dbw in relation to dish size

sonnetpete

sonnetpete

Grumpy Old Retired Moderator and quiz inquisitor..
My Satellite Setup
Laminas 1.2M fibre dish with an IBU, on a Clarke Tech USALS motor, covering 57E - 24.5W to an Octagon SX88. Displayed on a 20" Dyon LED TV.

Seperate 80 cm dish on 28E with a Humax Freesat for SWMBO.
Free Sat V8 meter. Sony Bravia 46" LCD, Sony BluRay and Home Cinema.
My Location
Normandy, France
I've noticed the last few days the Lyngsat have stopped using their own maps for footprint coverage and are linking through to sat websites. With a few exceptions these show coverage expressed in dbw. I admit to not being very technical (used to work for BT :-rofl2 ) so can someone produce a list/chart showing dbw in relation to dish size? Or post a link to a site which does?

Perhaps we could have a sticky thread with a chart showing this?

Pete
 
They may have stopped showing it because it can be pretty inaccurate Pete.
 
Graph 5 from the top is probably the most appropriate one to use

_http://www.geo-orbit.org/sizepgs/eirporgcharts.htm

Calculated dish size is for the higher symbol rates.
 
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