Radiosonde: What are they and how to find them!

Radiosondes are useful balloon based devices used for weather forecasting. Anyone can receive them and anyone can find them!
This video explains what you use to find them and what they look like.
It is important to be mindful of where they land and seek proper permission should the sonde land on private property.
More details at hvdn.org blog.

[@paraglidingprospector]

I’m here because I stumbled upon one while metal detecting in the deserts of Arizona. Totally a wild looking device to find half-buried in some sand. That antenna! Haha Thx for the cool and informative video!

[@Tatersalad812]

Makes me wonder why planes dont hit them more often, had no idea this was a thing and I have both a pi and sdr. Ill be out looking!

[@boo-ix]

Very cool and thanks for the hard work.

[@NotSure416]

Looks like 400.15-401 is Federal Use only. Can the radio be reprogrammed to 70cm? That would be a cool little project. Either make a ground based weather station, or buy a balloon and launch it again.

[@hvdnmedia]

It can be reprogrammed. A friend recently launched his first balloon after reprogramming it. Here are some basic details he followed for a repurposed DFM17 github.com/mikaelnousiainen/RS41ng

[@fotografm]

Fascinating video. Thank you. I wanna go radiosonde hunting in the UK ! Anyone know what frequencies are in use here ?

[@RCDUDEFPV]

Good stuff

[@BobBob-il2ku]

Do we have any meshtastic devices in the Hudson valley would love to join a group of people who put up solar repeaters on the area

[@hvdnmedia]

Please send me a message at [e-mail] and can share more about some current LoRa APRS and MeshTastic things around in the HV being built out. Also have a YT search for the HASviolet project. Some of the underlying concepts helped influence what we know as MeshTastic today. :)