Re: [AMRadio] Odd tuning on 160M

2009-07-18 Thread Bernie Doran
You are getting RF from somewhere into the Palstar, place it on manual tune after it is satisified with the initial tuning. BernieP.S. I have the same thing with a Yaesu, I just disabled the auto tuner Original Message - From: "M. K. Hess" To: Sent: Saturday, July 18, 2009 1:16 PM

Re: [AMRadio] Odd tuning on 160M

2009-07-18 Thread Brett Gazdzinski
Yes, I would also try adding 10 feet of coax and see what happens. What sort of antenna's are they, high power AM (anything over 100 watts) will heat most antenna's into slag, and even good ones warm up and can change swr. That is one reason why I went to resonant dipoles without a tuner, fed w

Re: [AMRadio] Odd tuning on 160M

2009-07-18 Thread John King
Mike, I suspect that stray RF is getting to the auto tune circuits if it is indeed an autotune tuner. Sounds like RF peaks in the Amp might be upsetting the applecart. Grounding can be a PROBLEM if you have ground loops. However, I would suspect "stray" RF since it seems to happen when QSOing a

[AMRadio] Odd tuning on 160M

2009-07-18 Thread M. K. Hess
Hi Folks, Here's a question that may need to get filed under "dumb", or maybe not, but here goes! I have a V-Beam, a Vertical, and a Dipole, all capable of 160M operation. I use a K3 as my exciter, an Alpha 91B as an Amp, and a Palstar AT-Auto for the tuner. The following happens with any of thes