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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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In Reply to: I'd have a hard time spending that much cash on a "cardboard tube" filled with who-knows-what; my choich would be... posted by J. S. Bach on August 16, 2006 at 09:00:32:
Who-knows-what may just be a cylinder of metal window screen or foil inside the cardboard (2 perhaps, one per side to make a dipole); the larger diameter equals the shorter length vs a conventional wire dipole or even TV-lead folded dipole that comes with many tuners. An older ARRL yearbook or ARRL Antennna book will have math for diameter vs length of radiators. The ol' home-brewed wad or reflector of kitchen foil at the ends of TV rabbit ears mimics the same capacitance loading effect & as long as in the attic appearance is a non factor. *Tunable* TV rabbit ears are nice indoor antennas tho (reduce extended length somewhat), the rotary tuning switch typically selects one or the other or both sides in various left/right connections (and the usual sloppy appearance of the end kitchen foil was mitigated by folding & pressing over a permanent cardboard form if you deem this capacitive end-loading useful).
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- Re: I'd have a hard time spending that much cash on a "cardboard tube" filled with who-knows-what; my choich would be... - Ron Oehlert 11:35:58 08/16/06 (0)
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