[Elecraft] OT: Remote tuner, vertical, and K3 help needed

[David Gilbert]

Or even simply replace the antenna with the dummy load to make sure the 
tuner actually works remotely.  It seems to me that some basic trouble 
shooting here might possibly supplant a whole lot of conjecture.

Dave   AB7E


On 11/9/2011 12:21 PM, Ron D'Eau Claire wrote:
> Have you substituted your dummy load in place of the tuner at the antenna
> and rechecked the SWR? That will identify any connector/coax/arrester
> issues.
>
> Ron AC7AC
>
> -----Original Message-----
> I have a weird problem that I could use help on.  I have limited experience
> with antennas, so the answer could be something simple I have overlooked.
>
> I am using a K3/100 with the ATU.  I recently installed a 31 foot vertical
> antenna with ground radials and a balun at the base. The MFJ analyzer shows
> an SWR (at my K3) below 1. 3:1 on 40M and near 15M as you would expect.  SWR
> for the other bands are much higher, about 4:1 for 17, 12, and 10. But, the
> K3 tuner trims up fine. I understand the efficiency is hit, but it does
> work. On 20M, the SWR is near 6:1. Again, I can tune it with the K3, but I
> am not getting out well.  These results are the same with the Electraft BL2
> balun OR a DX Engineering line choke installed. There is about 80 feet of
> LMR-400 between the rig and the antenna.  I also have a static/lightning
> arrestor in line.
>
> In doing some research, it seems that a remote tuner at the antenna base
> would be a more efficient system. I purchased a remote tuner kit from DX
> Engineering, that includes an MFJ 927 tuner at the base (along with a mount
> and a line choke). I  bypassed the internal K3 tuner.  With the remote tuner
> in place, the SWR HI message is displayed on my K3 when I try to transmit
> most of the time, and on all bands.  The tuner was checked out by MFJ under
> warranty, and came back fine.  I reinstalled it, and have the same
> problem...
>
> Thanks in advance.
>
> 73s
>
> Randy K6CRC
> K3#2051
> k6crc at arrl.net
>
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