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MicronNav USBL Positioning
The MicronNav Ultra Short Baseline Locating system allows you to gain awareness of the relative position of your ROV, as well as to keep a recorded track of where your ROV has been. Understanding your ROV's location and where it has already searched or investigated can be challenging. Without the ability to utilize GPS underwater, ROVs rely on the use of sound technology for navigation and locating. The USBL system allows for more efficient and effective missions for defense applications, archeology, energy, search and rescue, and more.
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Underwater GPS Positioning
500 m horizontal range
150 m vertical range
20 cm accuracy
Ultra Short Base Line (USBL) Positioning System for tracking ROVs
In open water applications where you want to know exactly where you are and where you are going, use this positioning system to track your ROV.
Using a dunking transducer at the surface and a transponder mounted to the top of the ROV, the two communicate using acoustics. The relative position of the ROV to the dunking transducer is calculated and then through Bridge software is displayed on a Google Map on your controller.
Allowing you to visualize your ROV position during the dive and plot points of interest.
Using a dunking transducer at the surface and a transponder mounted to the top of the ROV, the two communicate using acoustics. The relative position of the ROV to the dunking transducer is calculated and then through Bridge software is displayed on a Google Map on your controller.
Allowing you to visualize your ROV position during the dive and plot points of interest.
Track and Log Data
Ocean Science ROV operators historically use USBL to track where they saw certain features and log data over the span of their dive.
Inspection companies inspecting critical infrastructure use the USBL to log where they find defects and anomalies during an inspection.
MicroNav Sonar Specs
| Positioning technology | Ultra Short Baseline (USBL) |
|---|---|
| Frequency band | 20 – 28kHz |
| Tracking range | 500 m horizontal, 150 m vertical |
| Range accuracy | ±0.2m |
| Bearing accuracy | ±3° (determined by USBL integrated heading sensor) |
| Position update rate | 0.5 – 10s |
| Targets tracked | 1 responder, 15 transponders |
| Data display | Polar and Cartesian display with optional bitmap chart, marker overlay and tracking features |
| Data recording | Data recorded in Seanet Pro format |
| Surface navigation | Most GPS, Heading or Altitude sensors supported by Seanet Pro |
MicronNav100 Surface Hub
| AC power supply | 90V to 264V, 47Hz to 63Hz |
|---|---|
| DC power supply | 12V to 36V, 2.1mm pin (positive core) |
| Power consumption | 4.8W from either source with no additional load |
| DC power output | 50W or 2A maximum current draw, +33V with AC input, 1.5V less than supply on DC input, defaults to highest voltage if both AC and DC are connected |
| Additional ports | USB 2.0, RS232, RS422, RS485, ARCNET LAN |
| Dimensions | 232 x 185 x 52mm (width, depth, height) |
| Weight | 1.3kg |
| Materials | Painted aluminium with matte anthracite textured finish |
| IP rating | IP21 (no protection against water ingress) |
| Temperature rating | 5 to 35°C operating, -20 to 50°C storage |
Micron Modem
| Beamwidth | Omni-directional |
|---|---|
| Power consumption | 12 – 48V DC (3.5W transmitting, 0.28W standby) |
| Transmitter source level | 169dB re 1μPa at 1m |
| Communication protocols | RS232 or RS485 (in Responder mode) |
| Depth rating | 750 m |
| Diameter | 56 mm |
| Height | 76 mm |
| Weight in air | 225 g |
| Weight in water | 70g |
USBL Transducer
| Operating beamwidth | 180° |
|---|---|
| Maximum diameter | 110 mm |
| Body tube diameter | 75 mm |
| Height | 270 mm |
| Weight in air | 2 kg |
| Weight in water | 0.8 kg |
| Depth rating | 30 m |
| Deck cable length | 10m standard 20, 30, 50m available |
Ultra Short Base Line (USBL) Positioning System for tracking ROVs
In open water applications where you want to know exactly where you are and where you are going, use this positioning system to track your ROV.
Using a dunking transducer at the surface and a transponder mounted to the top of the ROV, the two communicate using acoustics. The relative position of the ROV to the dunking transducer is calculated and then through Bridge software is displayed on a Google Map on your controller.
Allowing you to visualize your ROV position during the dive and plot points of interest.
Using a dunking transducer at the surface and a transponder mounted to the top of the ROV, the two communicate using acoustics. The relative position of the ROV to the dunking transducer is calculated and then through Bridge software is displayed on a Google Map on your controller.
Allowing you to visualize your ROV position during the dive and plot points of interest.
Track and Log Data
Ocean Science ROV operators historically use USBL to track where they saw certain features and log data over the span of their dive.
Inspection companies inspecting critical infrastructure use the USBL to log where they find defects and anomalies during an inspection.
MicroNav Sonar Specs
| Positioning technology | Ultra Short Baseline (USBL) |
|---|---|
| Frequency band | 20 – 28kHz |
| Tracking range | 500 m horizontal, 150 m vertical |
| Range accuracy | ±0.2m |
| Bearing accuracy | ±3° (determined by USBL integrated heading sensor) |
| Position update rate | 0.5 – 10s |
| Targets tracked | 1 responder, 15 transponders |
| Data display | Polar and Cartesian display with optional bitmap chart, marker overlay and tracking features |
| Data recording | Data recorded in Seanet Pro format |
| Surface navigation | Most GPS, Heading or Altitude sensors supported by Seanet Pro |
MicronNav100 Surface Hub
| AC power supply | 90V to 264V, 47Hz to 63Hz |
|---|---|
| DC power supply | 12V to 36V, 2.1mm pin (positive core) |
| Power consumption | 4.8W from either source with no additional load |
| DC power output | 50W or 2A maximum current draw, +33V with AC input, 1.5V less than supply on DC input, defaults to highest voltage if both AC and DC are connected |
| Additional ports | USB 2.0, RS232, RS422, RS485, ARCNET LAN |
| Dimensions | 232 x 185 x 52mm (width, depth, height) |
| Weight | 1.3kg |
| Materials | Painted aluminium with matte anthracite textured finish |
| IP rating | IP21 (no protection against water ingress) |
| Temperature rating | 5 to 35°C operating, -20 to 50°C storage |
Micron Modem
| Beamwidth | Omni-directional |
|---|---|
| Power consumption | 12 – 48V DC (3.5W transmitting, 0.28W standby) |
| Transmitter source level | 169dB re 1μPa at 1m |
| Communication protocols | RS232 or RS485 (in Responder mode) |
| Depth rating | 750 m |
| Diameter | 56 mm |
| Height | 76 mm |
| Weight in air | 225 g |
| Weight in water | 70g |
USBL Transducer
| Operating beamwidth | 180° |
|---|---|
| Maximum diameter | 110 mm |
| Body tube diameter | 75 mm |
| Height | 270 mm |
| Weight in air | 2 kg |
| Weight in water | 0.8 kg |
| Depth rating | 30 m |
| Deck cable length | 10m standard 20, 30, 50m available |
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