[OZAPRS] HF antenna

Hamish Moffatt hamish at cloud.net.au
Sun Jul 3 13:49:51 EST 2005


Yes that's fine for Rx... balun often consists of a few loops of the
coax at the feedpoint anyway.

Hamish

On Sun, Jul 03, 2005 at 01:37:35PM +1000, Andrew Rich wrote:
> used a formula from the net
> 
> I have no balun, i guess that ok for rx ?
> 
> currents are prollyt out of balance
> 
> 
> -----Original Message-----
> From: Hamish Moffatt [mailto:hamish at cloud.net.au]
> Sent: Sunday, 3 July 2005 12:16 PM
> To: ozaprs at marconi.ics.mq.edu.au
> Subject: Re: [OZAPRS] HF antenna
> 
> 
> On Sun, Jul 03, 2005 at 08:25:12AM +1000, Andrew Rich wrote:
> > Gents,
> >
> > I calculated an inverted V as 10.147.600 = 6.677M (21.905 ft) per leg
does
> > this check out ?
> >
> > Signals are there just weak
> 
> What's the SWR on Tx? That'll tell you if the length is ok.
> 
> What did you use for the velocity factor when you worked it out?
> I guess about 91%. Probably ok.
> 
> Hamish
> --
> Hamish Moffatt VK3SB <hamish at debian.org> <hamish at cloud.net.au>
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-- 
Hamish Moffatt VK3SB <hamish at debian.org> <hamish at cloud.net.au>
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