Which of the following should be considered when selecting an accessory SWR meter?
The frequency and power level at which the measurements will be made✓الإجابة الصحيحة
The distance that the meter will be located from the antenna
The maximum SWR anticipated on the transmission line
The ability of the meter to compensate for a poor transmission line match to the antenna
الشرح
An SWR meter contains a directional coupler and detector designed for a particular frequency range and power range, so a meter used outside those ratings gives wrong readings or can be damaged. Distance from the antenna and the maximum SWR are not selection criteria, and no meter compensates for a mismatch.