[UK-CONTEST] Feeding your dipole

Jim Martin - MM0BQI MM0BQI at blueyonder.co.uk
Sun Jan 15 15:50:03 EST 2006


Hi Steve
I have always used a balun on my wire dipoles.  At home the 40/80m dipole runs across the top of the flat roof section of the house and slopes steeply into the garden.  The feed point is 2m above the flat roof.  Without the balun (coiled coax or ferrite bead) I suffer from RFI in the shack and problems with local PCs and sound systems.  With a 10m long back garden and no front area there is no alternative for positioning the wires and at least I can be active on the bands with this arrangement. I tried re-routing the coax but this had little effect.  As a result I always have a balun on dipoles and verticals when used portable during contests or activating Islands.
73
Jim,  MM0BQI

-----Original Message-----
From: uk-contest-bounces at contesting.com
[mailto:uk-contest-bounces at contesting.com] On Behalf Of STEPHEN LAWRENCE
Sent: 15 January 2006 15:49
To: uk-contest at contesting.com
Subject: [UK-CONTEST] Feeding your dipole?

Hi Chaps. 

Just wondering how many folkes use a balun on their 80mtr dipoles?.  Or
do you just feed it with coax attach the wire direct?

Any advice would be appreciated. 

Worked 251 yesterday before the band died.

73

Steve
G4EOF


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