QRP
Noun
Meaning
(biochemistry) Initialism of queen retinue pheromone.
(chess) Initialism of queen's rook's pawn.
Source: en.wiktionary.orgExamples
Adrian Weiss, Ionospheric Propagation, Transmission Lines, and Antennas for the QRP DXer, Milliwatt QRP Books, 2011, pp. 1-16, 1-22 to 1-24.
QRP aficionados try to make up for this through more efficient antenna systems and enhanced operating skills.
Commercial transceivers specially designed to operate at or near QRP power levels have been commercially available since the late 1960s.
Firstly, questionable research practices (QRP) have been identified as common in the field.
For example, the message "QRP?" means "Shall I decrease transmitter power?", and a reply of "QRP" means "Yes, decrease your transmitter power", whereas an unprompted statement "QRP" means "Please decrease your transmitter power".
PSK31 is a highly efficient, narrow-band mode that is very suitable to QRP operation.