Kiwi/Kikiwi decoding support

[he60]

Description of the feature you're suggesting.

The Kikiwi system is the french educationnal oriented balloonsonde and it would be nice to add it to the hackrf alongside the standard ballonsonde decoder

it can transmit up to 8 differents sensor + gps
And bc its desined moslty to educationnal purpose, its fully open & explained how it works, the only problem is that it is in french ^^''
https://www.planete-sciences.org/espace/Realiser-un-projet/Telemesure

It use thoses freq :

and last year; we use the 869mhz

Anything else?

No response