In message <[email protected]>, dated Wed, 7 Dec 2011,
Cortland Richmond <[email protected]> writes:
An untuned loop should exhibit no resonances in its usable range. See
http://www.ets-lindgren.com/page/charts.cfm?i=6511 .
Also, A Novel Standard Loop Antenna for Antenna Calibration in the MF
and HF Bands, ieeexplore.ieee.org/iel5/10111/32404/01513478.pdf
Amateurs have used home-made loops to get pretty accurate measurements
of BPL emissions.
http://vk1od.net/antenna/SmallUntunedSquareLoop/index.htm
One of his loops, 600mm square, has an AF flat within one dB from about
5.5 to 30 MHz (
http://vk1od.net/antenna/SmallUntunedSquareLoop/Loop600.pdf ).
Thank you; these are very interesting.
--
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK
Some people who are peeling the finch of the financial crisis are thinking of
biting a rook.
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