Hi Sam ,
I made a mistake with the name sorry Harry. :-)
I use the Mid+ desktop version on 20 and 40 meters.
My antenna won't work on 80 meters its only for 10 , 20 and 40 meters and i am not allowed to on 80 meters yet. (summer 2020 i wil)
i am stil learning about db,s and signal strength but its amazing what u can do with wspr.
73,s
Ron