Sharpitor

Zither Tuner

Munich/Vienna tuning systems NB requires headphones with a good frequency range玩Zither Tuner APP無須任何費用Zither Tuner玩免錢AppZither Tuner APP LOGOZither Tu …

Sextant Stars

Horizon view of the navigational stars and their constellations, with interactive rote learning modes.* 'Recognize' mode randomly highlights s …

Night Sky 58

Familiarizaton with the 58 stars listed in the nautical almanac is a great way to begin finding your way around the celestial sphere. Here the '58 …

Sailing Right of Way

A 3D sim to help you master the right of way essentials:Rule A. Approach on different tacks - Port tack shall give wayRule B. Approach on the same tac …

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