Re: [Elecraft] [KX1] KX1 | KXAT1 ATU questions

2010-01-04 Thread Bill K9YEQ
Cc: chesapeake1...@post.harvard.edu Subject: [Elecraft] [KX1] KX1 | KXAT1 ATU questions My KX-1 has KXB3080, KXAT1, KXPD1 options. I am having trials and tribulations with the KXAT1 tuning my KX-1. My configuration was Cobra Senior Ultralight up 60-66' at one end 45-50' at the other with center

Re: [Elecraft] [KX1] KX1 | KXAT1 ATU questions

2010-01-04 Thread John W2XS
Dan - I have the same antenna and the same balun. It is a great combination from 160m to 10m. Before I used the balun, however, I used a balanced Johnson Matchbox. I found that I had to add some length to the original ladder line (about 18 feet) to get all bands to match (including all of the

[Elecraft] [KX1] KX1 | KXAT1 ATU questions

2010-01-03 Thread Daniel Paul Perez
My KX-1 has KXB3080, KXAT1, KXPD1 options. I am having trials and tribulations with the KXAT1 tuning my KX-1. My configuration was Cobra Senior Ultralight up 60-66’ at one end 45-50’ at the other with center up about 55-60’ | 81 feet of 450 ohm ladder line runs that runs about 1’ foot through

Re: [Elecraft] [KX1] KX1 | KXAT1 ATU questions

2010-01-03 Thread Don Wilhelm
Dan, Would you please borrow an antenna analyzer from your friend and publish the impedance (both resistive and reactive components) of that antenna measured through both the 3 ft coax and the 25 foot coax. After having that data, perhaps we can give you an intelligent answer instead of mere