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HF stands for high frequency and it’s typically achieved with a High Frequency Ham Radio Transceiver. Other common frequencies are usually considered to be line of sight, so they’ll work as far as your eye can see…once they hit the horizon and the earth begins to curve they’re done cause they keep going out, they don’t follow the curvature of the earth. With a lot of these frequencies people will use repeaters to increase that distance. Which is great, I use them too…but that is an outside sourc
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BRC FK 15121 TOP Power Rating 1550 W Continuous* Frequency Range 30Hz - 22kHz (-10dB) SPL** 139dB Continuous, 143dB peak Impedance 4Ω BRC FK15121 is a revolutionary top and a great loudspeaker choice for medium scale events and installations offering exceptional sound quality. With simplified enclosure design without integrated flying hardware Fk15121 represents great value for money. Typically used two wide for 90 degree overall dispersion it is perfect for use in ground stacks with powerful ba
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