Product category: Sensors and Data Acquisition
News Release from: Heim Data Systems | Subject: Airborne recorders
Edited by the Electronicstalk Editorial Team on 24 March 2005
Airborne recorders take GPS onboard
Heim Data Systems has released an integrated 20-channel L1+L2 GPS receiver for its line of high performance airborne recorders
With modular signal interfacing and interchangeable media cartridges, these recorders provide highly flexible, COTS solutions that can easily adapt to changing mission requirements in both airborne and mobile applications. The integrated GPS receiver provides two functions essential to airborne data acquisition systems.
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Primarily, the GPS receiver serves as a highly accurate time synchronisation source used to generate precision UTC time stamping for the entire range of the recorder's flexible modular signal interfaces.
The GPS receiver eliminates the need for stand-alone free running time sources that require 'jam' synchronisation at the beginning of every mission.
The GPS timing source is used to continuously synchronise the recorder's precision data time stamping electronics and eliminates time inaccuracies due to drift experienced when using free running time sources.
The Heim recorder also uses the GPS time information to produce a modulated IRIG B, A, or G time output source that can be used as the master time source to synchronise other instrumentation devices.
In addition, the fast acquisition and re-acquisition receiver provides high dynamic, precision navigational data.
Further reading
Data recorder meets aerospace interface specs
The D200f system now supports the IRIG106 Chapter 10 standard
Heim Data Systems enhances D5000 series
Compact, High Bit Rate Recorders with Modular Signal Interfacing and Choice of Media
GSR 'DE' series of digital recorders
Heim Data Systems introduces GSR 'DE' series of digital recorders with removable drives
The GPS system can be specified for economical single frequency low rate operation or high performance L1+L2 plus WAAS to support high dynamic, high-velocity applications.
Accurate navigation solutions are provided one or ten times per-second.
The GPS receiver data is also compatible with typical Differential GPS Solution applications.
The user has the flexibility to program the specific message output from the wide variety of message types available.
The GPS data are captured and recorded in the IRIG106 Chapter 10 flight data acquisition standard data format.
Heim data packet recording technology is recognised as a leader in providing very accurate time base and inter-channel phase accuracy for multiple input channels covering a wide range of disparate signal types.
The GPS capability further enhances the recorder's ability to capture data that can be accurately and reliably time synchronised to other mission events during mission data analysis.
The GPS option is available either in a signal module package for plugging into any Heim airborne recorder or it can be integrated into the latest recorder mainframes.
Fitted integrally into D5000 series flight test or D7000 series mission recorders, the GPS option provides full functionality without taking up valuable signal interface module slots.
The integration of precision GPS data and timing information eliminates the need for bulky stand-alone GPS receivers and time generators, thus reducing the traditional three box solution to a single COTS recorder.
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