Compact Steering Repeater with 164mm dual-scale compass dial of one tenth of a degree. Includes rotary control.


The MD68HRB is a dual-scale NMEA-based Steering Repeater with a clear and easy to read analogue dual-scale dial display. The display has an outer dial of 164mm diameter, graduated in 1 degree increments, and an inner dial of 103 mm with a resolution of one tenth of a degree.

The steering repeater is housed in a robust, compact aluminium enclosure fitted with a rotary encoder for controlling the level of background illumination. Finished in Jet Black (RAL9005) Fine-texture Powder Coat to complement other marine navigation equipment.

The MD68HRB offers a steering repeater solution for digital heading data (ship’s heading) to be conveniently displayed at any convenient location on a vessel and may be either bulkhead or panel mounted.

The MD68HRB from Marine Data: Flexible in application, easy to install and simple to maintain.


  • Precision Dual Scale 36:1 Marine Compass Card Display
  • Designed for Vessel Steering
  • Automatic selection and prioritisation of NMEA heading data type
  • Prioritisation of heading type: HDT (true), HDG (magnetic + variation), HDM (magnetic)
  • Automatic indication of loss of valid heading data
  • Automatic detection of a previously lost heading data type without requiring a reset
  • Rotary dimming control with remote connection


  • Displaying True or Magnetic Heading Data transmitted from marine equipment compatible with NMEA 0183 (IEC 61162-1) (Gyro compass, TMC, EMC, GNSS Compass etc.)