The T1B section covers Authorized frequencies; frequency allocations, ITU regions, emission type, restricted sub-bands, spectrum sharing, transmissions near band edges.
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What is the ITU?
A United Nations agency for information and communication technology issues.


North American amateur stations are located in which ITU region?
Region 2


Which frequency is within the 6 meter band?
52.525 MHz


Which amateur band are you using when your station is transmitting on 146.52 MHz?
2 meter band


Which 70 cm frequency is authorized to a Technician Class license holder operating in ITU Region 2?
443.350 MHz


Which 23 cm frequency is authorized to a Technician Class operator license?
1296 MHz


What amateur band are you using if you are transmitting on 223.50 MHz?
1.25 meter band


What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis?
Amateurs may not cause harmful interference to primary users


Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
To allow for calibration error in the transmitter frequency display
So that modulation sidebands do not extend beyond the band edge
To allow for transmitter frequency drift
All of these choices are correct


Which of the bands available to Technician Class operators have mode-restricted subbands?
The 6 meter, 2 meter, and 1.25 meter bands.


What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?
CW only