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2013•Journal of Spacecraft TT&C TechnologyRequires access

A Method for Calibration of the Zero-Range Values of the SSA Transponders of TDRS Satellites

Junli Zhang

Open publisher page 1 citations

Abstract

TDRS(Tracking and Data Relay Satellite) satellites are provided with the capability of verifying the distance between a TDRS satellite and a user spacecraft.The delay of the forward and return direction SSA(S-band Single Access) transponders of TDRS satellites should not be neglected because of its contribution to the systematic errors.As it is difficult to directly measure the zero-range values of SSA transponders of TDRS satellites,a method for calibration of the delay is proposed.Multiple continuous days of actual multi-station ranging data and four-way ranging data of TDRS satellites with a fixed simulation test station is used in calibration of the zero-range values of the SSA transponders of two TDRS satellites and validation of the effectiveness of the proposed method.The result of calibration is helpful for analysis of the systematic errors and improvement of the orbit determination accuracy for user spacecraft.

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What this paper is about

TDRS(Tracking and Data Relay Satellite) satellites are provided with the capability of verifying the distance between a TDRS satellite and a user spacecraft.The delay of the forward and return direction SSA(S-band Single Access) transponders of TDRS satellites should not be neglected because of its contribution to the systematic errors.As it is difficult to directly measure the zero-range values of SSA transponders of TDRS satellites,a method for calibration of the delay is proposed.Multiple continuous days of actual multi-station ranging data and four-way ranging data of TDRS satellites with a fixed simulation test station is used in calibration of the zero-range values of the SSA transponders of two TDRS satellites and validation of the effectiveness of the proposed method.The result of calibration is helpful for analysis of the systematic errors and improvement of the orbit determination accuracy for user spacecraft.

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Available abstract

TDRS(Tracking and Data Relay Satellite) satellites are provided with the capability of verifying the distance between a TDRS satellite and a user spacecraft.The delay of the forward and return direction SSA(S-band Single Access) transponders of TDRS satellites should not be neglected because of its contribution to the systematic errors.As it is difficult to directly measure the zero-range values of SSA transponders of TDRS satellites,a method for calibration of the delay is proposed.Multiple continuous days of actual multi-station ranging data and four-way ranging data of TDRS satellites with a fixed simulation test station is used in calibration of the zero-range values of the SSA transponders of two TDRS satellites and validation of the effectiveness of the proposed method.The result of calibration is helpful for analysis of the systematic errors and improvement of the orbit determination accuracy for user spacecraft.

Key concepts: Satellite, Calibration, Spacecraft, Remote sensing, Range (aeronautics), Ranging, Computer science, Real-time computing

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A Method for Calibration of the Zero-Range Values of the SSA Transponders of TDRS Satellites — Research Paper | ScholarLens