Topband: Fw: The 500 Foot Beverage

[Wayne Rogers]

It is possible to feed a beverage in the center.  See Micek's book.  If you 
google "beverage antenna center fed" you will get a couple links that will 
give you info on this approach.  I believe the two sections are fed so that 
you are feeding the forward antenna from the rear, and the aft antenna from 
the front.  I don't completely understand all of the theory, but the info in 
Dallas Lankford's paper (from the google search) will get you on the right 
track.

73 es GL, Wayne N1WR

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From: "DF3KV" <df3kv at t-online.de>
Sent: Saturday, July 10, 2010 6:53 PM
To: <topband at contesting.com>
Subject: Re: Topband: Fw:  The 500 Foot Beverage

> I had the idea that it will behave like a long terminated dipole, giving 
> the
> pattern of a not terminated beverage of half the physical length.
> My problem will be that both ends of that beverage I am thinking of would 
> be
> not on my own property.
> Therefore Coax runs are not possible, but overhead wires are.
>
> 73
> Peter
>
> -----Original Message-----
> From: Robin [mailto:wb6tza at socal.rr.com]
> Sent: Sonntag, 11. Juli 2010 00:26
> To: DF3KV; topband at contesting.com
> Subject: Re: Topband: Fw: The 500 Foot Beverage
>
> that makes a dipole not a beverage. A Beverage MUST be fed at the end.  It
> is a traveling wave antenna, not a conventional coupling antenna like a
> dipole
>
> If you must, build the feedpoint at the end and run the coax cable back
> along the ground under the beverage-  bury it a few inches if you can and
> add a ground post where you make the turn to go to the shack - all an
> attempt to decouple the shield of the coax from being part of the antenna
>
> Robin, WA6CDR
>
>
> ----- Original Message ----- 
> From: "DF3KV" <df3kv at t-online.de>
> To: <topband at contesting.com>
> Sent: Friday, July 09, 2010 14:50
> Subject: Re: Topband: Fw: The 500 Foot Beverage
>
>
>> How do they behave if the RX connections are at the centre of the run?
>>
>> 73
>> Peter
>>
>> -----Original Message-----
>> From: topband-bounces at contesting.com
>> [mailto:topband-bounces at contesting.com]
>> On Behalf Of Robin
>> Sent: Freitag, 9. Juli 2010 21:34
>> To: Dave Harmon; Topband at contesting.com
>> Subject: Re: Topband: Fw: The 500 Foot Beverage
>>
>> The root beverage design at VP6DX was the DXE reversible hardware & 450
>> ohm
>> ladder line.  Worked flawlessly.  I have used the DXE hardware in other
>> applications and its the closest Ive found to playing as advertised.
>> Beverage lengths between 500 and 1200 ft at VP6DX. the phased 800 footers
>> toward Eu played very nicely.
>>
>> Consider - the local background noise at VP6DX is as close to zero as it
>> gets.  All noise was propagated noise.  The beverages DRASTICALLY out
>> performed listening on the TX Omni.  This means ALL the work is being
>> done
>> by directivity- (in both planes), and the beverages clearly have the
>> directivity.
>>
>> Bottom line rule. ANY beverage is better than no beverage.  Trees, bends,
>> short, long, single, double, Build it and use it.
>>
>> I really don't like the term reversible.  The antenna array is NOT
>> reversible, it is a two direction antenna array - not bi directional- it
>> is
>> two directive arrays in one assembly.  How you use it is up to you-  two
>> feedlines and hook the two lines to the two receivers in a K-3 and you
>> have
>> long and short path at the same time, and there are MANY other useful
>> combinations.
>>
>> Robin, WA6CDR
>> ----- Original Message ----- 
>> From: "Dave Harmon" <k6xyz at sbcglobal.net>
>> To: <Topband at contesting.com>
>> Sent: Thursday, July 08, 2010 21:04
>> Subject: Re: Topband: Fw: The 500 Foot Beverage
>>
>>
>>> Has anyone tried the DX Engineering reversible 2 wire Beverage?
>>> I think this is a W8JI design.
>>> Yes, I know they are expensive and I can make one a lot cheaper but if
>>> anyone can compare actual performance I would like to hear about it.
>>> Thanks....
>>>
>>> Regards
>>>
>>> Dave Harmon
>>> K6XYZ[at]sbcglobal[dot]net
>>>
>>
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>>
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
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>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK