Meteor Burst Communications
ronaldelliott.comIt buries the lede but I eventually understood that they reflect the signal off the trail and this isn’t subject to destruction like a satellite could be
The meteors leave a tail of ionized particles that people on the ground can bounce RF off of. Ham radio operators use this, e.g. the MSK-144 mode. Pretty cool to hear/see signals and know they were bounced off the tail of a meteor!