Circular polarization feed horn

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desert Member ★★ Offline Posts: 9	May 2^nd, 2011 at 8:42am Hi, Can i use Andrew 1.8m antenna with OMT circullar polarization in mode linear polarization ? Can remove circular polarizer and use like linear ? Thanks,
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Reply #1 - May 2^nd, 2011 at 9:47am

You can remove the polariser and use the OMT direct to the feed. This make it a linear polarisation system, but be sure the LNB and BUC are properly supported by a bracket. Keep the polariser and the surplus screws etc in a safe place for possible future use.

Alternatively, turn the OMT deg relative to the polariser so that the pins/slots inside the polariser line up with the OMT waveguides. �You then have a linear polarisation system, the polariser won't get lost/stolen and the mechanical support arrangements remain good. You can also put it back to circular (pins/slots at 45 deg relative to the waveguides) if needed in the future.

Read more: https://www.satsig.net/pointing/circular-polarisation-set-up.htm
wxw
Best regards, Eric.

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desert Member ★★ Offline Posts: 9	Reply #2 - May 4^th, 2011 at 1:40am I will try , hope this help me Thanks,
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