Which dish size do I need for a particular EIRP?
When you are looking at satellite footprints, you will often find ones which give a power reading in dB rather than a dish size required. The table below shows an approximate dish size required for any particular power level.
This table assumes a normal LNB of 0.6dB
| EIRP in dB | Dish size required in cm |
64 |
22 |
63 |
24 |
62 |
26 |
61 |
28 |
60 |
30 |
59 |
32 |
58 |
34 |
57 |
36 |
56 |
38 |
55 |
40 |
54 |
45 |
53 |
50 |
52 |
50 |
51 |
55 |
50 |
60 |
49 |
60 |
48 |
70 |
47 |
75 |
46 |
80 |
45 |
90 |
44 |
90 |
43 |
100 |
42 |
110 |
41 |
120 |
40 |
120 |
39 |
135 |
38 |
150 |
37 |
180 |
36 |
240 |
35 |
300 |
| 34 | 360 |
| 32 | 450 |
| 30 | 570 |
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