[Elecraft] Elecraft. G5RV Question

[Steve Hostetler]

Martin,
Before going to a G5RV, I would try feeding your 80 m dipole with 450 
ladder line to a (good) 1:1 current balun and use a short run of coax to 
the K1.  I use this setup to feed 102' and 44' wires.  My Ks tune them 
on any of the bands they cover (you need a bit of additional L/C help on 
160) and they work great.at QRP levels.

73, steve, kx7r

Martin.Evans at simoncarves.com wrote:

>Hi Guys, my main rig is a K1 feeding a multi dipole for 80/40/20 with no
>ATU. I am thinking of taking down the dipoles and trying a full size G5RV.
>Questions:
>
>   Will the KAT1 ATU tune up on all bands from 80-15m
>
>   I will be using about 80 feet of 50ohm coax to get from the matching
>   section to the rig, am I going to get big losses in the coax due to the
>   high SWR on most bands? The beauty of the G5RV is that it can be fed
>   with coax but with only 5W I don't want to waste all the power in the
>   feeder.
>
>   I intend to build the G5RV myself (like all of my antennas), how
>   accurate does the length of the matching section have to be? does it
>   need tuning in some way. Can I use any insulated wire for the open wire
>   section?
>
>
>The multi dipoles have been great performers but it's a lot of wire up
>there and very heavy, I thought that with the G5RV being one single top
>wire it will be lighter and I may be able to get it higher.
>
>Any thoughts would be appreciated.
>
>
>Why not take a look at our Web site?
>http://www.simoncarves.com
>
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