Is the KA signal stronger or less prone to rain fade than the the KU? It seems my SD locals are more prone to rain fade than the HD locals.
Its actually the other way around...
Since the emphasis is on peaking 101 during setup, I'm sure it is possible that if your locals are on 119 you could have a weaker signal from that sat, while a strong signal on 101 would also likely mean a strong signal on 99. Did you ever get above 80% on 119?
In any case, the ka signals should be more susceptible to rain fade.