> Biscuit tin or similar would do, ocuple of large ferrite cores and wind the > usb cables toroidally? >
I was thinking that as someone with a lathe he must know some metal dealers around. I found a nice 2x4 foot piece of 1/8" aluminum at my local dump. Can't bring myself to cut into it. But we have this place about half an hour away, it's probably where it came from : http://www.thesteelshed.com/products.html Such places are fairly common I think, one servicing each geographical area as determined by competition. Or McMaster-Carr as a last resort and shipped https://www.mcmaster.com/ One question I've had for years about using big toroids for suppression is this: If you've got a cord that you don't want to take the connector off to fit through the toroid, does it do the same amount of good to just double a few feet of it back on itself and feed that through the toroid? Or do the magnetic fields oppose each other because the currents are flowing in opposite directions? http://www.surpluscenter.com might have something in toroids but I don't see anything quickly. Herbach and Rademan? Electronics Goldmine? Very marketable item because it's a quick fix. Go to a good ham flea market. Yeah, I've only been at it for 48 years. Worked 20 years as an electronics technician then shifted to computers. http://devio.us/~ab1jx/bio.html and http://devio.us/~ab1jx/files/resume.pdf I've looked at your website, mine's at http://ab1jx.1apps.com/
