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Advanced Navigation has announced the release of their interface and logging unit. The interface and logging unit (ILU) is a device server that interfaces to any of Advanced Navigation's systems and provides data logging, a web interface, a time synchronisation server and a wide variety of different industry standard data input/output options.

The ILU features 6 RS232/RS422 serial ports, 1 CAN bus, 2 ethernet ports, WiFi and an array of multi-function GPIO pins. All of the interfaces can operate simultaneously with input and output of data in a large selection of different formats. Every single interface is individually optically isolated to prevent grounding issues with other equipment. The system supports both input and output of most major protocols including NMEA 0183, NMEA 2000, TSS, Simrad as well as a number of widely used proprietary protocols.

Data logging is supported from both the connected Advanced Navigation device and every other one of its interfaces simulataneously. Data can be automatically timestamped on arrival for easy synchronisation. The system contains 64GB of logging capacity which can allow the unit to log for months.

The ILU functions as an accurate GPS disciplined oscillator and has the capabilities of a full time synchronisation server. Its timing synchronisation outputs include 1PPS, 10 Mhz, hardware PTP as well as a number of other protocol based synchronisation outputs such as NTP and GPZDA.

A rich web interface features live mapping, real time data plotting and full configuration of devices. The ILU supports all of Advanced Navigation's products and the web interface dynamically reconfigures based upon what it is connected to.

The ILU is housed in a rugged marine grade aluminium enclosure that is water proof and dirt proof to the IP68 standard. The system features surge, static, overvoltage, short circuit and reverse polarity protection on all of its interfaces.

For more information, please see the product page at this link or contact

14th May, 2015

Advanced Navigation is pleased to announce the release of their new GNSS/INS Spatial FOG Dual. Spatial FOG Dual is a new variant of the popular Spatial FOG product that features the addition of high accuracy dual antenna heading.

The system operates with two GNSS antennas that are mounted fore and aft on the vehicle. By continuously measuring the phase difference of the GNSS signal received on each of the antennas, it is able to calculate the bearing between the two antennas which provides a very high accuracy heading source. This heading source provides the same level of accuracy in both stationary and moving applications and is not affected by magnetic interference making it more accurate and reliable than single antenna systems and magnetic heading systems.

Spatial FOG Dual features the very latest in dual antenna GNSS technology with the new Trimble MB-One integrated.

The product is targeted at survey applications which can benefit greatly from the increased heading accuracy especially under low dynamics conditions.

For more information please see the product page at this link.

16th April, 2015

Advanced Navigation has announced the release of their air data unit. The air data unit measures pitot airspeed and barometric altitude pressure on fixed wing aircraft. It can be used standalone for air data or connected to one of Advanced Navigation's Spatial series of GPS/INS products for significantly enhanced dead reckoning performance in fixed wing aircraft.

The Air Data Unit features very high accuracy absolute and differential pressure sensors. These are factory calibrated over a wide temperature range to further increase measurement accuracy and provide the best air data possible through varying conditions. On top of factory temperature calibration, every time the air data unit powers up, it performs a self excitation calibration to adjust for small deviations of bias and scaling error. This allows the system to compensate for calibration ageing and means that it never needs to be returned to the factory for recalibration.

The system outputs air data at 20 Hz over an RS232 serial interface and is housed in a miniature rugged environmentally sealed enclosure.

For more information, please see the product page at this link.

19th March, 2015

Carnegie Wave energy has integrated Advanced Navigation's Spatial Dual into their CETO wave energy power plant. CETO is currently the only operating wave energy power plant in the world and the first ever to be connected to the grid.

Carnegie Wave's CETO 5 wave energy power plants have now been operating for a total of 3000 hours off the coast of Western Australia. In February 2015 a CETO unit was connected to the electricity grid marking a major milestone.

Spatial Dual is used on the CETO power plants to monitor operational performance as well as provide early warning on any problems that may arise. The position, velocity, heave, roll, pitch and heading output from Spatial Dual are carefully monitored.

The environment of CETO puts Spatial Dual's inertial navigation performance to the test. As large waves pass over the CETO unit, Spatial Dual's GPS antennas become submerged and it navigates solely on inertials until the wave passes. This cycle repeats continuously.

A photo of CETO fully submerged with antennas protruding in its normal installed state is shown below.

The full unit out of water can be seen below.

26th February, 2015

Advanced Navigation has released a free program for testing their inertial pedestrian navigation technology currently in the final stages of development. The program can be used to post process data from a leg mounted Spatial unit for indoor pedestrian navigation.

Advanced Navigation's pedestrian navigation technology is designed for human navigation through areas where GPS signals are not available such as indoor environments. It has been developed for tracking personnel in high risk environments such as mine sites and chemical plants. The technology is being developed into rechargable ankle mount trackers that send real time data back to a central server over WiFi.

The navigation filter has been extensively tested in a number of different environments and has reliably demonstrated positioning performance of less than 4% of distance travelled over extended time periods. The filter uses a combination of step detection, stride estimation and a number of novel algorithms to deliver reliable navigation performance under a broad range of environments.

