From tonight's short test run - a graphical comparison of three running power sensors. Note: I have no particular opinion on what's right, nor any realistic way to validate it. Color key in upper http://right.pic.twitter.com/2W06rPWYcI

From tonight's short test run - a graphical comparison of three running power sensors. Note: I have no particular opinion on what's right, nor any realistic way to validate it. Color key in upper right. http://pic.twitter.com/2W06rPWYcI

From tonight's short test run - a graphical comparison of three running power sensors. Note: I have no particular opinion on what's right, nor any realistic way to validate it. Color key in upper http://right.pic.twitter.com/2W06rPWYcI posted first on grassroutespage.blogspot.com