[TowerTalk] Broadbanding a dipole

[Tod]

> ...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 at contesting.com 
> [mailto:towertalk-bounces at contesting.com] On Behalf Of David Jordan
> Sent: Monday, January 30, 2006 12:42 PM
> To: Jim Lux
> Cc: towertalk at 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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