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<DIV><FONT size=2>sounds like a problem in tank circuit.</FONT></DIV>
<DIV><FONT size=2>check driver tank circuit.</FONT></DIV>
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<DIV><FONT size=2>It may be normal to lose a little at 10 meters,.</FONT></DIV>
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<DIV><FONT size=2>I have a DX 60 and it drops off at 10 meters.</FONT></DIV>
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<DIV><FONT size=2>Also try a dirrerent output tube.</FONT></DIV>
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<DIV><FONT size=2>I have a collins 30L1 with 811A tubes.</FONT></DIV>
<DIV><FONT size=2>With some brands of tubes it dropes a lot a 10
meters.</FONT></DIV>
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<DIV><FONT size=2>Also if there is a choke at plate of tube with a resistor in
</FONT></DIV>
<DIV><FONT size=2>side it. maybe around 5 turns .</FONT></DIV>
<DIV><FONT size=2>check it ,it may be resonant.</FONT></DIV>
<DIV><FONT size=2>try jumping it out to test.</FONT></DIV>
<DIV><FONT size=2>If so change the number of turns.</FONT></DIV>
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<DIV><FONT size=2>also check plake choak to B+</FONT></DIV>
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<DIV><FONT size=2>also see if you are loasing drive to output
tube(s).</FONT></DIV>
<DIV><FONT size=2>I doen't know the SB 104A.</FONT></DIV>
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<DIV><FONT size=2>Good luck,</FONT></DIV>
<DIV><FONT size=2>Robert</FONT></DIV>
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