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QRP is the Q-signal for "Reduce Power". The term is most commonly applied by radio amateurs to the art of low power operations. For those interested in building equipment, the challenge is to operate and/or build radio transmitters using a bare minimum of components, money and construction skill.

"QRP" is generally defined as the use of 5 watts or less of transmitter power. The use of one watt or less of transmitter power is often referred to as "QRPp".

Radio QRP - The Art of Low Power and Clandestine Operations

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