Layered despreading can be performed in a spread spectrum receiver used in {TAIL ~ either the emergency transceiver}, the locator transceiver, or both, in accordance with some embodiments of {HEAD ~ the present invention} 
Layered despreading can be performed in a spread spectrum receiver used in { TAIL ~ either the emergency transceiver } , the locator transceiver , or both , in accordance with some embodiments of { HEAD ~ the present invention }
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