boat plans,boat,plan,plans,boat building,boatbuilding,kits,kit,plywood,design,designs,boating,wooden boats,how to build boats,supplies,patterns,
sailing gear, Masthead, Hatches , Portlights, Gulf Stream, Signal Flags, Heavy Weather, Storm, seafarers, Offshore, Trimming
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Navigation programs, seminars, tutorials, etc.
U.S.Naval Observatory
Online Service: Sun and Moon rise and set times, Moon phases, eclipses, seasons, positions of solar system objects, and other data
Publications: astronomical and navigational almanacs, special publications, research reports
background information on common astronomical phenomena, calendars and time, and related topics
Software: computer almanac for PCs and Macs, and more

aa.usno.navy.mil
amateur,radio,homebrew,electronics,construction,EI9GQ,transmitter, receiver,antenna,ssb,modulator,demodulator,mixer,DBM,fet,transistor, wetter, wetterkarten, wetterdekoder, Windsteueranlage, Aries, WindpilotVolkers Crashkurs
Online crash course for celestial navigation
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Online tutorial, books, cardboard Sextant Kit
MFJ,LDG,Radiation,Propagation,Tune,Tuning,Operate,Operating,Morse,Code,VSWR,Transmit,Receive,sonar, echo sounder, echosounder, fishfinder, fish finding, Goiot, Anti slip, Anti Corrosion, GUINDEAUXAstro - Navigation
GPS, navigation, celestial navigation
Akkuwächter,Batteriewächter, Tide, Barometer, Kompass, Navigation, Karten, Batterie, Ladegeräht, Windgenerator, SolarzelleWikipedia Astronomische Navigation
Celestial navigation is a term that describes all the procedures for determining the position through the observation of heavenly bodies (sun, moon, planets or selected fixed stars).
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