Maximum Usable Frequency: How Low Can We Go?

Like a Pathological Narcissist Ruining a Free Democracy, we ask “How low can we go?” https://www.sws.bom.gov.au/HF_Systems/6/5 The answer is “Pretty damned low”. Oh right – the Ionosphere. The MUF is right now at 2 mhz – and I see that red blob up north where the MUF gets down in the AM BCB range. Life at the bottom of the cycle. Lets hope things…

Mystery Solved: MUF Map Shows MUF is 80M

This is by far the best MUF Map out there. There is another that is really old – from 2003 and pales in comparison to this one.  https://www.sws.bom.gov.au/HF_Systems/6/5 The Maximum Usable Frequency (MUF) has been very low at night for quite a while now. I’ve been wondering why 40M has become so noisy – and with these magnetic loops, I am able to steer…