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Attention: RC-CAM.com will be closing down August 2021.

The RC-Cam.com forum was the very first online community dedicated to the advancement of wireless video cameras on radio controlled (R/C) models. This is now called "FPV" (First Person View). We are proud of the contributions that our members have made to the FPV hobby.

We've seen significant changes over the last twenty years. Initially there were a lot of eager R/C hobbyist that built their own video systems. Allowing these creative individuals to share their work was the purpose of this site. Now the FPV market is flooded with low cost systems; Sadly DiY FPV video projects are now rarely discussed.

RC-CAM.com (main site and forum) will be closing down August 2021. This was announced several months ago (March 2021) to allow our members ample time to download any information that is important to them. After the site is shutdown the information will no longer be available here.

We appreciate every member's involvement with advancing the FPV hobby. It is indeed sad to say goodbye to all our online friends. Be safe and stay healthy.

GPS 5hz logger

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Vertical speed = ((altitude at current point) - (altitude at previous point)) / (recording interval)...

As it logs altitude you can find VS.

thanks a lot, but with a 1hz on a falcon wich flight at 300km/h with 8g of acceleration is not very accurate! VERY HARD to get right data! What's your suggest Kirlah?

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What I suggest - get one, strap it on, hope for the best and see what you get. But consumer GPS, be it 1Hz or 5Hz will almost certainly NOT give you accurate readings in those conditions.

We know from testing on fast and agile planes like a funjet flying at 150km/h and able to make tight turns that the common GPS modules will get completely lost after a couple of sharp turns or steep vertical trajectories, reporting positions several hundred meters away from where they really are, even for several seconds after coming back to a normal path.

Edited by Kilrah
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