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Extremely low frequency - Wikipedia, the free encyclopedia
Ecological impact of ELF signals
There have been some concerns over the possible ecological impact of ELF signals. In 1984 a federal judge halted construction requiring more environmental and health studies. This judgement was overruled by a federal appeals court on the basis that the US Navy claimed to have spent over 25 million dollars studying the effects of the electromagnetic fields with results indicating that they were similar to the effect produced by standard power distribution lines. The judgement was not accepted by everyone and during the time ELF was in use, some Wisconsin politicians such as Senators Herb Kohl, Russ Feingold and Congressman Dave Obey called for its closure. (For similar concerns, see electromagnetic radiation and health.)
There are also concerns that very strong electromagnetic fields emanated by high power radio transmitters could lead to interference with electronic devices and may be linked with aircraft systems failure. [1]
Ecological impact of ELF signals
There have been some concerns over the possible ecological impact of ELF signals. In 1984 a federal judge halted construction requiring more environmental and health studies. This judgement was overruled by a federal appeals court on the basis that the US Navy claimed to have spent over 25 million dollars studying the effects of the electromagnetic fields with results indicating that they were similar to the effect produced by standard power distribution lines. The judgement was not accepted by everyone and during the time ELF was in use, some Wisconsin politicians such as Senators Herb Kohl, Russ Feingold and Congressman Dave Obey called for its closure. (For similar concerns, see electromagnetic radiation and health.)
There are also concerns that very strong electromagnetic fields emanated by high power radio transmitters could lead to interference with electronic devices and may be linked with aircraft systems failure. [1]
