Hi,
In the past the company OREXIS provided an online HF bandscope
Here is one of their outputs (reduced size),
http://www.astrosurf.com/lombry/Radio/hf-spectrum.gif
Their website is no more active.
Does someone know if we can find similar graphs somewhere else on the
Internet ?
Thanks in advance
Thierry, ON4SKY
http://www.astrosurf.com/lombry