Different Power Data Between Strava and Powertap/Garmin
HI, I've noticed issues related to power measuring/output/estimations. I am using a Garmin Edge 1000 paired with Cycleops Powertap G3. My last ride, the one from this morning is showing on the Garmin 160w average and 161 NP and Strava shows 130w average with a weighted average of 139w. Also I performed a FTP test on a Cyleops trainer and the value is 208w. When uploaded to Strava it turned down to 165w. Can you please tell me why is that the case? In past there was a problem with elevation correction, but I see it was rectified, so there is no elevation correction from Strava on data from Garmin devices.
Looking forward to an answer. Paul