The Silva Explorer base plate compass was designed for those who want to get off the beaten path. Contoured base plate comfortably fits the hand. The extended base plate has an inch ruler and 1/10 mile scales for USGS 1:24,000 and 1:62,500 maps, ensuring accurate mapping and plotting.
Ideal for advanced sea kayak navigation instruction, training and field use. Use this compass as back-up to, and to check accuracy of, your deck compass or GPS. Great for hiking too!
Related the Article: Kayak Navigation
See the Silva Compass Navigation Video
Features; Luminous markings enable nighttime navigation for up to 4 hours once activated by daylight/flashlight., 2° dial graduations, Built-in magnifier for map details, Declination scale, 1/10 mile scales for USGS 1:24,000 and 1:62,500 maps, Inch ruler, Lanyard (not necessarily as shown). 2 x 4 inches, 1.0 oz. pack weight.