- GPS/GLONASS uncorrected
- Differential corrections via SBAS
- Differential corrections via UHF
- Differential corrections via 3G / 4G
Columbia River Bar Pilots risk their lives every day and night to keep cargo ships moving across the dangerous Columbia River Bar. They work in any weather and help protect the environment by making sure the big ships do not crash on their way in or out of the river.
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Sustainability concerns us all. PTR Holland (c), as a leading manufacturer of pilot and embarking ladders, is committed not only to produce the safest ladders, but also to protect our planet earth through sustainable production. PTR does so by sourcing the timber for the production of the ladders exclusively in accordance with the Federal Stewardship Council (FSC). Look for the FSC logo when buying your ladder. Take responsibility and protect our valuable rainforest! PTR Holland - Often...