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<blockquote data-quote="Terryl" data-source="post: 1080953" data-attributes="member: 369937"><p>Yes, but at those frequency's the data packet transmission rates are too slow for the EAN system, they could use it in an emergency, but it may be too late after the final data packet is received, the world may be ash by then.</p><p></p><p>Also to use the VLF stuff the antenna used for it is trailing behind the sub, the sub can't do any quick maneuvers with a 3000 meter (1/4 wave antenna) wire trailing behind it.</p><p></p><p>A LongWave 1/4 or 1/2 wave antenna is much shorter.</p><p></p><p>We had some luck with VLF tests aboard ship, we could talk to a sub off of Cuba from Vietnam.</p></blockquote><p></p>
[QUOTE="Terryl, post: 1080953, member: 369937"] Yes, but at those frequency's the data packet transmission rates are too slow for the EAN system, they could use it in an emergency, but it may be too late after the final data packet is received, the world may be ash by then. Also to use the VLF stuff the antenna used for it is trailing behind the sub, the sub can't do any quick maneuvers with a 3000 meter (1/4 wave antenna) wire trailing behind it. A LongWave 1/4 or 1/2 wave antenna is much shorter. We had some luck with VLF tests aboard ship, we could talk to a sub off of Cuba from Vietnam. [/QUOTE]
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