from western CT, with a side-mounted Titanium C1W-PLL with dielectric slab, on a 10-ft Winegard Quadstar:
AFN mux: stable reception at 7.2dB, plenty of margin
ANUVU mux (4132R30000): 4.7dB, and it requires 4.0 dB to lock, so not much margin.
I know I can also receive both with an 8ft dish...