I recently read that, Joe. L.B. confirmed my assumptions, but it's nice
to see a somewhat rigorous treatment. Do you know if the SGC broadband
dipole is basically the same design?
Larry N8LP
www.telepostinc.com
"Home of the groundbreaking LP-100 Digital Vector Wattmeter"
Joe Subich, W4TV wrote:
> W4RNL has done his usual excellent job modeling and studying the
> "wideband folded dipole" (e.g., "the B&W Antenna"). See his
> web page at: http://www.cebik.com/wire/wbfd.html. The quick
> take away from his work is that a 90' WBFD is between 3 and 7
> dB worse than a simple 90' doublet fed with open wire line and
> a suitable tuner at frequencies above 6 MHz. Below 6 MHz the
> losses in the WBFD increase significantly to the point that the
> WBFD is down some 24 dB at 2 MHz.
>
> 73,
>
> ... Joe, W4TV
>
>
>
>
>
>
>
>> -----Original Message-----
>> From: towertalk-bounces@contesting.com
>> [mailto:towertalk-bounces@contesting.com] On Behalf Of James
>> P. Cassidy
>> Sent: Wednesday, August 23, 2006 11:16 PM
>> To: TOWERTALK REFLECTOR
>> Subject: [TowerTalk] B & W Antenna( was 2006 top ten)
>>
>>
>> At the risk of being fatally flamed I want to add a couple
>> cents worth to
>> the B & W Antenna issue.
>>
>> I had read the same info for many years about the
>> ineffectiveness of the B
>> & W antenna. This past spring I operated at a station that
>> uses one and
>> was slightly amazed at the performance. No, its not a world
>> beater contest
>> antenna but did work well enough in the CQ WPX SSB contest to
>> work quite a
>> few stations on 160,80 and 40m. There was no other antennas for those
>> bands to compare with but the main point is that it did
>> radiate well enough
>> for some QSOs. Of course in the contest situation there was
>> no accurate
>> signal reports and its very likely that the signal was below that of a
>> conventional dipole.
>>
>> The bottom line was that the station was capable of making contacts.
>>
>> And before I catch too much flaming, the antenna is not at my
>> station.
>> Only at a friends with somewhat limited space for wire antennas.
>>
>> 73 Jim KI7Y
>> _______________________________________________
>>
>>
>>
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>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>
>>
>
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