The NAVIKNOT multisensory speed log series houses a range of models that each perform differently, depending on whether they have an Electromagnetic Sensor, Doppler Transducer or Satellite Sensor.

See below for an overview of the NAVIKNOT series performances:

NAVIKNOT 350 E

Electromagnetic Speed Log System, Single-Axis Water Speed

• Master Control and display unit
• Digital and analogue speed repeaters
• Electronics Unit
• Preamplifier
• Compatible sensors: NF Type 2829, FNF III Type 4874, FNFII Type 4120, FN I Type 4040 or FNF I type 4726
• Optional Remote Control and Display Unit
• Optional Digital and analogue speed repeaters

NAVIKNOT 450 D

Doppler Speed Log System, Single-Axis Water Speed

• Master control and display unit
• Electronics Unit
• Preamplifier
• Compatible transducers: Doppler Transducer in gate Valve  
• Optional Remote Control and Display Unit
• Optional Digital and analogue speed repeaters

NAVIKNOT 600 S

Satellite Speed Log System, Dual-Axis Ground Speed, Docking Mode

• Master control and display unit
• Electronics unit
• Dual satellite antenna
• External Heading and Rate of Turn for enhanced docking accuracy
• Optional Remote Control and Display Unit
• Optional Digital and analogue speed repeaters

NAVIKNOT 600 SE

Satellite and Electromagnetic Speed Log System, Dual-Axis Ground, Speed and Single-Axis Water Speed, Docking Mode

• Master control and display unit
• Dual satellite antenna
• Electronics unit
• Preamplifier
• Compatible sensors: NF Type 2829, FNF III Type 4874, FNF II Type 4120, FNF I Type 4040 or FNF I Type 4826
• Optional Remote Control and Display Unit
• Optional Digital and analogue speed repeaters
• External Heading and Rate of Turn for enhanced docking accuracy

NAVIKNOT 600 SD

Satellite and Doppler Speed Log System, Dual-Axis Ground Speed and Single-Axis Water Speed, Docking Mode

• Master control and display unit
• Dual satellite antenna
• Electronics unit
• Preamplifier
• Compatible transducers: Doppler Transducer in Gate Valve
• Optional Remote Control and Display Unit  
• Optional Digital and analogue speed repeaters

• External Heading and Rate of Turn for enhanced docking accuracy

For more information about Northrop Grumman Sperry Marine’s NAVIKNOT Multisensor Speed Log, please contact us.