Mike, I too have done this, but am out of the shielded wire, and the stuff that I had was only about 24 gage. Do you know where to get 22 gage, three conductor shielded wire? Thanks.
Anyone know more about the Ferrite cores? I found this place:
http://www.universal-radio.com/catalog/misc/amidon.html Can this be an effective solution? If so, what size and what material or AL rating? Thanks.