Hi Felipe L., I noticed your profile and would like to offer you my project. We can discuss any details over chat.
Hi I am a hobbyist photographer from Australia looking to build a look range controllable retrievable weather balloon.
I want to see if the balloon can travel across the world and be able to drop where required to be retrieved..
This would include GPS monitoring and maybe a valve to control pressure to stay stabilised and a release valve when it has to drop..
Can you let me know your thoughts on this project and if it is something you have experience with.
Then we can talk about a project, maybe a short report first... Then will proceed..
Thanks for your time