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Detects and produces radio waves.
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frist radiolink.
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infants the radio antennae
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The cascade-tuning radio receiver and the heterodyne receiver are introduced.
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Edwin Armstrong patents a radio receiver circuit with positive feedback. Part of the amplified high-frequency signal is fed back to the tuning circuit to enhance selectivity and sensitivity.
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Shortwave radio is developed.
RCA is founded. -
FM is moved from its original home of 42-50 Mhz to 88-108 Mhz to make room for TV.
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WCBN starts to think about purchasing an FM transmitter.
FM is deemed necessary to reach off-campus students and the community at large. CBN's audience is a different audience from WUOM's, so there would be no competition.
February: WCBN's Program Director announces that programming will be designed to meet the needs of the audience, not the needs of the air staff. -
U-M President Robben Fleming urges that WCBN should be used only for educational purposes and restricted to students only.
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First WCBN fundraiser is organized by Ann Rebentisch, and raises $5,000.
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an experimental digital FM transmitter begins operation
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build the fist radio equipment.
