I refer to the "advertised capability" that it ignore E field and only pick up magnetic h field. It was said that this reduce man made noise.
Some post said advertisement is a bit over hyped. May be, sure, it will work to some extend? I never saw one nor use these. Near zero rf experience 73 Simon On Sunday, December 30, 2018, Jim Brown <k...@audiosystemsgroup.com> wrote: > On 12/29/2018 1:36 PM, Simon wrote: > >> How good is magnetic loop antenna, may be with amplifier for receive >> only, in REJECTING man made noise, especially at or near city area, >> with huge number of SMPS, florescent lamp etc. at people's home? >> > > Loops like this have a very broad "figure of eight" pattern, with deep > nulls, so they can strongly reject sources in the nulls. > > Other loops, like the VE3DO design, have a cardioid pattern. > > http://k9yc.com/VE3DO.pdf > > 73, Jim K9YC > > > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel >
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