I'm brand spankin' new to the group so didn't see the original thread.
Expecting a sensitive receiver to operate just inches away from a wideband noise source is optimistic (IMHO). For best results, it needs shielding just like any other receiver and or transmitter does.
Computer noise might not show up as clean carriers or be identifiable by tuning across the band. It appears as an elevated noise floor most of the time, which sounds like background noise. I'm sure many people have interference from their own computers and most don't even realize it's there because it sounds rather like normal atmospheric noise.
For absolute best results, shield it. For casual listening on a crowded band, don't worry about it and run it as supplied.
My softrock-40 is going on LF when I get it and it will be located away from the computer and shielded. Switching supplies, florescent lamps and computer interference is pretty severe at 190 kHz and I want to have good reception. I'm even considering magnetic shielding due to the nature of the interference at these frequencies.
Regards,
Art
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The supply from the USB connector is 5V. Are you using a separate power
supply?
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