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@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@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.
>
>
> ---
> Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft.
> https://www.avast.com/antivirus
>
> _________________
> Topband Reflector Archives - http://www.contesting.com/_topband
>
_________________
Topband Reflector Archives - http://www.contesting.com/_topband
|