Hi there
guys I need help about this setup I have 180cm prime focus dish with ku band feed horn , feed horn arms are 94cm with two holes for minor adjustment . since it came with common ku band feed holder later on need to change a ku band lnb and feed horn which are designed for prime focus as may you can see in the picture most channels work but hd channels between 9 pm to 12 pm depends on weather disappear sd channels works 24/7 even in heavy weather in pursuing of hd channels I bought Invacom c120 twin lnb with matching c120 feed horn thought just one swap will solve my problem but its turns to be failure when I change lnb to Invacom all I get is flicker AGC stable but SNR jumps from 0 to 100 thats what all I get checked on two different boxes with same result what im doing wrong here swap back to old lnb setup everything works please do require expert opinion Thanks
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