Newbie to GPS question- Garmin Watch vs KA72

8 months ago
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Orange Whip
Orange Whip
QLD
1081 posts
QLD, 1081 posts
28 Sep 2025 8:34pm
Please excuse this dumb newbie question. Recently acquired a Garmin Instinct 2S solar watch and recorded my first sailing session yesterday. The watch/Connect show a top speed of 24.2 knots. When I uploaded the gpx file to KA72 just now it shows 2 sec peak at 17.96 knots. This sound right?
decrepit
decrepit
WA
12885 posts
WA, 12885 posts
28 Sep 2025 7:11pm
It's certainly possible, the watch could be showing the top speed in a spike, whereas KA72 has a few filters that get rid of spikes.
powersloshin
powersloshin
NSW
1855 posts
NSW, 1855 posts
29 Sep 2025 5:58am
you can download gps speedreader and check the file yourself
Orange Whip
Orange Whip
QLD
1081 posts
QLD, 1081 posts
29 Sep 2025 7:12am
Yeah, excuse my ignorance, I just had a look at the session in the Garmin Connect app. Should have looked at that earlier. I started recording just before carrying my gear to the water and there are two > 20 knot readings at that time. Lesson learnt. Thanks for your help.
BSN101
BSN101
WA
2391 posts
WA, 2391 posts
14 Oct 2025 1:08pm
Orange Whip said..
Yeah, excuse my ignorance, I just had a look at the session in the Garmin Connect app. Should have looked at that earlier. I started recording just before carrying my gear to the water and there are two > 20 knot readings at that time. Lesson learnt. Thanks for your help.


OW sprints to the water only to out sail his PB beach effort.
Orange Whip
Orange Whip
QLD
1081 posts
QLD, 1081 posts
15 Oct 2025 1:03pm
Haha yeah mate. Well, at least I didn't record the drive home like some do at my local.
Kym Roberts
Kym Roberts
SA
260 posts
SA, 260 posts
21 Oct 2025 7:10am
I've nearly got this sussed with the Garmin 255 to ka72 been hell for not a techy person
Kym Roberts
Kym Roberts
SA
260 posts
SA, 260 posts
21 Oct 2025 9:20am
Yep got it sorted, pretty happy now ??
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