Okay, so I moved my antenna to the other chimney of the house. Six meters away from the neighbors monitor (a Philips 190WV7CS/00) and after a thorough test on all HF-bands with 100 watt RTTY there is a little improvement. The striping has faded a little but not enough to satisfy the neighbor. So plan B came in action: temporarily replace the Philips piece of *&^(#@ with my 20′ Apple Cinema Display. As expected that solved the whole problem. No RFI whatsoever. So for now I’ll leave the monitor at his place so he can work. He’ll replace his Philips montor at a later time.

Let get on contesting!