open source drifter and wave sensor with global iridium connection: OpenMetBuoy

[jerabaul29]

https://github.com/jerabaul29/OpenMetBuoy-v2021a
https://www.mdpi.com/2076-3263/12/3/110

Quite similar to the sfy drifter #1 , but with global iridium coverage instead of local GSM coverage, at the cost of higher production and drifting costs.