SeaTrac Datasheet: SeaTrac_Datasheet_EN
SeaTrac User Manual: SeaTrac_Beacon_Manual
SeaTrac Developer Guide: SeaTrac_Developer_Guide
SeaTrac Connector Pinouts: SeaTrac_Connector_Pinouts
SeaTrac Firmware: SeaTrac_Firmware_v2.2
Data Modems
In a modem application, beacons are mounted at either end of the required data links and addressable packets of data are exchanged between the Acoustic Communication Stacks using protocols that ensure integrity of data, buffering and reattempting transmission in event of packet loss.
Integrated beacon sensors (such as depth and supply voltage) may also be remotely queried by the interrogating modem.
Full control over the modem transponder is facilitated through a fully documented serial command set
Position Tracking
When used in a tracking application, up to 14 sub-surface assets to be tracked (including Divers, ROV’s, AUV’s etc) are fitted with either X010 or X110 beacons.
Interrogation is controlled by one X150 mounted on the supervisor vessel/platform, and connected to a PC running the SeaTrac PinPoint display and logging software. All positions are computed by the X150 beacon, so no additional PC hardware is required.
Sensors
Integrated temperature and water-pressure sensors allows the beacon to monitor its depth and auto-compute the enviromental velocity-of-sound. This information can be retreived by the surface beacon and used to enhance position fixes in a tracking application.
System Integration
For OEMs, system integrators and developers the serial interfaces, ASCII based command protocol and SDK documentation allow quick integration with existing systems, providing functionality from the Application level (i.e. tracking or bi-directional data-exchange) down to individual protocols within the Acoustic Communication Stack for more specialist requirements.
To support the development and testing process, the SeaTrac Utilities software suite provides tools do monitor signal quality, perform basic acoustic operations (ping, data exchange, range and position) and remotely upgrade the beacons firmware.
Specifications
| Dimensions… | |
| Length | 74mm (2.9″) |
| Diameter (body) | 54mm (2.12″) |
| Diameter (cage) | 59mm (2.32″) |
| Weight… | |
| In air | 300g (0.66lbs) |
| In fresh water | 170g (0.37lbs) |
| Housing… | |
| Depth Rating | 300m |
| Construction | Black ABS plastic |
| Operating & Storage Temperature | -5°C to +35°C (23°F 95°F) |
| Electrical… | |
| Connector | Teledyne Impulse IE55 (4-way) |
| Communications | RS-232 serial port |
| Supply Voltage | 9V to 28V DC |
| Power Consumption | Less than 10W when transmitting, approx 0.5W when idle |
| Integrated Sensors | Pressure, Temperature, Supply Voltage Monitor |
| Indicators | Red/Green visual status LED |
| Acoustic… | |
| Remote Ranging | Yes |
| Remote Positioning (USBL) | No |
| Acoustic Range | 1km radius horizontal, 1km vertical |
| Range Resolution | ±50mm (dependant on VOS accuracy) |
| Velocity-of-Sound Range | 1300ms-1 to 1700ms-1 |
| Beacon Velocity | Active Doppler compensation, up to 15kts (28kph) |
| Communications | Broadband spread spectrum encoding, 24-32kHz, 100 baud. Multi-tiered Acoustic Protocol Stack. |
| Packet Addressing | 15 unique beacon identifiers, and broadcast to all capability. |
| Transmit Sound Pressure Level | ~172dB re 1uPa @ 1m |
| Applications… | |
| Supported Software Platforms | SeaTrac NavPoint Software, SeaTrac Utilities Software |
| Developers/Integrators | SDK, including ASCII based serial command interface with Application level and Acoustic Protocol Stack level commands for third party integration. |
