Re: Where is the focal point of an LNB?


Chris Wilson
 

Hello Neil,

Thursday, April 1, 2021

This is what I was afraid of Neil. The set up worked fine, but terrestrial satellites and a 1.8 meter dish gives a lot of leeway, so I will see how I can give things some adjustability, thank you.

Best regards,
Chris 2E0ILY mailto:chris@chriswilson.tv


NSG> With unknown dishes, I don't trust the current location of the
NSG> feedpoint, I make a temporary bracket which can slide along the
NSG> LNB axis and use sun noise to find the optimal position, verify
NSG> using a longish optical path, then measure the position and make
NSG> a permanent clamp with a couple of cm adjustment.

NSG> Neil G4DBN
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NSG>
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