Serious ‘XM (aka W2XM) presents. Exam-Prep Jepperdee: General-Class Edition. G8B10 What does the number 31 represent in PSK31?. The approximate transmitted symbol rate. back. G2A04 Which mode is most commonly used for voice on the 17- and 12-meter bands?. Upper sideband. back.
What does the number 31 represent in PSK31?
G2A04 Which mode is most commonly used for voice on the 17- and 12-meter bands?
G2B05 Under normal conditions, what is the minimum fre-quency separation between SSB signals?
When sending CW, what does a “C” mean when added to the RST report?
G2E04 (B) What segment of the 20-meter band is most often used for data transmissions?
For what purpose might a radio amateur operate a beacon station?
G2D05 When’s it permis-sible to communicate with stations in coun-tries outside areas administered by FCC?
G1E01 do not object
What would dis-qualify a 3rd party from participating in stating a message over amateur radio?
The third party’s amateur license had ever been revoked do not object
G1A04 do not object
What amateur band permits only channelized ham operation?
60 meters do not object
G1B06 do not object
When is an ama-
teur station permit-ted to transmit secret codes?
To control a space station do not object
G5B03 do not object How many watts of electrical power are used if 400 VDC is supplied to an 800-ohm load?
200 watts do not object
G5B06 do not object
What is the PEP output from a xmtr if an o’scope measures 200 volts p-p across a 50-ohm dummy?
100 watts do not object
G5A02 do not object
What is reactance?
Opposition to the flow of alternating current caused by capacitance or inductance
G6C02 capacitance or inductance
What is meant by the phrase MMIC?
Monolithic Microwave Integrated Circuit capacitance or inductance
G7B03 capacitance or inductance
What is the output of a 2-input AND gate when both inputs are high?
high capacitance or inductance
G8B11 capacitance or inductance
How does FEC allow the receiver to correct errors in received data packets?
By transmitting redundant information with the data capacitance or inductance
G8A12 capacitance or inductance
What signal(s) would be found at the output of a properly adjusted balanced modulator?
Both upper and lower sidebands capacitance or inductance
G4A03 capacitance or inductance
What is normally meant by operating a transceiver in "split" mode?
G7C01 frequenciesIn an SSB xmtr, in what kind of circuit is the output of the balanced modulator processed before going to the mixer?
Of choices A, B, AB, and C, which amplifier class is the most efficient?
Class C frequencies
G4E02 frequenciesWhat is the purpose of a "corona ball" on a HF mobile antenna?
G9C02 frequenciesWhat is the approximate length of the driven element of a Yagi antenna?
1/2 wavelength frequencies
How does the gain of a 2-element delta-loop compare to the gain of a two-el quad antenna?
Describe a Beverage antenna.
G4A06 frequenciesWhat device is often used to match the xmtr output to other than 50 ohms?
How is a directional antenna pointed when making a “long-path” contact with another station?
G3B05 frequenciesWhat happens to sigs. with frequencies between LUF and MUF when they go into the ionosphere?
What causes HF propagation conditions to vary periodically in a 28-day cycle?
G3B06 frequenciesWhat usually happens to signals with frequencies below the Lowest Usable Frequency?
They are completely absorbed by the ionosphere frequencies
G3C09 frequenciesWhat allows a signal to be detected at a distance too far for ground wave but too near for normal sky-wave propagation?
G0B02 frequenciesWhat is the min. wire size that may be safely used for a circuit that draws up to 20 A continuously?
Why should soldered joints not be used with the wires that connect the base of a tower to a system of ground rods?
G0A09 lightning strikeWhat type of instrument can be used to accurately measure an RF field?
G0B08 lightning strike
What should be done by any person preparing to climb a tower that supports electrical devices?
G0A01 locked out and tagged
How does RF energy affect human body tissue?
isotropic antenna locked out and tagged
The basic unit of inductance directions
local oscillator directions
Solar cycle mixer
A resistor with a precise temperature coeffient that allows it to be used as a temperature sensor
The 3 connections on a quarter-inch stereo phone plug are called “tip,” “ring,” and what?
To game 2 board
Besides induc-tance, what electrical quantity exists in a coil that is self-resonant?
We hope Exam-prep Jepperdee was helpful! coil that is self-resonant?