Gmdss_e3 : Element 3 - 558/605
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| How does the gain of a parabolic dish antenna change when the operating frequency is doubled? |
| A) Gain does not change. |
| B) Gain is multiplied by 0.707. |
| C) Gain increases 6 dB. |
| D) Gain increases 3 dB. |
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| LasiaIvanova - 2025-03-26 05:10:51 Registered (2) |
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