With fairly high A and K indexes the only good dx were NP4A and KL7HBK who kept on rolling in for one hour from 0430. W1AW was down in the noise. Has anyone in Eu a clue regarding the carrier on 1836? Has been there for decades. As Bill W4ZV pointed out it might be a BC harmonic. It seems to be coming from the south. 73 Len /SM7BIC