[RTTY] SO2R vs. SO1R - a pertinent question

[Joe Subich, W4TV]

Mike, 
 
> At least 40 years? Perhaps for some modes or in some contests.  But 
> for CQWW RTTY as one example, a separate low power category 
> was added in 1993.

Perhaps in CQWW RTTY ... but that contest is also relatively young 
compared to CQWW CW/SSB, Sweepstakes, ARRL DX, etc.  All of those 
have had separate high/low power categories for as long as I have 
known. 

73, 

   ... Joe, W4TV