solarwind wrote:
>
> Respectfully, How does that make sense? Without encryption, I have no
> guarantee that someone won't bring down my balloon. And by guarantee,
> I mean reasonable guarantee, which encryption provides.
>
>   
encryption won't provide much protection for a weather balloon.

However a few mW at 2.4GHz is all a  balloon  needs if it's a HAP. At 
144MHz you can talk to ISS with a rubber duck hand held with a few watts 
as it passes overhead.

Some malicious can easily jam your signal.
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