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, Harry7 wrote: On Nov 28, 9:58 pm, N9NEO wrote: I am wondering if a large ferrite rod would be good antenna for maybe MW and 160meter band. Would there be an advantage to using a few rods glued together? In the "ARRL Antenna Compendium, Vol. 6", there is an article describing a tuned, ferrite rod, magnetic receiving loop antenna - "The Optima 160/80-Meter Receive Antenna" by Richard Marris, G2BZQ. THE author glues ferrite rods together exactly as you propose. I never built or used one so I cannot comment on its perforance. Gluing them together is a bad idea as you can not control the gap between the rods. This small gap will ruin the inductance of the combined rods and as a consequence the Q of this antenna. -- Telamon Ventura, California |
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