On Wednesday 04 July 2007 10:27:58 Mike S wrote: > Here's some info on calculating Morse speed: > http://www.kent-engineers.com/codespeed.htm That page gives the definition as wpm * (dot length in milliseconds) = 1200 although not explicitly. This is the definition in many RSGB publications. Ian, G4ICV, AB2GR, K2 #4962 --