Hi Mike You have found that Kp and A are not good indicators of propagation conditions at LF. Try looking at Dst instead. Dst effectively measures the Equatorial Ring Current which is the electrons a
er No Dave, Mike WE0H was talking about DX effects in his posting, rather than "trench telegraph" :-)) If fading is seen there must be skywave, even from a ground loop............ ground-wave is of c