COMMISSION’S RULES
OPERATING PROCEDURES
OPERATING PROCEDURES
On which band is phone operation prohibited?
What is 30 meters
A temporary disturbance in Earth’s geomagnetic field
What is a geomagnetic storm?
Opposition to the flow of alternating current caused by capacitance or inductance
What is reactance?
Phone emissions uses the narrowest bandwidth?
What is Single sideband
According to the National Electrical Code, what is the minimum wire size that may be used safely for wiring with a 20-ampere circuit breaker?
What is AWG number 12
What should you do if a CW station sends “QRS?”
What is Send slower
Test equipment contains horizontal and vertical channel amplifiers?
What is an oscilloscope
How is an LED biased when emitting light?
What is Forward biased
What is the nominal characteristic impedance of “window line” transmission line?
450 ohms
What is the approximate length for a 1/2 wave dipole antenna cut for 14.250 MHz?
What is 33 feet
What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?
What is 18 years
A measure of solar radiation with a wavelength of 10.7 centimeters
What is the solar flux index?
The ratio of voltage to current
What is impedance?
Modulation in which digital data is transmitted using 0-, 90-, 180- and 270-degrees phase shift to represent pairs of bits
What is QPSK modulation?
Where should the station’s lightning protection ground system be located?
what is Outside the building
Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
What is the Volunteer Monitor Program?
Why must all metal enclosures of station equipment be grounded?
It ensures that hazardous voltages cannot appear on the chassis
What is the approximate forward threshold voltage of a silicon junction diode?
What is 0.7 volts
In what units is RF feed line loss usually expressed?
Decibels per 100 feet
What is the common name of a dipole with a single central support?
What is an Inverted V
The frequency allocations of which ITU region apply to radio amateurs operating in North and South America?
What is Region 2
Which ionospheric region is closest to the surface of Earth?
What is The D region
What is the output PEP of 500 volts peak-to-peak across a 50-ohm load?
what is 625 watts
The difference between received power level and minimum required signal level at the input to the receiver
What is link margin
Where should lightning arrestors be located?
Where the feed lines enter the building
Low-power transmit operation
What is QRP operation?
What does an S meter measure?
Received signal strength
A small threaded connector suitable for signals up to several GHz
What is an SMA connector?
Which type of code is used for sending characters in a PSK31 signal?
What is Varicode
What is the primary function of antenna traps?
To enable multiband operation
What is the maximum PEP output allowed for spread spectrum transmissions?
What is 10 watts
Propagation allows signals to be heard in the transmitting station’s skip zone?
What is Scatter
total resistance of a 100- and a 200-ohm resistor in parallel?
67 ohms
Part of a packet radio frame contains the routing and handling information?
What is the Header
Required for lightning protection ground rods?
They must be bonded together with all other grounds
What is another name for a Winlink Remote Message Server?
What is a Gateway
How much change in signal strength is typically represented by one S unit?
What is 6 dB
What is meant by the term MMIC?
Monolithic Microwave Integrated Circuit
How are the two separate frequencies of a Frequency Shift Keyed (FSK) signal identified?
Mark and space
What is one way that RF energy can affect human body tissue?
It heats body tissue