Case in point: [dereksgc] is tearing apart a 20 GHz low-noise block (LNB). An LNB is a downconverter, and this one is used for some Irish satellite TV services. The scale of everything matters ...

Aerials can be moved or damaged by strong winds ... A build-up of snow on the dish and LNB (the unit in the centre of the dish that receives the signal) can affect reception.

Cracked, split or damaged cables and connectors can cause reception problems, especially if water gets into your aerial or satellite dish installation. The water will reduce the quality of the ...