[Moon-Net] 2.4M PRIME FOCUS / 2.4M OFFSET/ ALSO SEPTUM FOR 1296

F5HRY f5hry at wanadoo.fr
Mon Nov 21 22:23:26 CET 2016


The effeciency  of the offset dish is always better than a PF dish.

"Why" would need a long discussion, but you will find all you want about 
in several good web pages !

Usually, offset dishes are "flat" (high f/d, over 0.6). The septum feed 
is more designed for lower f/d (around 0.4).

73,

Hervé F5HRY

Le 21/11/2016 à 22:00, serge a écrit :
> Which is best a 2.4M prime focus dish or a 2.4M offset dish? & WHY? 
> What kind of septum would you use on both dishes for 1296???
> Thank you
> Serge, VE1KG
>
>
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