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  1. Rusty_831

    Need help with these soldering joints

    Thanks for everyone’s help and for sharing your knowledge.
  2. Rusty_831

    Need help with these soldering joints

    Hi can someone tell me if these solder joints look like they were missed? This is my 2970n4 and it looks like there is no solder on a few joints. Is it supposed to be like this? Thank you KN6KXM
  3. Rusty_831

    using an unun and a current balun on the same feed line?

    great will just use the 1:1 current balun and call it good. thanks for the advice and taking time to reply.
  4. Rusty_831

    using an unun and a current balun on the same feed line?

    hi I was hoping to get some advice from the group on how to impedance match my mobile setup and also use a current balun to mitigate any common mode current. according to my rig expert at resonance my 1/4 wave vertical measures z= 60 j+.01 and id like to wind an unun to match the coax to the...
  5. Rusty_831

    3rd generation antenna farmer

    3rd generation antenna farmer
  6. Rusty_831

    Antenna adjustments and my 2970n2

    I have a question on adjusting the length of my 108” whip on my mobile. When using my rig expert zoom 35 analyzer at the antenna feed point I get a different reading than when at the radio. I understand that the coax acts as an impedance transformer so I assume that’s the difference. My question...
  7. Rusty_831

    service manual and alignment 2970n2

    Hi can anyone tell me what service manual do I use to align a 2970n2? I looked all over the internet but couldn't find a specific manual for the 2970n2. thanks for the help!!!
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