What is the difference between the "standard" and the .8 f/d reflectors?

miguelaqui · Aug 31, 2017

The Prodelin 1194 has a .8 f/d ratio and a low cross polarization. I am considering getting one, but want to make sure that I do not make a mistake.

I was just wondering if that would be better or worse for reception in the lower Ku band? I am trying to use it for Shaw Direct's Extended Ku band on G1.

Would the low cross polarity help or make it worse?

Titanium · Aug 31, 2017

Offset dishes usually range between .5 and .8. For single satellite reception, the higher F/D could provide better sidelobe rejection with a matching feed. Just make sure that you use a scalar/feedhorn matched to this F/D ratio.

The better the cross polarity rejection, the better the SNR and potential for better signal quality. Once again, if paired with a matched feed.

Larry1 · Aug 31, 2017

Titanium said:
For single satellite reception, the higher F/D could provide better sidelobe rejection with a matching feed. Just make sure that you use a scalar/feedhorn matched to this F/D ratio.

Is this being used for the just the one satellite reception with separate dishes for the each of their satellites?

miguelaqui · Sep 1, 2017

Larry1 said:
Is this being used for the just the one satellite reception with separate dishes for the each of their satellites?[/QUJUST FOR THE G1 /F1 LOCATION.

I am using it just for the 107.3 location.

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What is the difference between the "standard" and the .8 f/d reflectors?

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