Here appeared a strange broadband noise over whole 80m band. No birdies, sounds like an extreme QRN. Screenshots from my Elecraft P3 are here: Dec. 4 3503 kHz http://www.ok1rr.com/public/80m.png today 3537 kHz http://www.ok1rr.com/public/80m1.png I will be grateful for any advice (possible source, how to locate etc.). 73, Martin, OK1RR