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| View Original: | Hughes Direcway LNB.jpg (1851x1437) | |||
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| Keywords: Hughes Direcway LNB.jpg Closeup of a LNB low noise block on a Hughes Directway satellite dish on the roof of a convenience store in Mount Vernon Washington USA The Hughes Direcway service provides broadband satellite internet service for businesses This device receives the microwave signal from the satellite after it is focused by the dish amplifies it so it is stronger and converts it to a lower frequency so it can be sent by a coaxial cable into the building The microwaves are collected by the corrugated horn antenna at front and conducted by waveguide into the device The steps or corrugations visible on the inside surface of the horn reduce the beam width create a more symmetrical beam pattern and reduce cross-polarization The complicated mechanism at bottom allows the LNB to be positioned precisely at the focus of the dish own 2010-11-07 Chetvorno I Chris Burks Chetvorno the author of this work release it into the public domain for any use whatever Horn antennas Low noise blocks LNB | ||||
