pkasdorf 0 #1 January 15, 2007 It's been many years since I use a Skytronic on my helmet. Recently I got a Neptune and I started using it as a visual altimeter. I'm setting them for ground altitude simultaneously but I notice three differences in every jump: 1) 40 to 70 feet difference in altitude readings while ascending (Skytronic higher) 2) Differences in deployment altitude around a few hundred feet (Skytronic lower) 3) Logically more freefall time (2 or 3 seconds) in Skytronic Is this usual? What's the explanation? Position of the altimeter, hand movement, something wrong with one of them, other? Which data are the more real ones? HISPA # 18 POPS # 8757 Quote Share this post Link to post Share on other sites
indyz 1 #2 January 15, 2007 #1) Skydiving altimeters are never especially accurate. 40-70 feet over the entire course of the ride to altitude is really good. Analog altimeters are much worse, they will never show the same altitude, and often disagree by as much as several hundred feet. For #2 and #3, the Skytronic and Neptune probably use a different formula to determine when your freefall ends. This isn't a problem, just a design decision. Quote Share this post Link to post Share on other sites
