Audio system picking up RF
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| Nov 23rd 2015, 19:59 | |
KK6NTLTotal Topics: 0 Total Posts: 0 |
I have been operating my FT450D 100w with a homebrew fan dipole with 40-20-10m legs for several months. Most commonly SSB and occasional digital on 20m. I have never experienced any problems until I returned from a 10 day trip and now have audio interference on the home sound system when transmitting SSB on 20-15-10m. 40m, VHF and UHF (different antenna) is no problem. Nothing in either the shack or the audio system has been changed. Varying the transmit power makes no difference. When I get this dealt with I will attack the S9+30 background noise! Any advice is greatly appreciated. |
| Nov 23rd 2015, 21:07 | |
W1VTSuper Moderator Total Topics: 0 Total Posts: 0 |
http://www.arrl.org/audio-1 Our web page on this issue Zack W1VT ARRL Senior Lab Engineer |
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