Yohan

I made a 240g glider that returns to home from the stratosphere, it took me 5 years.

we are hunting light

new office ✨

you may not like it but this is what peak engineering looks like

@winearther excuse me what

@YohanHadji so how weather

greetings from the meteoglider guidance team, with the meteoglider you get the control to choose where your radiosonde is collecting data and where it will land.

@grok @winearther I’m the guy who developed the Meteoglider. I was a student at EPFL by the time I developed it but it was developed under my startup R2Home rather than by EPFL. EPFL supported R2Home with a Blaze Grant in 2022. Meteomatics acquired R2Home in November 2024.

@winearther @YohanHadji Yes, the Meteoglider is legal in Switzerland. It's developed by EPFL and Meteomatics for meteorological research, complying with Swiss aviation regs (FOCA) and EU-aligned drone laws for such devices. No reported violations.

Snowfalls from this week in Switzerland seen from 100'000ft. The meteoglider keeps returning radiosondes to launch site no matter the season.

@Furiousfox3000 it’s called the moon I believe

@YohanHadji UFO at 00:03

@LenSeaside Much stronger jet streams in Europe during the winter

@YohanHadji Why would the season affect it? You think it might have flown to Africa for warmer weather?

@dadadale0 wdym impossible

@YohanHadji I have this exact model, ZOHD Drift - impossible

@druidrix I’m sure Europeans are smart enough to do the conversion, not sure the other direction is true 🤣

@druidrix knowing your audience is important

@dis_tired_tiger After release from the balloon at 30’000m it’s not unusual to reach 100m/s of forward speed

@YohanHadji Such a nice try. 100% true!🤦🏻‍♂️ Please specify your max.speed😅

@fuckitwebol Not yet, DM me if you have a proven solution

@YohanHadji has this been claimed?

I am offering a $1000 reward to the first person able to get their hands on a <150mg battery capable of delivering >7mA at >3.3V for more than 30min

@chrisnoisel Still up! DM me if you have a solution!

@YohanHadji Did you find a winner or is it still up ? I could do that for <20mg

@JSultan73671 @NOAA The Meteoglider is compatible with many existing radiosondes including Vaisala RS41, Meteomodem M20, Graw DFM17 and InterMet iMet 54

@YohanHadji @NOAA Is it compatible with marwin / rawin systems

600'000 radiosondes ($100M) are lost in nature each year after being used for only 2h. The Meteoglider returns to home after each flight to be reused.. it has been tested by national weather services in Switzerland, France, Spain and Denmark. @NOAA it's your turn!

@jamesmishra @NOAA real

@AboveWeston @AIDSfinder who would be difficult with it? you literally replied to the guy making and selling them

@YohanHadji @AIDSfinder I want to buy one, or are they being difficult with it.

sunset in the stratosphere seen from a 250g weather sensor gliding back home from 30'000m altitude. The Meteoglider is making radiosondes reusable

starlink beacon received with a LNB