Technician 2026-2030T2A01

What is a common repeater frequency offset in the 2-meter band?

B
Answer
Operating procedures and emergency communications
Type
A
Plus or minus 5 MHz
B
Plus or minus 600 kHz
C
Plus or minus 500 kHz
D
Plus or minus 1 MHz

Answer Notes

Repeaters use two different frequencies simultaneously to prevent their own transmissions from overwhelming their receivers: one frequency to listen (receive) and one to talk (transmit). The mathematical difference between these two frequencies is known as the repeater offset. On the 2-meter VHF band (144-148 MHz), the universally accepted standard offset is plus or minus 600 kHz. It is crucial to match the correct offset to the correct band when programming a radio. The option for plus or minus 5 MHz is a very common distractor because 5 MHz is the standard repeater offset for the 70-centimeter UHF band, not the 2-meter band.
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What is the national calling frequency for FM simplex operations in the 2-meter band?