Davis Artificial Horizon [144] Marine Navigation & Instruments 5W / 1W transmit power

5W / 1W transmit power

International & Canadian marine channels

Voice Scrambler with optional UT-112A

And if you're concerned about the force exerted on a mast stay or perhaps a vessel tow attachment point

Davis Artificial Horizon [144] Marine Navigation & Instruments 5W / 1W transmit powerArtificial 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