Close-up of a radio antenna transmitting waves , ionosphere, electromagnetism
Schlüsselwörter
ionosphere,
electromagnetism,
broadcast,
electromagnetic,
satellite,
electronic,
ether,
wi-fi,
aerial,
transmission,
amplitude,
tower,
signal,
wave,
spectrum,
frequency,
communication,
receiver,
hertz,
horizon,
television,
radar,
oscillation,
technology,
transmitter,
wireless,
microwave,
sky,
radio,
antennae,
propagation
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