[TowerTalk] Trap Resonance

[Ron Feutz]

This oughta be fun to watch

At 10:11 AM 11/21/2003 -0500, K3BU at aol.com wrote:
>In a message dated 11/21/03 8:03:12 AM Eastern Standard Time,
>mchilkuri at kasnet.com writes:
> >>I am now left wondering where exactly the trap should dip? Tom suggests 
> that
>it should NOT be brought to resonance on and around the desired operating
>freq. So, where do I tune the trap? I could place it at 14.2 but 14.2 would
>be my desired operating freq!<<
>
>
>I would not rely on TOM, W8JI "wisdom," tune it to where it gives maximum
>signal and the best performance. Tom is way off and wrong on the subject of
>current in loading coils on the antenna. He has extensive article on his 
>web site
>that is completely wrong, there was quite a discussion on eHam.net and
>rec.radio.amateur.antenna newsgroup on this subject and people that 
>measure things
>concluded that the current is not equal at both ends of the loading coil, 
>while
>he is still insisting that it is (based on wrong assumptions and 
>calculations).
>Since the trap is acting as a loading coil, looks like you stumbled on
>another proof that he is wrong and disseminating fallacy (not the first 
>time). The
>final proof is in the signal strength and what you measure, not what someone
>"calculates."
>Looks like this business of current distribution in the loading coils has
>also significant impact on traps, which become loading coils at lower 
>bands and
>knowing what is really happening will help to optimize them for better
>efficiency. More info is on my web page
>http://www.k3bu.us/loadingcoils.htm
>
>73 & GL
>
>Yuri, K3BU
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