what size satellite dish?
Please refer to the following formula and related information:
EIRP = G * P = 10(g/10) * P [W]
G: Antenna gain coefficient
g: Antenna gain [dBi]
P: Power [W]
Following table contains values for the Ku band. The values shown in the table assume having an Universal LNB with noise figure of 0.7 dB:
EIRP Field Internsity |
Antenna diameter |
EIRP Field Internsity |
Antenna diameter |
64 dBw |
22 cm |
47 dBw |
75 cm |
63 dBw |
24 cm |
46 dBw |
80 cm |
62 dBw |
26 cm |
45 dBw |
90 cm |
61 dBw |
28 cm |
44 dBw |
90 cm |
60 dBw |
30 cm |
43 dBw |
100 cm |
59 dBw |
32 cm |
42 dBw |
110 cm |
58 dBw |
34 cm |
41 dBw |
120 cm |
57 dBw |
36 cm |
40 dBw |
120 cm |
56 dBw |
38 cm |
39 dBw |
135 cm |
55 dBw |
40 cm |
38 dBw |
150 cm |
54 dBw |
45 cm |
37 dBw |
180 cm |
53 dBw |
50 cm |
36 dBw |
240 cm |
52 dBw |
50 cm |
35 dBw |
300 cm |
51 dBw |
55 cm |
34 dBw |
355 cm |
50 dBw |
60 cm |
33 dBw |
400 cm |
49 dBw |
60 cm |
32 dBw |
450 cm |
48 dBw |
60 cm |
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Following table contains values for the C band. The values shown in the table assume having an LNB with noise figure of 20°K:
EIRP Field Internsity |
Antenna diameter |
EIRP Field Internsity |
Antenna diameter |
42.0 dBw |
110 cm |
34.0dBw |
270 cm |
41.5 dBw |
120 cm |
33.5 dBw |
280 cm |
41.0 dBw |
130 cm |
33.0 dBw |
290 cm |
40.5 dBw |
140 cm |
32.5 dBw |
300 cm |
40.0 dBw |
150 cm |
32.0 dBw |
310 cm |
39.5 dBw |
160 cm |
31.5 dBw |
320 cm |
39.0 dBw |
170 cm |
31.0 dBw |
330 cm |
38.5 dBw |
180 cm |
30.5 dBw |
340 cm |
38.0 dBw |
190 cm |
30.0 dBw |
350 cm |
37.5 dBw |
200 cm |
29.5 dBw |
360 cm |
37.0 dBw |
210 cm |
29.0 dBw |
370 cm |
36.5 dBw |
220 cm |
28.5 dBw |
380 cm |
36.0 dBw |
230 cm |
28.0 dBw |
390 cm |
35.5 dBw |
240 cm |
27.5 dBw |
400 cm |
35.0 dBw |
250 cm |
27.0 dBw |
410 cm |
34.5 dBw |
260 cm |
26.5 dBw |
420 cm |