GRAVES RADAR and 49.750 MHz meteorscatter , troposcatter and E sporadic correlation

As in the picture , with Fabrizio Francione , at the address :
http://www.sidmonitor.net/gallery/station2.html
we have added a new spectrum plot related to the reception of video carriers at 49.750 MHz from former Russia and China .

This second plot could also be useful to check open propagation on the 6m Ham band .