of World War II, the
U.S. Department
of War (now known by the more socially acceptable and less formidable handle
of Department of Defense) stuck mostly with codebook encryption techniques
through the end of the war. Delco, as was common in the World War II era,
encouraged citizens to buy
War Bonds.
Delco Radio Advertisement
"Control of the Air" has a new meaning today.
Yes, we're talking about a different kind of air control than that
established by Allied fighters and bombers. For the air today is full of
high-frequency impulses, launched by varied types of radio and electronic
equipment and performing varied functions of communication, detection, ranging
and safeguarding. From compact mobile radio sets to highly intricate radar
equipment, Delco Radio products are helping to bring new "air supremacy" to
America's armed forces. Delco Radio Division, General Motors Corporation,
Kokomo, Indiana.
Keep Buying War Bonds
Delco Radio
Division of
General Motors
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