>it is whatever the rules say it is (which may differ from one contest / 
>award to another.)

Yeah, it's generally around 5 Watts for CW and some allow it to go up 
to 10 Watts for SSB, but some stay at 5 Watts even for SSB.

------------------

The 'normal' (if anything is normal about Ham radio) QRP power level has
been defined over the past half century by the QRP Amateur Radio Club
International or "QRP ARCI". 

Their bylaws, Article 1, section B states:

"QRP operation for QRP-ARCI purposes is defined as operation with a
transmitter power output of 5 watts or less for CW (Continuous Wave - A1)
and 10 watts PEP or less for SSB (Single Side Band - A3J).  QRP-ARCI awards
are based on these output levels."

Many contests and other organizations have followed these guidelines. 

Bear in mind that what's considered QRP has changed over time. Back in the
1950's QRP was defined as 50 watts input to the final amplifier. That
normally resulted in between 30 and 40 watts RF output for a "legal" QRP
transmitter. 

Times change, Hi! 

The organized QRP movement began in the 50's as a rebuttal to the idea that
several hundred watts, perhaps even a kilowatt, was needed to really enjoy
Ham radio. A great many Hams ran 50 watts or less, and the organization
recognized their ability and the fact that they didn't need more power to be
very successful communicators. 

In more recent years, my personal interest in QRP has not been in the low
power itself, but because that's where the bulk of today's homebrewers,
technicians and tinkerers hang out. 

Ron AC7AC

 

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