Shown below is results from testing on a basketball court where the position can be easily compared with the court lines from satellite imagery.

In this test the position error was 0.8% of distance travelled. A log file of the results that can be opened in Google Earth can be downloaded from this link.

The free post processing program that can be used to test the technology with a Spatial device can be downloaded from this link. The program requires that the raw sensors packet be set to output at 200Hz and it is recommended to have the system state packet output at 200Hz for timing, initialisation and error checking. The program generates output log files in the same directory as the input ANPP log file. It does not use the Spatial position, velocity or orientation except for optional automatic initialisation.

The Spatial unit should be mounted on the ankle as shown in the image below.

12th February, 2015

Advanced Navigation has released a version of their Spatial Manager software for Android devices.

The Android version of Spatial Manager features data logging, a built in NTRIP client for easy RTK and real time data views. It can also override the Android device's internal GPS so that the high accuracy Spatial data can be used by other Android applications. It is ideal for mobile surveying work with Advanced Navigation's Spatial series of GPS/INS systems.

Spatial Manager for Android is now available in the Android Play Store free of charge at this link. The Android device connects to the Spatial system wirelessly over bluetooth. A bluetooth dongle is required to use the Android application. Please contact to purchase a bluetooth dongle.

22nd January, 2015

Advanced Navigation has announced the release of their Subsonus USBL underwater acoustic positioning system.

Subsonus is a next generation USBL underwater acoustic positioning system that provides high accuracy position, velocity and heading at depths of up to 1000 metres. The system features an industry leading calibrated hydrophone array combined with an internal tightly coupled INS, all packed into a miniature titanium enclosure small enough to fit in the palm of your hand.

Subsonus is the result of four years of development at Advanced Navigation's acoustic research facility. The system is currently undergoing final in-field testing and will start shipping to customers in Q2 2015.

Please see the product page for more information.

15th January, 2015

Tellumat of South Africa has integrated Spatial Dual into their television telemetry unit being installed into the fleet of stunt planes used in the air race world championship.

Tellumat's PRU (Position Reporting Unit) that integrates Spatial Dual sends real time position, velocity and orientation from the stunt plane to the ground during the races so that graphics can be overlaid on live television footage.

The system has been in trials since March 2014 and based upon successful testing it has now been moved into the production phase. Shown below is one of the prototype PRU systems from July 2014 installed in the stunt plane pictured above.

The production Tellumat PRU is shown below.

The stunt plane air race is an extremely difficult environment for a GPS/INS with high dynamics manoeuvring causing extended duration g-forces of up to 10g and back to back GPS outages of up to 15 seconds during barrel rolls and loops.

Where other systems that were tested failed to achieve satisfactory results, Spatial Dual exceeded in maintaining high accuracy position, velocity and orientation. By fully integrating data from the stunt plane fleet's existing pitot and static air data system, Spatial Dual was able to acheive position drift rates of less than 0.5% of distance travelled during GPS outages in manoeuvres.

The position data from tests carried out in Cape Town, South Africa last year is shown below.

A log file of this data that can be opened in Google Earth can be downloaded from this link.

8th January, 2015

From all the team at Advanced Navigation, we would like to wish all of our customers and suppliers a very merry christmas and a happy new year.

Unlike most of our customers that are looking forward to a white christmas, we will be enjoying aussie style christmas's of beaches, boating and barbeques in the Australian summer heat. We are looking forward to the new year ahead which will see some very exciting new developments at Advanced Navigation. We hope you enjoy your holidays and look forward to working with you again in the new year.

18th December, 2014

Spatial FOG has completed a long distance 558 kilometre dead reckoning test in a drive down the eastern coast of Australia. The test duration was 8 hours and 17 minutes and involved difficult terrain with altitude changes of more than 800 metres. Spatial FOG demonstrated market leading performance in the test with an error of just 0.1% of distance travelled.

For the test, Spatial FOG was installed into a 1996 Jeep Cherokee and the factory odometer signal was connected. The factory odometer is low resolution with 0.2 metres per pulse. Spatial FOG was initialised with a manually entered starting position and did not have any GPS antenna connected for the duration of the test. A Spatial Dual unit with antennas connected was installed next to Spatial FOG to provide a high accuracy GPS reference for the test.

The vehicle drove from Waterfall Way in northern New South Wales to Point Piper in Sydney. The course took 8 hours and 17 minutes and involved difficult terrain, sharp cornering, altitude changes of more than 800 metres and ambient temperatures of 42 degrees celsius.

At the end of the test, Spatial FOG's dead reckoning position was compared with the Spatial Dual reference position and the error was found to be just 564 metres or 0.1% of distance travelled. The track and final approach can be seen below with Spatial FOG in blue and the Spatial Dual reference in red.

The results of this test show Spatial FOG's market leading dead reckoning performance even under difficult conditions.

11th December, 2014