10-01-2006, 03:32 PM
[quote Racer X]didn't they already? VLF for subs?
Actually ELF (Extremely Low Frequency) 40-80Hz, yes that is within human hearing range. Last antenna I heard about was over 90KM long. Yes it is buried, frequencies at the low of a range are actually helped by denser material.
BGnR
Actually ELF (Extremely Low Frequency) 40-80Hz, yes that is within human hearing range. Last antenna I heard about was over 90KM long. Yes it is buried, frequencies at the low of a range are actually helped by denser material.
BGnR