Ergonomically designed base plate comfortably fits hand while 1:24,000 and 1:62,500 direct reading scales ensure accurate mapping and plotting. The Silva Explorer's extended base plate has inch and 1/10-mile direct reading scales that meet U.S.G.S. standards.
2 degree dial graduations on the Silva Explorer 203
Built-in magnifier for map details
Declination scale for quick adjustments of map bearings to field headings