EIRP values for Ku band (EIRP vs dish size comparison) - satbroadcasts.com
EIRP values for Ku band (EIRP vs dish size comparison)
Effective Isotropic Radiated Power vs antena diameter values for Ku Band.
 
EIRP (Effective Isotropic Radiated Power) is the amount of power that a theoretical isotropic antenna (which evenly distributes power in all directions) would emit to produce the peak power density observed in the direction of maximum antenna gain.

The EIRP is often stated in terms of decibels over a reference power emitted by an isotropic radiator with an equivalent signal strength (for example: dBm or dBW).
 
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Following table contains EIRP values for the Ku band (downlink frequencies 10.7 - 12.75 GHz). The values shown in the table assume having an Universal LNB with noise figure of 0.7 dB.

EIRP [dBW]Dish diameter [cm]
6422
6324
6226
6128
6030
5932
5834
5736
5638
5540
5445
5350
5250
5155
5060
4960
4860
4775
4680
4590
4490
43100
42110
41120
40120
39135
38150
37180
36240
35300
34355
33400
32450

Example of satellite beam map with EIRP values in dBW

Amos 2 - European beam
 
source: satbroadcasts.com
 
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