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Hi LordAlex, What is the make/model 'capture' device. Sounds cheap?

Tks again Mike, Just applying a bit of science again, theory would say that the lnb should always be looking to 'fully illuminate' the dish, whatever the degree of offset from the centre position. This should be the case with any standard offset dish ie the lnb should be aligned to roughly...

Hi Mike, The attached pic is my interpretation of how multi lnb works on a conventional offset dish (ignore the sats ... they're overhead for us). I notice on your web site that many of the lnb's are quite sharply angled into the dish, whereas experience here is that lnb's are more or less...

Thanks Mike. That is what I suspected. Problem is, it's ok to use a higher f/d lnb on a lower f/d dish as effectively you are simply not 'looking' at all of the dish and since the dish is large you'll get good results. However when a lower f/d lnb is used on a higher f/d dish the lnb...

The F/D also affects separation of the lnb's. A higher F/D (focal point further out) will increase the separation of multi lnb's. The LNB F/D must allways match the dish F/D. Offset dishes and lnb's are almost all in the 0.6 - 0.65 F/D range. Size of the dish (greater) will increase...

Hi guys, I've a query regarding a suitable lnb config for a very flat 1.2m offset dish. It has an f/D of around 0.9 requiring a matching Ku lnb with a look angle of only 60 degrees (rather than the typical 0.6, 90 degree). The dish is a high quality ex VSAT internet unit made by Gilat. I...