• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • The Feb 2025 Radioddity Giveaway Results are In! Click Here to see who won!

Reply to thread

Well the issue I had with my LCD TV switching on-off when I talked on 10 meters (as described in this post  http://www.worldwidedx.com/general-ham-radio-discussion/129279-rfi-somebody-please-choke-me.html ) has finally been solved.


The first step was two ground rods under the station connected to a ground bus for all of my gear.  No change.


Next was replacing the G5RV and ladder line with a simple coax fed dipole  (http://www.worldwidedx.com/general-ham-radio-discussion/131761-1000-mfj-balun.html).   This was a huge improvement, however I could still "remotely control" the TV power when transmitting between 28.380-28.385.  Obviously a circuit in the TV was unshielded as Mole had suggested in my earlier post.  Probably something that wasn't going to be cured with a ferite choke on the TV's cord.


Next I looked at the power to my radio bench.  It was powered by a 12ga. extension cord and several power strips.  This was one of those "temporary" set-ups that i just never got around to cleaning up.  I ditched all of that, tied in to a near-by circuit with nothing on it but my garage fridge.  After a fair amount of conduit bending and foul language (I hate pulling 12ga), I had cleaned up my previous Rube Goldberg wiring, but I still had the problem.


The final step was tying the ground wire in the circuit to the new ground rods under the bench.  Viola!   Problem solved...


I still don't fully understand the effects of a ground loop, or how it caused this RFI, but it's obviously an issue worth paying attention to.