SecurityIEEE Spectrumabout 2 hours ago
The Rebirth of High Frequency
1 min read
Satellite vulnerabilities including anti-satellite weapons, jamming, and solar storms have renewed demand for high-frequency radio. Modern wideband HF supports 48 kHz channels with data rates up to 240 kbit/s. Fourth-generation automatic link establishment automates frequency management and link negotiation, removing the need for trained operators.
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