UWCS-3U/12.7

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UWCS-3U/12.7 drogue is an electronic navigation aid for maritime vessels in need of precise guidance information. The drogue uses a gyroscope and a directional flux sensor to continuously measure the magnitudes and directions of the prevailing magnetic fields. This data is relayed to the navigation bridge as an aid to improve the accuracy of navigational calculations and position plotting.

The drogue is designed to keep the vessel\'s heading on-course with minimal deviation. It is capable of doing this even under high winds and currents. The system operates based on a two-point reference setting where two locations along the desired route are servo maintained and automatically tracked to approximate the intended course. The system also compensates for the natural drift of the vessel and maintains the navigation track within the specified limits.

At startup, all parameters (latitude, longitude, speed, heading, deviation, etc.) are entered manually. Once the parameters are set, the drogue system initiates the course keeping process. The gyroscope takes continuous measuring of the magnitude and direction of the prevailing magnetic fields, periodically recalibrates itself and compensates accordingly. This enables it to distinguish a change from deliberate course correction from the insignificant wandering and disturbance encountered during normal navigation.

The drogue is typically used in deep sea navigation where precise navigation is essential. Navigation aids such as radar and GPS are often used in conjuction with the UWCS-3U/12.7 drogue to increase the accuracy of navigational positioning. In addition, the system is equipped with self-test and monitoring features for detecting errors and malfunctions.

One of the main advantages of the UWCS-3U/12.7 drogue is that it does not require a navy of personnel to maintain or set up the navigation system, allowing it to be operated and used by a single person on the bridge. This helps to reduce crew fatigue and free up personnel for other duties during long voyages. Additionally, the system is highly reliable and requires a minimum amount of maintenance.

Finally, the UWCS-3U/12.7 drogue is relatively inexpensive and easy to install compared to other navigation aids, making it an ideal choice for vessels that need to operate on a tight budget. The small size and compact design of the drogue also makes it well-suited for installation on vessels of any size.

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