Topband: 160 meter 1/4 vertical

Dale Putnam daleputnam at hotmail.com
Mon Jul 3 19:37:57 EDT 2017


The delta loop corner fed. Which corner? Makes a huge difference, doesn't it?

Make this a great day
Dale

> On Jul 3, 2017, at 5:34 PM, Cecil Acuff <chacuff at cableone.net> wrote:
> 
> We've run balloon supported 1/4 wave and 3/8 wave wires over our buried radial field with great results for contests. The balloon is a pain with any weather or wind but loads of fun.
> 
> Cecil
> K5DL
> 
> 
>> On Jul 3, 2017, at 6:00 PM, Herbert Schoenbohm <herbert.schoenbohm at gmail.com> wrote:
>> 
>> Many have tried balloon or kite supported  5/8 wave verticals on 160 with
>> disappointing results.  I used to have a 308 self supporting tower which i
>> could use at night on 160 but it never ever beat a corner fed delta loop
>> supported by the same tower.
>> 
>>> On Mon, Jul 3, 2017 at 6:38 PM, Peter Voelpel <dj7ww at t-online.de> wrote:
>>> 
>>> Please check the pattern on 60 and 40m where the 37m high vertical is going
>>> to be used.
>>> You certainly will see the high angle lobes.
>>> 
>>> 73
>>> Peter
>>> 
>>> -----Original Message-----
>>> From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of Charles
>>> Moizeau
>>> Sent: Dienstag, 4. Juli 2017 00:10
>>> To: Herbert Schoenbohm; TopBand List
>>> Subject: Re: Topband: 160 meter 1/4 vertical
>>> 
>>> The free-space pattern of current in a vertical (and also  horizontal)
>>> antenna is crescent shaped with its maximum at the midpoint, and a minimum
>>> at each end.  It shows nothing that could be termed an extraneous lobe.
>>> Any
>>> such lobes would seem to be the result of improper matching, or more
>>> likely,
>>> the fact that in the real world such an antenna is in an environment that
>>> is
>>> certainly not free space.
>>> higher angles.
>>> 
>>> 
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