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Why HF Radio Still Matters When Networks Fail
When a host nation turns hostile and cellular and internet go dark, why does an antenna on a consulate roof still matter? This episode unpacks HF radio — the same band the public calls shortwave — and the ionospheric physics that let it reach thousands of kilometers with no satellite, cable, or tower in between. From the British Consulate in Jerusalem to position reporting over the Atlantic, we explore why an aging, bandwidth-starved technology survives as the ultimate failover: because the ionosphere is owned by no one. We also dig into the encryption constraints on a narrowband link, the…
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