[ICOM] ICOM Tuner ???

[Michael P. Olbrisch]

> -----Original Message-----
> From: icom-bounces at mailman.qth.net
> [mailto:icom-bounces at mailman.qth.net]On Behalf Of Frank A. Ellis
> Sent: Friday, February 25, 2005 12:22 AM
> To: ICOM Reflector
> Subject: Re: [ICOM] ICOM Tuner ???
>
>
> Mike,
>
> The MN-100 series are similar in design to the B+W
> broadband folded dipole. Inside the white plastic case
> where the PL-259 connector attaches is a termination
> network, and the dipole elements are across the
> termination. This creates a very broadband match at HF
> with low return loss, and the wire dipole elements are
> excited by the voltage across the termination and
> radiate with low efficiency, as most of the supplied
> RF current is dissipated in the termination.
>
> The device is not really a "Tuner" although the net
> effect, a broadband match across the HF spectrum,
> gives the appearance of an antenna that "tunes" itself
> automatically.
>
> This device was primarily intended to be used in
> marine applications, such as sailboats, where an
> autotuner and random wire are not used, for whatever
> reason.
>
> 73 Frank W3UHF

Looking at it, that is what I expected.  Although the B&W antenna does not
have the resistor at the feed point.  This is interesting.  It shows that
you can sell ANYTHING on E-Bay.  <grin>

It is about to end, watch the flurry of bids in the final seconds!
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=5753935184&ssPageNam
e=STRK:MEWA:IT

Thanks,

Mike.  KD9KC.