Narrow/Wide Band...it's all relative There are two parts to this... frequencies and modulation.
Frequencies :
The new commercial frequencies and those assigned to Mars/Caps operations are on 2.5 kHz steps. i.e., 147.2125, 154 |
FM Narrow As the airways become increasingly busy, requirements for narrow band operations have been implemented for many activities. These requirements involve output deviation and frequency step of the radio |
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