Davis Quick Reference Coastwise Piloting Card [126] Legacy fishing Fundamental frequency: 420 +/- 20Hz

Fundamental frequency: 420 +/- 20Hz

Box Dimensions: 3"H x 7"W x 10"L WT: 0

short- and long-press programming functionality

They even work for keeping fresh bait moist and out of the sun

Davis Quick Reference Coastwise Piloting Card [126] Legacy fishing Fundamental frequency: 420 +/- 20HzQuick Reference Coastwise Piloting Card All the piloting information you need at your fingertips: dead reckoning basics, true and magnetic compass relationships, position finding, estimating distance off, and current and leeway corrections. Helpful hints on chart reading, preparations, checklists, fog navigation, and depth soundings without a fathometer. Includes time, distance & speed calculator, relative bearing gauge for length off calculations,