Topband: Beverage Ant Thread

Edward navydude1962 at yahoo.com
Sat Jul 7 23:08:23 EDT 2018


Thanks for the response. Perhaps I should think about two separate antennas?  Seems the longer one may be just what I need for BCB. They would all be terminated and bidirectional with the DXE product. 

73,
Ed

> On Jul 8, 2018, at 5:45 AM, Chuck Hutton <charlesh3 at msn.com> wrote:
> 
> Can you be more specific about "deterioration"?
> 
>   - front to back?
> 
>   - front to side?
> 
>   -gain?
> 
> 
> It's my feeling that lengthening a BOG past .5 wavelength or so may bring a bearing into a null and move other bearings out of a null, just like a normal Beverage. The result may be seen as beneficial or not, depending on where you are and where the interference is.
> 
> 
> Chuck
> 
> 
> ________________________________
> From: Topband <topband-bounces at contesting.com> on behalf of donovanf at starpower.net <donovanf at starpower.net>
> Sent: Saturday, July 7, 2018 8:13 AM
> To: topband at contesting.com
> Subject: Re: Topband: Beverage Ant Thread
> 
> Hi Ed,
> 
> 
> 600 feet is much too long for a BOG on any ham band except 630 meters.
> Performance deteriorates as you lengthen a 160 meter BOG beyond
> about 225 feet.
> 
> 
> Because a BOG is so lossy, an unterminated BOG has significantly
> reduced response from the backward direction.
> 
> 
> 73
> Frank
> W3LPL
> 
> ----- Original Message -----
> 
> From: "Edward via Topband" <topband at contesting.com>
> To: topband at contesting.com
> Sent: Saturday, July 7, 2018 12:12:50 PM
> Subject: Topband: Beverage Ant Thread
> 
> I have also been planning my own Beverage antenna. My situation will only allow for a BOG which will be bidirectional and >600' long.
> 
> I plan to use the DXE kit, specifically designed for ladder line. My understanding is that 600' would be too long for a BOG on 160m. Though 160 is one application, my other passion is logging foreign BCB DX reception.
> 
> What would the happy medium be? Maybe two separate antennas?
> 
> Advice appreciated.
> 
> 73,
> Ed NI6S/7Z1ES
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