Mark 15 Sextant Navigation Tool - SKU 26 Leaf-Soil-Moisture-Temp-Station-Compatible The sextant uses two mirrors

The sextant uses two mirrors to measure the distance between objects

Comes complete with mounting hardware

Replaces the PCBA board in any Vantage Connect to convert it to an EnviroMonitor LTE Gateway

or Diver-SDI

which is the wavelength most responsible for damage to human skin

Mark 15 Sextant Navigation Tool - SKU 26 Leaf-Soil-Moisture-Temp-Station-Compatible The sextant uses two mirrorsA sextant is an excellent tool to have on board any size craft as a backup in case there is a failure of the navigational systems. Used to measure the angular distance between two visible objects, the most common sextant navigation points are an astronomical object and the horizon. Sextants have many uses, ranging from measuring the distance of a landmark to determining Greenwich Mean Time. The Davis Instruments Mark 15 sextant navigation tool