Description
Silva Ranger 2.0 sets the standard in professional compass gear with the top-of-the-line Ranger Type compass.
Features:
- Gear-driven adjustment for magnetic declination.
- Clear clinometer for measuring angles of slope.
- Full-size sighting mirror for 1-degree pinpoint accuracy.
- Quadrant (0 degrees to 90 degrees to 0 degrees) reading.
- No-slip protractor base features inch, millimeter, 1:25,000 and 1:50,000 romer scales.
- Includes a sliding lock lanyard with a declination tool.
- Meets or exceeds U.S.F.S. specifications.
Magnetic North information:
“The North Magnetic Pole moves over time due to magnetic changes in Earth’s core. In 2001, it was determined by the Geological Survey of Canada to lie west of Ellesmere Island in northern Canada at81.3°N 110.8°W. … As of 2019, the pole is projected to have moved beyond the Canadian Arctic to86.448°N 175.346°E.”
For current magnetic north information go to: https://maps.ngdc.noaa.gov/viewers/historical_declination/
