Knowledge Base
Omega navigation system
An obsolete worldwide, continuous, radionavigation system of medium accuracy that provideed hyperbolic lines of position through phase comparisons of VLF (10-14 kHz) continuous wave signals transmitted on a common frequency on a time-shared basis. The fully implemented system was comprised of eight transmitting stations.

one-way communication protocol
A protocol established between a talker and a listener in which only the talker may send messages [compare to Two-Way Communication Protocol]. NMEA 0183 is a One-Way Communication Protocol.

origin waypoint
The starting point of the present navigation leg.

outboard
Toward or beyond the boat’s sides. A detachable engine mounted on a boat’s stern.

overboard
Over the side or out of the boat.

 
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