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Manta Queen Liveaboard founded in 2003 powered by Khao Lak Scuba Adventures is an leading and award winning PADI 5 Star Career Development Center in Khao Lak offering 3 days 3 nights, 4 days 4 night and 5 day 5 nights liveaboard trips visiting all world class dive sites at both, the Similan Island and Surin Island National Marine Park. We provide… PADI 5 STAR CAREER DEVELOPMENT CENTER - PADI BEGINNER COURSES COURSES - PADI CONTINUING EDUCATION COURSES - PADI PROFESSIONAL CAREER DEVELOPMENT SIMILAN AND SURIN ISLAND LIVEABOARD DIVING - 3 DAY 3 NIGHT LIVEABOARD - 4 DAY 4 NIGHT LIVEABOARD - 5 DAY 5 NIGHT LIVEABOARD --------------------------------------------------------------------------------------------------- For more information Website : https://www.khaolakscubaadventures.com/ Email : info@khaolakscubaadventures.com Tel : +66 76 485 662 Wechat : MantaQueenFleet Weibo : MantaQueenLiveaboard Facebook : https://www.facebook.com/khaolakscubaadventures/ Twitter : https://twitter.com/divesimilan Instagram : https://www.instagram.com/ksaliveaboard/
This video shows how to use 'Dutchman's Log', an iOS and Android app to measure your boat speed through the water. It can also be used to calibrate your boat's log instrument. https://itunes.apple.com/gb/app/dutchmans-log/id474782184?mt=8 https://play.google.com/store/apps/details?id=uk.co.navsoft.dutchlog A boat's speed may be estimated by timing how long it takes to pass a floating object. Set boat length and desired units in 'Settings'. Two persons are needed: one stands on the bow, and the other aft. The person on the bow throws an object that will float (eg crumpled piece of paper) into the water, ahead and to one side of the bow. As it passes the bow at right angles, they shout 'Now', and the person on the stern starts the digital timer. When the object passes the stern at right angles, the timer is stopped. The App now calculates and displays the boat speed.
⚓ ¿Y si pudieras renovar TODO tu equipo de navegación por mucho menos de lo que piensas? Solo lo hacemos una vez al año. 🕐 El 22 de mayo, durante 30 minutos, llega nuestro Black Friday Náutico. ⛵ Descuentos de hasta el 70 % en: ✔️ Ropa de Rooster® ✔️ Recambios Harken®, Ronstan®, Optiparts® y más. 🚫 Pero ojo: la tienda estará cerrada al público. Solo podrás entrar si tienes la contraseña VIP. 📩 ¿Quieres tu acceso? Haz clic en el enlace y apúntate ya. https://gosailingshop.com/es/pages/black-friday-de-30-minutos?pb=0 Sin contraseña, no hay Black Friday. #GoSailingShop #BlackFridayMayo #OfertasNáuticas #RopaDeVela #RoosterSailing #Harken #Ronstan #Optiparts #VelaLigera #RecambiosBarco #SailingGear #VelaEspaña