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Re: [IRCA] Magnetic verius electric waves
At 03:19 1/24/2009, you wrote:
>Met a ham operator at an unrelated event the other day and he was insistent about a device one can order from the U.K. for a few hundred dollars that allows you to receive magnetic waves only, as opposed to electronic waves. He said these magnetic waves are many db quieter. Is this bunk or is there any truth to this? He seemed serious, we've never met before, there were no other DXers present (it was an event for people working in environmental industries), and he raised this as soon as I told him I DXed the broadcast bands (he mentioned in a group conversation earlier that he was a ham). So is he a ham in more ways than one, or is this legit?
Generally, this statement will bring out the curmudgeon in many, Saul, who will say it's bunk, particularly if it refers to transmitting antennas (cf "crossed-field antenna"). There is no "magnetic wave" from a distant station that isn't a component of an electro-magnetic wave...
Unless you have a few hundred dollars to spend on the off chance, it's probably wisest to head off to your nearest loop antenna which responds to the magnetic component of the electro-magnetic wave and leave it at that.
(I'm sure Chuck Hutton will check in much more knowledgeably than I on this, hi)
best wishes,
Nick
*****************************
Nick Hall-Patch
Victoria, BC
Canada
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