Opinion: New 5G Frequencies Could Jam Critical Flight Instruments

5G tower
Credit: Adobe Stock/James Thew
In “The 5G Threat to Radio Altimeter Use” (column, Jan. 3),the author fails to understand how embedded radio altimeter signals have become in modern jet aircraft, or he simply makes light of the implications. This is not just about altitude reporting. The C-band frequency spectrum recently auctioned...

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