http://elecraft.85.s1.nabble.com/KX2-Antenna-Curiosity-tp7655612p7655633.html
> Well-said, Don.
>
> 73!
>
> Ken Kopp - K0PP
>
> On Thu, Oct 10, 2019, 16:23 Don Wilhelm <
[hidden email]> wrote:
>
>> All this talk of multi-band antennas for Field Day ignores the problem
>> of multi-station Field Day operation.
>> There is sufficient pickup of one transmitter's energy on the antenna
>> being used by a receiver on another band.
>> For that reason, my club has banned the use of multiband antennas for
>> Field Day operation.
>>
>> For a single station Field Day operation, the multiband antennas are great.
>>
>> 73,
>> Don W3FPR
>>
>> On 10/10/2019 5:32 PM, David Lee / Seatools wrote:
>>> On Thu, Oct 10, 2019 at 2:06 PM Fred Jensen <
[hidden email]> wrote:
>>>
>>>> Yes, however ... a center-fed dipole long enough to be moderately close
>>>> to a half-wave at 40 will develop a serious case of acute lobe-itis when
>>>> operated at higher frequencies, squirting your RF in a variety of
>>>> directions, many of which may not be productive for your intended
>>>> objective. Try, as many have over the years, to design the "magic
>>>> antenna" that is very small, provides a 1:1 match on all bands, easily
>>>> installed, and exhibits good gain, your effort will inevitably fail. As
>>>> JC Maxwell is reported to have said, "Physics is physics, the rules are
>>>> unbreakable." A log-periodic will give very modest gain over an octave
>>>> or more, however LP's hardly fall into the Field Antenna class. [:-)
>>>>
>>>> 73,
>>>> Fred ["Skip"] K6DGW
>>>> Sparks NV DM09dn
>>>> Washoe County
>>>>
>>>> On 10/10/2019 1:24 PM, Al Lorona wrote:
>>>>> My experience with single vertical or sloping wires is exactly the same
>>>> as AB7E's. I have, over almost twice as many Field Days as Dave, come
>> to a
>>>> similar conclusion, with the slight difference being my preference for
>> an
>>>> "all-band dipole" fed with balanced line. This obviates the balun and
>>>> reduces feedline loss to negligible, so obviously I am maximizing
>>>> efficiency at the expense of any other possible advantage. (I can
>> usually
>>>> hear much better than I can be heard... so thus far this has been a
>> valid
>>>> decision.)
>>>>> To sum up what I and what I think Dave are saying, you can't beat a
>>>> horizontal, center-fed wire up as high as you can get it. Its
>> simplicity,
>>>> the flexibility it gives you to QSY (with a good tuner), and its high
>>>> efficiency are almost unbeatable.
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