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AOAD/M_T Choke Ring GPS Antenna Absolute Phase Center Variations Results of Absolute PCV Field Calibrations at IfE and Geo++ ® compiled by Falko Menge and Dr. Martin Schmitz, version 1.2

PCV Calibration of GPS Antennas General Overview Absolute PCV Field Calibration Basics and Procedure Discussion of Absolute PCV Effects, Large Networks, Engineering Applications Absolute PCV Calibration of AOAD/M_T Details, Accuracy, Precision Absolute PCV Results of AOAD/M_T Download Area Summary Publications english and german language Image : original AOAD/M_T Choke Ring antenna on the robot during calibration procedure Image : original AOAD/M_T Choke Ring antenna used for this calibration

PCV and MP Working Group in Hannover: Institut für Erdmessung: Prof. Dr. G. Seeber, F.Dilßner, F. Menge, V. Böder Geo++® GmbH: Dr. G. Wübbena, Dr. M. Schmitz, G. Boettcher

Acknowledgments: The work has been done in a research project (including the acquisition of the robots), which is funded by BMBF DLR under the grant 50NA9809. Many thanks also to BKG, namely to Rudi Stöger (Wettzell), who provided the investigated original AOAD/M_T antenna.

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