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At what height above ground is an NVIS antenna typically installed? A. As close to 1/2 wavelength as...

General: NVIS Height

At what height above ground is an NVIS antenna typically installed? A. As close to 1/2 wavelength as...

Where should an in-line SWR meter be connected to monitor the standing wave ratio of the station antenna system?...

Technician: Monitoring SWR

Where should an in-line SWR meter be connected to monitor the standing wave ratio of the station antenna system?...

Which of the following is an effect of overmodulation? A. Insufficient audio B. Insufficient bandwidth C. Frequency drift...

General: Overmodulation

Which of the following is an effect of overmodulation? A. Insufficient audio B. Insufficient bandwidth C. Frequency drift...

Which of the following frequencies is within the General Class portion of the 80-meter band? A. 1855...

General: 80m Privileges

Which of the following frequencies is within the General Class portion of the 80-meter band? A. 1855...

What causes spin fading when referring to satellite signals? A. Circular polarized noise interference radiated from the sun...

Technician: Spin Fading

What causes spin fading when referring to satellite signals? A. Circular polarized noise interference radiated from the sun...