GPS/GNSS
critical
3 models total
3 manufacturers · 3 models
Furuno Electric (Japan)
1
GP-170 / SC-70 Series
GPS/GLONASS/Galileo/BDS
· Satellite Navigation
Voltage: 12-24V DC
Type
GNSS Navigator / Satellite Compass
Size Range
- GP-170
- SC-70
Drive Type
Electric
Construction
GNSS receiver, multi-constellation, antenna unit
Common Failures & Inspection Points
- Antenna cable corrosion from deck exposure
- Receiver firmware issues requiring updates
- HDOP/PDOP degradation from antenna obstruction
- Heading output drift on satellite compass
Service: Antenna cable inspection annually. Firmware update per manufacturer advisory. Position accuracy verification weekly.
Spare Parts: Furuno global. Lead time: 1-2 weeks.
JRC (Japan)
1
JLR-21 GPS Navigator
GPS/GLONASS
· Satellite Navigation
Voltage: 12-24V DC
Type
GNSS Navigator
Size Range
JLR-21
Drive Type
Electric
Construction
GNSS receiver, dual constellation
Common Failures & Inspection Points
- Antenna cable corrosion
- Receiver firmware issues
- Display failure
Service: Standard GNSS maintenance.
Spare Parts: JRC global. Lead time: 1-3 weeks.
Kongsberg
1
DGNSS / DGPS Receiver
DGPS/DGNSS
· Satellite Navigation (Differential)
Voltage: 12-24V DC
Type
Differential GNSS Receiver
Size Range
- Trimble SPS Series
- Kongsberg DPS
Drive Type
Electric
Construction
DGPS receiver with differential correction
Common Failures & Inspection Points
- Differential correction signal loss
- Antenna cable issues
- Receiver hardware failure
Service: Differential correction subscription active. Antenna inspection annually.
Spare Parts: Trimble/Kongsberg. Lead time: 2-4 weeks.