At what height above ground is an NVIS antenna typically installed? [G9D03] A. As close to 1/2 wavelength as possible B. As close to one wavelength as possible C. Height…

Which of the following is an effect of overmodulation? [G8A08] A. Insufficient audio B. Insufficient bandwidth C. Frequency drift D. Excessive bandwidth The answer is D. Excessive bandwidth.  Now, for…

Which of the following frequencies is within the General Class portion of the 80-meter band? [G1A08, 97.301(d)] A. 1855 kHz B. 2560 kHz C. 3560 kHz D. 3650 kHz Well,…

Why is high input impedance desirable for a voltmeter? [G4B05] A. It improves the frequency response B. It decreases battery consumption in the meter C. It improves the resolution of…

What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52MHz FM phone transmitter? [G8B07] A. 101.75 Hz B. 416.7 Hz C. 5…

What does it mean when a CW operator sends “KN” at the end of a transmission? A. Listening for novice stations B. Operating full break-in C. Listening only for a…

What part of a data packet contains the routing and handling information? A. Directory B. Preamble C. Header D. Footer The answer is C. Header.  When dealing with data “packets”,…