Discussione:Extremely low frequency
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Sorry for writing in English here, but I don't really speak Italian. However I'm understanding it just enough to realize that the two sntences of the first paragraph do contradict each other massively. If the ELF's upper bound is 30 Hz the 50/60 Hz of the electric line frequency would be far out of the ELF range. -- 77.117.3.192 (msg) 09:39, 5 mar 2012 (CET)
Another point: when they say "ridotta banda passante", it means that ELF transmissions can carry a low amount of data in a fixed time interval due to their low frequency, so the link should go to "banda(informatica)" and not to "banda passante" which is the physical concept. Thanks. Marco