Teck Coal, a major Canadian coal producer, has recently upgraded the computer navigation system on its fleet of thirty Caterpillar D-10 and D-11 dozers with Ashtech MB 500 GNSS boards. The new boards are improving dozer efficiency and uptime at the company's four mining operations in the Elkford valley by delivering more comprehensive satellite coverage despite adverse site conditions including high walls, reduced sky visibility and multipath.
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