Ed beat me to the punch.  I'm also thinking an external tuner  may help. 
  Of course the perfect answer is to get  one of your antennas 
resonant, but as we see from our  friend Eric, often easier said than 
done for any number of reasons.

Eric hasn't had great success in getting help from local hams, but maybe 
your situation is different and you could borrow an external tuner and 
see if it works.   I don't know the specs on the 570's internal tuner, 
but many of them claim only a 3:1 matching range.

73, Steve KW3A

On 6/14/2012 10:16 PM, Ed Malmgren wrote:
> Could it be that a wide range ant tuner would make some of those you have
> tried work.  I have used some crazy ants in my day with pretty good results.
> Good luck and 73
> Ed   K7UC
>
> --------------------------------------------------
> From: "Harry Brown"<[log in to unmask]>
> Sent: Thursday, June 14, 2012 8:00 PM
> To:<[log in to unmask]>
> Subject: I feel absolutely hopeless about hf, thinking of just letting my
> license, go
>
>> Hi all,
>> Well, the subject line says alot of it.
>> Folks, where do I start?
>> I have been a ham for 35 years, and I now live in an apartment, which is =
>> all concrete and steel.
>> Here's what I've done so far.
>> I've tryed isopoles antennas, I've tryed dipoles, I've tryed moble =
>> antennas.
>> Tonight, I tryed putting up the trap 80 40 dipole antenna.
>> Receives great on 40, and especially, on 20!
>> What no matter what antenna I use, no matter which antenna, all I get on =
>> my kenwood 570 is the cw that says swr.
>> So, I'm screwed.
>> I've spent hundreds of dollars on different antennas, and what a waste =
>> of money!
>> I even use the kt1 auto tuner and hooked up a piece of copper wire, and =
>> just threw it over the balcony railing!
>> All I can say is, who cares any more.
>> If I would have known 35 years ago, this is what my hobby would become, =
>> I probably might not have got my license.
>> I can't use the handiham w0eqo or w0zsw hf remote base, because I have =
>> it and everything I need to log in, and Joe, n3ain tryed to help me with =
>> it, and nothing.
>> Then, when I finally was able to log in, no key strokes would work.
>> My friend, has an echo link software on his computer, and there is an hf =
>> remote base on echo link, kb8zgl, but when we try to connect to it, we =
>> get the ID, but nothing else, no audio from hf at all.
>> I hope those of you who do have hf enjoy it for me, and enjoy it, =
>> because there might come a time, where you will live somewhere like I =
>> do.
>> It might sound like I'm complaining, and maybe, I am, but more and more =
>> hams like me now, and more and more, as we all get older, will.
>> I miss being able to get on hf any time, just like I could in the late =
>> 70s, with my good old hw101, which would work with any, and I mean any =
>> antenna, and it didn't care what the swr was
>> 73,
>> Trippy, ac8s
>
>
>