Missing transponders after turbo 8psk transponders

[Dabbith]

Hi,

I just recently noticed that every time I do a network NA fast scan I miss the next transponder after any turbo 8PSK transponder. I get no signal on the turbo transponder as expected, but the transponder after that always shows no signal too, even though it should have signal. If I re-scan just those transponders they are found properly. If I scan a bird with no turbo transponders I have no issues. Is there some delay setting I need to increase?

DD 1.4i
Twinhan 1020a - Native
Spaun 4x1 switch
WinXP