The difference is Differential

Blasthole tagging is a time intensive process, prone to human error and operational delays are common. The ability to automatically detect blasthole location is a solution to this problem. Dyno Nobel’s Differential GPS (DGPS) technology delivers an enhanced spatial positioning accuracy, allowing to eliminate tag/log errors and improve on-bench efficiency.

The key is precision. Standard GPS provides a nominal accuracy of 10-15 metres. This level of precision falls below the accuracy required by drill and blast operations, with spacing and burden values generally below 10 metres.

Dyno Nobel’s Differential GPS (DGPS) technology pairs high precision GPS with the already proven DigiShot® Plus.4G tagger and CE4 Commandertm system, to deliver an enhanced spatial positioning accuracy of less than one metre for each blasthole.

DGPS uses real time graphical deployment data which allows the user to uniquely identify a blasthole. Auto Hole Detection eliminates the potential for human error during the tagging process. Improved loading efficiency is achieved by removing the need to follow a specific path during tagging. Blasthole detection also offers greater control over the blast plan and improves efficiency when troubleshooting.

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