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E9A12:How much gain does an antenna have compared to a half-wavelength dipole if it has 6 dB gain over an isotropic radiator?

E9A12E9A

How much gain does an antenna have compared to a half-wavelength dipole if it has 6 dB gain over an isotropic radiator?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E9A12 is 3.85 dB.

The required value is 3.85 dB. Keep the units with the number so a nearby distractor cannot pull you away from the result.

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More questions in E9A

E9A01What is an isotropic radiator?E9A02What is the effective radiated power (ERP) of a repeater station with 150 watts transmitter power output, 2 dB feed line loss, 2.2 dB duplexer loss, and 7 dBd antenna gain?E9A03What term describing total radiated power takes into account all gains and losses?E9A04Which of the following factors affect the feed point impedance of an antenna?E9A05What does the term “ground gain” mean?E9A06What is the effective radiated power (ERP) of a repeater station with 200 watts transmitter power output, 4 dB feed line loss, 3.2 dB duplexer loss, 0.8 dB circulator loss, and 10 dBd antenna gain?