A. Moudrak

36th Annual Precise Time and Time Interval (PTTI) Meeting DESIGN OF THE PRECISE TIME FACILITY FOR GALILEO (2008)

S. Bedrick, A. Bauch, A. Moudrak, W. Schäfer

Under contract to the European Space Agency (ESA), an expert team lead by Kayser-Threde GmbH has elaborated a design concept for the Precise Time Facility (PTF) for Europe’s satellite positioning...

Bringing New Benefits to Users (2007)

Moudrak, A., Denks, H., Hammesfahr, J., Schroth, A., Geißler, S.

Timing Performance of Galileo Mission Segment (GMS) (2006)

Moudrak, A., Furthner, J., Hammesfahr, J., Bourga, C.

Am Puls von Galileo (2006)

Schroth, A., Hammesfahr, J., Moudrak, A.

Composite Clock Technology to Support Galileo (2005)

Furthner, J., Hammesfahr, J., Moudrak, A., Bedrich, S.

Time from Galileo (2005)

Schroth, A., Moudrak, A., Hammesfahr, J.

Interoperability on Time — GPS-Galileo Offset Will Bias Position (2005)

Moudrak, A., Konovaltsev, A., Furthner, J., Hammesfahr, J., Bauch, A., Defraigne, P., ...

In Support of Galileo: The Galileo Time Service Provider (2005)

Hammesfahr, J., Moudrak, A., Furthner, J., Schroth, A., Bauch, A., Bruyninx, C., ...

Galileo Time Service Provider - The Focal Point for European Timing Expertise (2005)

Moudrak, A., Hammesfahr, J., Furthner, J., Schroth, A., Dallat, J., Piriz, R., ...

Interoperability on Time: GPS-Galileo Offset Will Bias Position (2005)

Moudrak, A., Konovaltsev, A., Furthner, J., Hammesfahr, J., Bauch, A., Defraigne, P., ...

Interoperability and certification aspects of future GNSS (2005)

Hammesfahr, J., Moudrak, A.

Certification Feasibility for Combination of Galileo with GPS and EGNOS (2005)

Moudrak, A., Hammesfahr, J.

On the Way to Future GNSS: System Certification and Additional Information Services to Support System Interoperability (2005)

Moudrak, A., Hammesfahr, J., Konovaltsev, A.

Architectural Design of the Precise Time Facility (PTF) for Galileo (2005)

Bedrich, S., Bauch, A., Moudrak, A., Schaefer, W.

Determination of GPS-Galileo Time Offset to Support System Interoperability (2004)

Moudrak, A., Hammesfahr, J., Konovaltsev, A., Bruyninx, C., Defraigne, P., Bauch, A.

The future European satellite navigation system Galileo will use an independent timescale - Galileo system time (GST) - as a reference for the determination of satellite orbit and clock parameters....

Time Dissemination and Synchronization for Galileo Users (2004)

Moudrak, A., Furthner, J., Konovaltsev, A., Denks, H., Hammesfahr, J.

Galileo-based time synchronisation to support location based services in communication systems (2004)

Konovaltsev, A., Moudrak, A.

Time and Frequency Transfer Using GNSS (2004)

Defraigne, P., Bruyninx, C., Moudrak, A., Roosbeek, F.

Since several years, GPS is used at the Royal Observatory of Belgium (ROB) for time and frequency transfer applications. Software for code and/or carrier-phase data analysis has been developed and...

GPS Galileo Time Offset: How It Affects Positioning Accuracy and How to Cope with It (2004)

Moudrak, A., Konovaltsev, A., Furthner, J., Hornbostel, A., Hammesfahr, J., Defraigne, P.

Looking forward for the advent of the future European navigation system Galileo, we anticipate a big part of its potential users to utilize combined GPS/Galileo receivers. It will allow such users to...

Time Comparisons between USNO and PTB: A Model for the Determination of the Time Offset between GPS Time and the Future Galileo System Time (2004)

Bauch, A., Pister, D., Moudrak, A., Petit, G.

Precise Timing Facility: Potential Architectures as Outcome of Galileo Phase C0 and German Galileo Test Environment (GATE) Studies (2004)

Moudrak, A., Hammesfahr, J.

Timing Aspects of GPS Galileo Interoperability: Challenges and Solutions (2004)

Moudrak, A., Konovaltsev, A., Furthner, J., Hammesfahr, J., Bauch, A., Defraigne, P., ...

Time Restitution and Transfer with GPS and Galileo (2004)

Moudrak, A., Konovaltsev, A., Furthner, J., Hammesfahr, J.

In the last decade GPS has become a widely accepted tool in both metrological and commercial timing applications. Thus, GPS-based time transfer – the so called Common View – is used to measure...

The DLR Project GalileoNAV: Overview and Status (2004)

Grunert, U., Dreher, A., Engler, E., Hornbostel, A., Konovaltsev, A., Klähn, D., ...

Design of the Precise Time Facility for Galileo (2004)

Bedrich, S., Bauch, A., Moudrak, A., Schaefer, W.

Timing Aspects in the Design of German Galileo Test Bed (GATE) (2003)

Moudrak, A, Furthner, J, Hammesfahr, J

The DLR Project GalileoNAV: An Overview (2003)

Hornbostel, A., Schroth, A., Grunert, U., Moudrak, A., Dreher, A., Klefenz, F., ...

In 2001 the DLR Institute of Communications and Navigation started an internal project called "GalileoNAV", which supports early work for the utilization, application and verification of...

Time Dissemination and Common View Time Transfer with Galileo: How Accurate Will It Be? (2003)

Furthner, J., Moudrak, A., Konovaltsev, A., Hammesfahr, J., Denks, H.

Verification and Validation of Galileo System and Services (2003)

Hammesfahr, J., Moudrak, A.

Time Reference for German Galileo Test Environment (GATE) (2003)

Moudrak, A., Hammesfahr, J., Furthner, J.

Validation Procedure of GALILEO for Certification Purposes (2003)

Hammesfahr, J., Moudrak, A.

Clock Comparison with Geodetic GPS Receivers (2002)

Grunert, U., Moudrak, A.

Comparison of Selected Time Scale Algorithms (2002)

Moudrak, A., Furthner, J.

Frequency Comparison Experiments with Geodetic Receivers (2002)

Moudrak, A., Grunert, U.

Clock Comparison with Geodetic GPS Receivers (2002)

Moudrak, A., Grunert, U.

Precise Clock Comparison with Geodetic GPS Receivers (2002)

Moudrak, A., Grunert, U.

Time Dissemination and Common View Time Transfer with Galileo: How Accurate Will It Be? (1998)

Furthner, J., Moudrak, A., Konovaltsev, A., Hammesfahr, J., Denks, H.

The future European navigation system Galileo will provide both positioning and timing capabilities to its users in the frame of four basic navigation services. Two of them are of special interest:...