Quote:
Modern a/c ELTs transmit on 406MHz which is nowhere near any voice band.
MAYDAY calls are made on 121.5MHz or any other available one
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ELT's transmit on 406 to talk to satellites for ID (and GPS if available) as per:
http://www.cospas-sarsat.org/Documen...ompleteDoc.pdf
It also includes a 121.5 option
The US FCC (and a lot of others) require 121.5 transmissions as before (but at a lower power) for final homing purposes.