SAAB R6 NAV DGNSS System 7001 000-731

Type-approved DGNSS navigation system with a 7 inch CDU and multi-constellation GNSS.

The Saab R6 NAV DGNSS System is a type-approved, IMO-compliant navigation system built around a DGNSS sensor and a 7 inch Control and Display Unit. It includes bridge alarm management, dual LAN, a 1PPS output and IALA and RTCMv2 correction input, tracking GPS with GLONASS, GALILEO and BeiDou.

Type approved and IMO compliant, with bridge alarm management
Multi-constellation: GLONASS, GALILEO and BeiDou
IALA and RTCMv2 differential correction input

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SPECIFICATIONS

Part number 7001 000-731

Display R6 SUPREME CDU, 7 inch

Sensor R5 NAV DGNSS MkIII with integrated junction box

Constellations GPS with GLONASS, GALILEO, BeiDou

I/O Dual LAN, 1PPS output, 8 outputs and 5 inputs

Description

A vessel's position feeds almost everything else on the bridge - the ECDIS, the radar overlay, the AIS, the autopilot, the VDR - so the GNSS sensor is a piece of infrastructure rather than an instrument someone reads. That is why it is type approved, and why the useful questions about it are how accurate it is, how many independent satellite systems it uses, and how many other devices it can feed.

The R6 NAV answers the second question well. Rather than relying on GPS alone it is multi-constellation, tracking GLONASS, GALILEO and BeiDou as well. In practical terms more constellations means more satellites in view, which matters most where the sky is partly blocked - alongside a quay, under a crane, close to a platform's structure, in a fjord or a narrow channel. It also means a single constellation being degraded or unavailable does not leave the bridge without a position.

Accuracy comes from differential correction, which is what the DGNSS in the name refers to. The system takes IALA and RTCMv2 correction input - IALA being the maritime differential beacon service run by national authorities, which is free to use and available across most coastal regions. Saab also offer the R6 NAV PRO variant, which adds access to Atlas differential L-Band corrections at centimetre level. That is a genuine decision point: IALA differential is adequate for navigation, while centimetre-level L-Band is what survey, positioning and DP work need. Choosing the standard DGNSS variant for a survey requirement is an expensive mistake to discover late.

The interface count is the other thing to check before ordering. This system provides dual LAN, a 1PPS output, eight output ports and five input ports. The 1PPS output is a once-per-second timing pulse, which is how a VDR or a recording system is kept in step with satellite time. Eight outputs sounds generous until the position has to reach the ECDIS, the radar, the AIS, the autopilot, the VDR and the alarm system - so it is worth counting the consumers against the ports at design stage. Bridge Alarm Management is included, which is what integrates the sensor's own faults into the bridge alarm system rather than leaving them on a display nobody watches.

Supplied as a system under part number 7001 000-731, the kit comprises the R5 NAV DGNSS MkIII sensor with integrated junction box, the R6 SUPREME CDU, both gimbal and flush mount kits for the CDU, a 5 m Ethernet cable, a 2 m power cable, the MGL-5 DGNSS antenna excluding cable, and the R6 NAV document set. Both mounting kits being included is convenient: the console arrangement can be decided when the unit is in front of you rather than at order.

Features

Type approved and IMO compliant. Suitable as the vessel's navigation position source, not an auxiliary receiver.
Four constellations. GPS with GLONASS, GALILEO and BeiDou, for position availability where the sky is obstructed.
IALA and RTCMv2 corrections. Differential accuracy from the free maritime beacon service.
PRO variant available. R6 NAV PRO adds Atlas differential L-Band centimetre-level corrections where survey accuracy is needed.
Bridge Alarm Management. Sensor faults raised into the bridge alarm system.
Dual LAN and 1PPS output. Redundant networking, and a timing pulse for VDR and recording synchronisation.
Eight outputs, five inputs. Enough serial capacity to feed ECDIS, radar, AIS, autopilot and VDR - count them against your consumers.
Both mount kits included. Gimbal and flush mounting supplied, so console arrangement is decided late.

Applications

The position source for a bridge, and for anything that needs to know where it is.

Merchant and support vessels. Primary navigation position feeding the integrated bridge.
Offshore support and construction vessels. Where the PRO variant's L-Band accuracy may be required.
Newbuild bridge fit-out. Type-approved sensor feeding ECDIS, radar, AIS and VDR.
Bridge retrofits. Replacing an ageing GPS-only receiver with multi-constellation.
Platforms and fixed installations. Reference position and timing.
Survey and positioning work. With the PRO variant and L-Band corrections.

Support & Documents

PT Vivo Asia Teknologi Indonesia supplies navigation and nav-aid equipment as part of a designed and commissioned installation. Our scope typically covers:

Selection against the applicable IMO, IALA and class requirements for the installation.
Siting studies: mounting height, obstruction, sector definition and range.
Power and backup design, including solar and battery autonomy where required.
Supply, installation, termination and commissioning.
Documentation for class, flag or the relevant harbour authority.
Periodic inspection, lamp and battery replacement and ongoing maintenance.

Ranges, characters, approvals and electrical details vary by variant and are confirmed against the current manufacturer datasheet at quotation stage. Tell us the structure, the required range and the authority you are reporting to, and we will come back with the right variant and a full bill of materials.

Use the enquiry button above for a datasheet, a specification or a project quotation.