I’d say your coax is bad then. If you got a 30:1 SWR (can you even measure that high?) with a dummy load, that just  ain’t good if that’s with the tuner taken out. You shouldn’t need a tuner to tune to match a dummy load.
On Feb 8, 2014, at 11:02 PM, Mike Ryan <[log in to unmask]> wrote:

> Hi all:
> 
> On the one hand I got my buddy researching my antenna to death and coming
> up with a theory that my antenna shouldn't have the Unun balun because it's
> not a 4/1 which is what I'm supposed to have.
> Tom assures me that the way I have my antenna set up is just fine and it's
> the coax. Tom suggested I place a dummy load at the end of my coax and I
> should have a flat or very low SWR. If it was high then it was definitely
> the coax. I did just that and the SWR was 30/1 but was able to be tuned to
> flat and held.
> My buddy put my tuner on his wire antenna with 1kw through it with no
> issues.
> Omg the trials. I don't know who to believe.
> 
> 73:
> Mike VO1AX