> ...I use 2" irrigation tubing for a dipole on 40 meters. The
> dipole has a usable bandwidth of about .5Mhz
I suspect the 2" tubing is to minimize droop on 40 meters rather than VSWR
across the band. Last I heard we only were allowed to use 300 kHz.
Tod, K0TO
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of David Jordan
> Sent: Monday, January 30, 2006 12:42 PM
> To: Jim Lux
> Cc: towertalk@contesting.com; Jim Miller
> Subject: Re: [TowerTalk] Broadbanding a dipole
>
> Hi Jim,
>
> ...I use a cage 1/4 wave vertical on 40 meters. Using two
> hulla hoops and 12 wires. The vertical has a usable
> bandwidth of about 1.5Mhz.
> ...I use 2" irrigation tubing for a dipole on 40 meters. The
> dipole has a usable bandwidth of about .5Mhz>
> 73,
> dave
> wa3gin
>
> Jim Lux wrote:
>
> >At 08:57 AM 1/30/2006, Jim Miller wrote:
> >
> >
> >>Speaking of broadbanding and the possibility/probability of
> increased
> >>loss as the actual cause, does this apply to the dipole cut to a
> >>specific band and then running several wires in a box (for
> instance)
> >>configuration separated by a foot or so with spreaders at
> the ends and
> >>all driven and connected together on each end?
> >>
> >
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