Originally Posted by
njkayaker
Do you mean the vertical component of your velocity?
I think that might be a "nice to know" measurement like grade (which it depends on) which isn't going to be very reliable.
Grade is the the change in elevation (which we know isn't that accurate) over distance.
I would think that such a variable value would be a perfect thing for Strava heads to compete over!
Here's a screenshot of the
510 manual, describing Vertical Speed.
Garmin offers a real time grade calculation too. Both are estimation based on the last 5 seconds of data (I think that's the correct time interval).
This data is interesting, but I wouldn't consider either highly accurate.