A locator transceiver can be capable of receiving the distress messages and performing two way ranging to determine a distance between {TAIL ~ the locator transceiver} and {HEAD ~ the emergency transceiver} 
A locator transceiver can be capable of receiving the distress messages and performing two way ranging to determine a distance between { TAIL ~ the locator transceiver } and { HEAD ~ the emergency transceiver }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD