Comment on Near mid-air collision at LAX between American Airlines and ITA [video]parentComments−mmooss10moCouldn't comms broadcast in multiple parallel modes, like cell phone traffic?: More clear (probably digital) transmissions in on band, and for backward compatibility, old radio transmissions in another.
Comments
Couldn't comms broadcast in multiple parallel modes, like cell phone traffic?: More clear (probably digital) transmissions in on band, and for backward compatibility, old radio transmissions in another.