[Elecraft] 160m loop experiment a big failure

[Steve Walter WA3A]

I use only open-wire fed antennas here.  I have 3 feedlines that come right
into the shack to balanced tuners (Palstar BT1500A) and run the legal limit
with few RFI problems.  My house is in the middle of a large rhombic
(unterminated) antenna.  I don't have a station ground other than the AC
safety ground at my shack. 
My shack is in the basement but Ive had this same setup on the second floor
with good results.  IMO, an outside ground thats brought to the 2nd floor is
not needed and in fact will cause problems.  If I had any coax feeds I would
follow the SPG design for lightning protection but with open wire I have
disconnects where they enter the house and ALWAYS disconnect and ground them
(common ground to AC entrance) about 20' from the house.
A balanced tuner will help a lot.  
Open-wire feedline probably isnt the cause of your RFI.
It sounds like you may be on to something with your latest post.
73, Steve

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