"I'd be very concerned about having the GPS and video TX effectively back to back, and not too keen on the long coax from the GPS antenna. Have a look at this as an alternative, the whole thing will fit in your GPS…"
"That's so obvious now that you say it, and yet it never even occurred to me! Thank goodness I'm on FrSky ACCST - at least it saved me from myself - won't make that mistake again. Shame, as it made configuring and starting recording…"
For GPS positional glitches, these could be detected by comparing each position update to the last known good position, and rejecting any that indicate a lateral (or vertical!) movement greater than a defined speed in m/s, or a jump to…"
"> How about you actually watch the video [...] Does it look like its flying in an unexpected manner??
Yes! As you said yourself: "When I put it in loiter it started to dive. Why did it do that?" That sounds unexpected to me. If it…"