Table 4.
Calculated theoretical directivities.
| Frequency (MHz) | Theoretical D (dB) | D with 20% Margin |
|---|---|---|
| 1227.6 | 13.76 | 11.00 |
| 1400 | 15.48 | 12.38 |
| 1427 | 15.73 | 12.58 |
| 1575.42 | 17.02 | 13.61 |
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