Uploaded January 2023 | Updated September 2026, 59 minutes ago

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Ribbit Is a Digital Text messaging mode for VHF/UHF communications.
It's much like APRS but does not rely on a cable or audio interface to function, it can use any modern Android smartphone at the time of the video.
It's project lead is Pierre Deliou, and it is being hosted by the Open Research Institute.
The link to the presentation:
youtube.com/watch?v=TGzgIjEt9wA

The link to the project itself:
ribbitradio.org

Link to the Rattlegram demo application:
play.google.com/store/apps/details?id=com.aicodix.rattlegram

Link to the Slides:
dropbox.com/scl/fo/iuha6t0rew58fuxiktgwx/h?dl=0&preview=Ribbit+RATPAC+Handout+oct2022.pdf&rlkey=fetybh87xmla40bu5f23xos38

Some cool features:
AM, FM Modulation Support
Survives Bluetooth audio compression and transcoding
Survives YouTube audio compression and transcoding

0:00 - About Ribbit
6:12 - Phone Recording
7:47 - Demonstration
11:23 - Summary
13:19 - Outro



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