GMDSS MF/HF Radio
medium
7 / 7 models (Inspector)
SOLAS-mandatory for vessels in Sea Areas A3 and A4. MF/HF with DSC, NBDP (telex) for distress and routine communication.
4 manufacturers · 7 models
Sailor (Cobham)
3
6300 MF/HF
150 W PEP
· Navigation Data / Sensor
Power output
150 W PEP
Frequency range
1.6-27.5 MHz
Gmdss approved
ja
Common Failures & Inspection Points
- Antenna tuner failure
- DSC watchkeeping receiver drift
- Power amplifier overheating
Service: Standard GMDSS MF/HF. Annual antenna tuner and SWR check critical.
Spare Parts: Sailor (Cobham): Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
6320 MF/HF
250 W PEP
· Navigation Data / Sensor
Power output
250 W PEP
Frequency range
1.6-27.5 MHz
Gmdss approved
ja
Common Failures & Inspection Points
- PA transistor failure at full power
- Antenna coupler arcing
- Email system configuration
Service: Higher power for better long-range. Email via HF possible.
Spare Parts: Sailor (Cobham): Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
6310 MF/HF
150 W PEP
· Navigation Data / Sensor
Power output
150 W PEP
Frequency range
1.6-27.5 MHz
Gmdss approved
ja
Nbdp integrated
ja
Common Failures & Inspection Points
- NBDP protocol issues
- Antenna tuner relay failure
- DSC controller lockup
Service: Sailor MF/HF with built-in NBDP. Compact console.
Spare Parts: Sailor (Cobham): Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
JRC
2
JSS-2150
150 W PEP
· Navigation Data / Sensor
Power output
150 W PEP
Frequency range
1.6-27.5 MHz
Gmdss approved
ja
Common Failures & Inspection Points
- DSC encoder failure
- Frequency synthesizer drift
- Remote control unit issues
Service: Part of JRC GMDSS console. Integrates with VHF and Inmarsat.
Spare Parts: JRC: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
JSS-2250
250 W PEP
· Navigation Data / Sensor
Power output
250 W PEP
Frequency range
1.6-27.5 MHz
Gmdss approved
ja
Common Failures & Inspection Points
- PA transistor failure
- Antenna tuner matching
- HF email configuration
Service: Higher power JRC MF/HF. HF email for data communication.
Spare Parts: JRC: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Icom
1
IC-M802
150 W PEP
· Navigation Data / Sensor
Power output
150 W PEP
Frequency range
0.5-29.9 MHz
Common Failures & Inspection Points
- Limited GMDSS approval on some flags
- Antenna tuner compatibility
- DSC module issues
Service: Popular MF/HF. Check flag state GMDSS approval.
Spare Parts: Icom: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Mackay Marine
1
MF/HF Radio
150/250 W PEP
· Navigation Data / Sensor
Power output
150/250 W PEP
Gmdss approved
ja
Common Failures & Inspection Points
- Refurbished quality variation
- Warranty limitations
- Parts sourcing
Service: Mackay provides MF/HF service and refurbishment worldwide.
Spare Parts: Mackay Marine: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.