Topband: 160 meter 1/4 vertical
Cecil Acuff
chacuff at cableone.net
Mon Jul 3 19:33:29 EDT 2017
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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