In article <1189573998.886060.73400@y42g2000hsy.googlegroups.com>, BNB Sound <jon@bnbsound.com> wrote: >I set up my Icom 735 in my shack, grounded the radio and tuner to a >copper bus salvaged from an old fuse box with #12 wire. The bus is >attached to a ground rod directly outside the window with six feet of >#4 THHN. The antenna is a fan dipole cut for 40 and 20, 38 feet up on >top of the house. Field strength numbers are from a Radio Shack SWR/FS >meter and therefore completely arbitrary. > >The GFCI outlet that protects the circuit the rig is on would >sometimes operate fine for hours, and sometimes trip even with the rig Replace the GFCI with a new one of a different brand. -- Rich Greenberg N Ft Myers, FL, USA richgr atsign panix.com + 1 239 543 1353 Eastern time. N6LRT I speak for myself & my dogs only. VM'er since CP-67 Canines:Val, Red, Shasta & Casey (RIP), Red & Zero, Siberians Owner:Chinook-L Retired at the beach Asst Owner:Sibernet-L

"Cecil Moore" <nospam@w5dxp.com> wrote in message news:qoRFi.14924$3x.5792@newssvr25.news.prodigy.net... > BNB Sound wrote: >> I assume the internal components were either part of, or reacting to, >> some ground loop issues. Anyway, I said all that just so I could ask >> if anyone else has had a similar experience, or if anyone has a better >> understanding of the physics/electrical engineering issues behind the >> problem. > > The fan dipole is a balanced antenna. Coax is an > unbalanced feedline. Did you follow good engineering > practice and install a balun at the BALanced to > UNbalanced junction? I suspect you have common-mode > current problems (on your outside coax braid) which > a 1:1 current-choke-balun (or two) could reduce. > -- > 73, Cecil http://www.w5dxp.com > I solved my GFCI issues with small valued capacitors line to natural at the GFCI. I don't think the GFCIs like RF. If you try this make sure you use capacitors rated for line voltage use. KD6NT