If elevation difference is 34 meters, should you send a change in elevation?

If elevation difference is 34 meters, should you send a change in elevation?

• A. No
• B. Yes, to the nearest 5 meters
• C. Yes, to the nearest 1 meter
• D. Only if requested

Answer: (A)

Elevation changes are communicated only when the difference is significant enough to affect the trajectory. A 34-meter elevation difference is below the practical threshold for issuing a Change in Elevation, so there’s no need to transmit one. In practice, gunners and observers rely on predefined limits for when a change should be sent; reporting a small difference would simply clutter the message stream without improving accuracy. If a larger adjustment were needed, you’d specify the amount to the appropriate increment (nearest 5 or 1 meter, depending on the protocol) or wait for a direct request from the fire direction. Since none of those conditions apply here, no Change in Elevation is sent.

Elevation changes are communicated only when the difference is significant enough to affect the trajectory. A 34-meter elevation difference is below the practical threshold for issuing a Change in Elevation, so there’s no need to transmit one. In practice, gunners and observers rely on predefined limits for when a change should be sent; reporting a small difference would simply clutter the message stream without improving accuracy. If a larger adjustment were needed, you’d specify the amount to the appropriate increment (nearest 5 or 1 meter, depending on the protocol) or wait for a direct request from the fire direction. Since none of those conditions apply here, no Change in Elevation is sent.