The SteppIR's confirm it's East of my location in NH. I pulled out my active magnetic loop antenna and it appears to be emanating from ~060 degrees. I could hear it on Simon's server at an S9, but not sure what direction his loop is aiming. It's been jumping around the 17/16M band... Here's a comparison (hard to do with two totally different antennas) of the noise. My QTH on left, Simon's on the right:
