Hmmmmmm, i'm about a dB down on you and at a bit quandry where i'm dropping it.
I'm peaking at 9.8dB at the mo. Did a bit of an experiment earlier on and took the Spaun switch out of circuit and just had a straight run of coax through to the rx. The Spaun insersion loss was about 0.2dB max .
My 1.8 CM gives nearly 13db on that signal, same Inverto Ka/Ku lnbf.
* Interestingly .... your display is showing DVB-S2 & 32 APSK, my 5402 M3 shows it as DVB-S, Promax gives it as 8PSK ???....weird stuff this satellite business