What technique can improve an observer's positional accuracy?

Improving an observer's positional accuracy is critical in fire support operations, and utilizing a combination of techniques is the most effective approach. The inclusion of all the listed methods underscores the importance of using various tools and strategies to achieve optimal accuracy in positioning.

Utilizing GPS units provides precise location data, which is essential for establishing an observer’s exact position on the battlefield. However, relying solely on GPS may not account for local terrain features that can influence visibility and accuracy.

Understanding local terrain plays a vital role because it allows observers to account for variations in the environment that can affect their position and how they relay information. Factors like elevation changes, obstacles, and cover can significantly impact the effectiveness of targeting.

Cross-referencing multiple data sources enhances accuracy as it allows the observer to validate and confirm their position. This technique employs various systems or methods, such as maps, compasses, and terrain analysis, to ensure that the positional data obtained from GPS and local terrain understanding aligns and supports the overall assessment.

By integrating GPS technology, a comprehensive understanding of the local terrain, and corroborating data from multiple sources, an observer can achieve a higher degree of positional accuracy, thus improving the effectiveness of fire support operations. This holistic approach embraces the complexity of the battlefield environment and lever