{TAIL ~ The emergency transceivers} can be capable of transmission of spread spectrum encoded messages, and can be actuated by a user to send {HEAD ~ a distress message} 
{ TAIL ~ The emergency transceivers } can be capable of transmission of spread spectrum encoded messages , and can be actuated by a user to send { HEAD ~ a distress message }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD