Frequency graph with vertical bars and a jagged waveform
Close up of a vintage radio dial with the stations and frequencies being tuned
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USA - 1960s - Results from a dolphin sonar discrimination test are explained.
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USA - 1960s - Audio and video data are collected from a dolphin sonar discrimination test.
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USA - 1960s - Scientists develop a test to determine information about dolphins' abilities to discriminate by sonar.
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USA - 1960s - Targets of varying thickness are put into a tank and dolphins are blindfolded to begin a sonar discrimination test.
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A turntable sits on a table with sound equipment in the background
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UNITED STATES - 1972 - Animation showing how cable can carry over a hundred tv channels with local channels and channels from different cities.
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shot of glitching radio frequencies with woman posing with headphones
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EUROPE - 1945 - Myriad programs from the Canadian Broadcasting Corporation are transmitted to civilians and Canadian soldiers across Europe.
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Radio dishes collect signals in a rocky landscape at sunset
Signals are received and transmitted in a desert landscape with antennas
Military base with antennas on top of a building
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1959 - A BOMARC Boeing missile undergoes shake tests.
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USA - 1960s - A scientist monitors a dolphin sonar discrimination test.
Details of a vintage audio equipment in close view focusing on dials and meters
Animated Colorful Music Equalizer Spectrum Display with Audio Frequency Bars on Black Background
Male Hand Operating Vintage Marine Radio With Sliding Dial in Fishing Boat - Close Up - 4K
Control panel lights blink in a studio during a recording session
Animated infographics on the theme of radio astronomy and space observation.
Eyeball Zoom Into Frequencies Inside Brain
Old radio receiver panel in dark place closeup. Volume balance knobs on tape recorder. Classic outdated music cassette retro audio player
Moving Through Brain Frequencies On Black Background
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Vintage radio dial knob showing frequencies and classic design
Waveform sound button neubrutalism UI element animation. Audio wave. Voice activity. Music frequencies. Animated flat user interface component for web and app design. Neo memphis motion graphic
Hand searching radio wave at old transistor standing desk closeup. Unrecognizable man adjusting FM AM signal at vintage station relaying
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shot of glitching radio frequencies with woman dancing
Power Switch ON/OFF
COLORFUL pattern 3D triangle abstract background texture colorful abstract background Equalizer disco neon animated led stage concert Floodlight Lights Flashing Wall Blinking Lights Flash Club Disco
Radio Frequencies 98 MHz / 800 KHz
Telecommunications equipment on a building structure in an urban setting