April 1945 QST
articles are scanned and OCRed from old editions of the ARRL's QST magazine. Here is a list
of the QST articles I have already posted. All copyrights are hereby acknowledged.
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. Delco, as was common in the World War II era,
encouraged citizens to buy War Bonds.
See all available
Delco Radio Advertisement