Which mode of operations on the DAGR uses the most power?

Continuous mode on the DAGR (Defense Advanced GPS Receiver) utilizes the most power because it keeps the receiver actively processing and maintaining a constant update of its position and related data without interruption. In this mode, the device is continuously acquiring satellite signals, which demands significant energy resources to ensure high accuracy and real-time tracking capabilities.

This contrasts sharply with the other modes. In standby mode, the device is powered down but can quickly be activated, which greatly reduces power consumption. Idle mode means the device is on but not actively processing GPS data, using less power than continuous mode. Power save mode is specifically designed to minimize energy use while preserving essential functions, further demonstrating how continuous mode consumes the highest power levels.

Therefore, continuous mode's need for constant satellite communication and real-time data processing is the driving factor for its higher energy requirements.