Nautical Almanac

The Nautical Almanac 2021

The Nautical Almanac Table of Contents Part Page Acknowledgement, Credits and Disclaimer 3 Calendar, yearly 4 Day of Week & Day Number of Year 5 Links Time signals Bowditch Terrestrial Almanac Pub. No. 249 Pub. No. 229 Sight Reduction Forms and Methods 6 Formulas 7-9

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Celestial Navigation Practical Theory and Application of ...

data contained in the Nautical Almanac is detailed such that we can use the latitude and longitude of our DR position to calculate what the altitude of the sighted celestial body would be if measured from that latitude and longitude at the time we took our sighting! Once the altitude calculation (Hc) is

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The NMEA 0183 Protocol - tronico.fi

2. Electrical Interface NMEA 0183 devices are designated as either talkers or listeners (with some devices being both), employing an asynchronous serial interface with the following parameters: Baud rate: 4800