Davis Artificial Horizon [144] Entertainment | Televisions 199 Foot (61m) Depth Capability

199 Foot (61m) Depth Capability

Maximum Hull Thickness Inches: 1-1/16

BlueChart® g3 Vision® HD - VUS513L - Jacksonville - Bahamas - microSD™/SD™

Requires No Rubbing or Polishing

Calibration at the displays

Davis Artificial Horizon [144] Entertainment | Televisions 199 Foot (61m) Depth CapabilityArtificial Horizon Answers the need of every sextant user who cannot depend on a natural sea horizon. Use for backyard practice, finding exact positon when inland, and making exact sextant shot on foggy mornings. To use, fill with water and read the angle of the reflected sun with your sextant. Half your sextant reading is the sun's angle above the true horizon. Windproof and corrosion resistant, the reflecting surface is completely enclosed. Comes