This item is an Observator Instruments OMC-139 Marine Wind Display.
- Function: It is designed for indication of relative wind speed and direction on ships.
- Technology: Uses a 3-digit digital LED indicator for speed and a double ring of 36 LEDs to indicate average direction and wind variation.
- Features: Displays wind information in multiple units including m/s, km/h, kts, mph, and bft (Beaufort).
- Output: Provides a NMEA0183 output for integration with other systems.











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