(G1B01) Maximum Antenna Structure Height
G1B01 from the General License Course Section 1.3, DX and Details: What is the maximum height above ground to which an antenna structure may be erected without requiring notification to the ... Read...
View Article(T1E07) Station Control Responsibility
T1E07 from the Technician License Course Section 2.2, Controlling Your Station: When the control operator is not the station licensee, who is responsible for the proper operation of the station? A. All...
View Article(G9C02) Yagi Antenna Driven Element
Question of the Week (General) G9C02 from the General License Course Section 5.2, Directional Antennas: What is the approximate length of the driven element of a Yagi antenna? A. ¼ wavelength B. ½...
View Article(T4B09) SSB Receive Filter
T4B09 from the Technician License Course Section 12.0, Avoiding Interference: Which of the following is an appropriate receive filter bandwidth to select in order to minimize noise and interference for...
View Article(G2B10) RACES Restrictions
G2B10 from the General License Course Section 1.2, Special Services: When may the FCC restrict normal frequency operations of amateur stations participating in RACES? A. When they declare a temporary...
View Article(T6A07) Coil of Wire Component
T6A07 from the Technician License Course Section 9.1, Electronic Basics: What electrical component is usually composed of a coil of wire? A. Switch B. Capacitor C. Diode D. Inductor In this question...
View Article(G1A09) Band Plan Frequency Limits
G1A09 from the General License Course Section 1.1, Bands & Privileges: Which of the following frequencies is within the General Class portion of the 80 meter band? A. 1855 kHz B. 2560 kHz C. ......
View Article(T7A10) Boosting HT Power
T7A10 from the Technician License Course Section 1.1, Transceiver Basics: What device increases the low-power output from a handheld transceiver? A. A voltage divider B. An RF power amplifier C. An...
View Article(G3A10) Variable Propagation Conditions
G3A10 from the General License Course Section 3.1, Solar Activity: What causes HF propagation conditions to vary periodically in a 28-day cycle? A. Long term oscillations in the upper atmosphere B....
View Article(T2C03) Standard Phonetic Alphabet
T2C03 from the Technician License Course Section 2.3, Call Signs: What should be done to insure that voice message traffic containing proper names and unusual words are copied correctly by the ... Read...
View ArticleG5A06 Capacitive Reactance
G5A06 from the General License Course Section 6.4, Impedance and Reactance: How does a capacitor react to AC? A. As the frequency of the applied AC increases, the reactance decreases B. As the ......
View ArticleT4B05 Ignition Interference
T4B05 from the Technician License Course Section 12.0, Avoiding Interference: Which of the following would reduce ignition interference to a receiver? A. Change frequency slightly B. Decrease the...
View Article(G9C19) dBi vs. dBd
G9C19 from the new 2015-2019 General Class Question Pool How does antenna gain stated in dBi compare to gain stated in dBd for the same antenna? A. dBi gain figures are 2.15 ... Read More The post...
View Article(T0B05) Gin Poles
T0B05 from the Technician License Course Section 13.2, Antenna & Tower Safety: What is the purpose of a gin pole? A. To temporarily replace guy wires B. To be used in place of ... Read More The...
View Article(T7A09) VHF Multi-mode Transceiver
T7A09 from the Technician License Course Section 5.0, Signal Propagation: Which of the following devices is most useful for VHF weak-signal communication? A. A quarter-wave vertical antenna B. A...
View Article(G5C16) Transformer Windings Diameters
This is a new question pool item from the 2015-2019 General Class pool. ============================================================= G5C16: Why is the conductor of the primary winding of many voltage...
View Article(T7A04) Receiver Signal Discrimination
T7A04 from the Technician License Course Section 12.0, Avoiding Interference: Which term describes the ability of a receiver to discriminate between multiple signals? A. Discrimination ratio B....
View Article(G2A06) Single Sideband Advantages
G2A06 from the General License Course book, Section 4.1 AM & SSB: Q. Which of the following is an advantage when using single sideband as compared to other analog voice modes on ... Read More The...
View Article(T3A08) Skip Signal Fade
T3A08 from the Technician License Course Section 5.0, Propagation: Which of the following is a likely cause of irregular fading of signals received by ionospheric reflection? A. Frequency shift due to...
View Article(G8C08) PSK31 Varicode
G8C08: Which of the following statements is true about PSK31? A. Upper case letters make the signal stronger B. Upper case letters use longer Varicode signals and thus slow down ... Read More The post...
View Article
