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- Mon Aug 06, 2018 5:03 pm
- Forum: SDR Antennas
- Topic: Mains noise
- Replies: 13
- Views: 48372
Re: Mains noise
Don't ground your radio/coax to the mains ground wire! If you do (even if you don't) it's important to use a balun/unun to connect the feedline to the antenna so that common mode currents on the feedline don't couple into the antenna.