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Chas Nagel <cnagel@sbcglobal.net> wrote:    I had a similar problem when I had 
my Heath Cantenna (dummy load) connected to antenna #2. The Cantenna was 
located under the desk requiring about 10 feet of RG-58/U coax. Obviously I 
relocated the Cantenna and shortened the lead considerably. Check to see that 
you are not causing other wires in the vincinity to radiate back into the 
Orion. I know you said your feedline is 1:1 but I still believe your problem 
may be caused by some re-radiating external wiring in close proximity if not 
the feedline itself. Just because the Orion may see 1:1 does not mean 2 or 3 
feet away the swr continues to be 1:1, assuming you are using an Orion AT.
   
  Charles, K0CW
DAVID LEDUC <n1ix@verizon.net> wrote:
  I have an Orion I that I recently purchased used. I have noticed that the
CRT display flashes on and off with each dot and dash that I send. If I
reduce the power output to 50 watts or less the problem goes away. The SWR
is 1:1 and the Orion is properly grounded.
Is this normal? 
Dave N1IX
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