DGFI combination methodology for terrestrial reference frame computations

Detlef Angermann; Hermann Drewes; Barbara Meisel; Laura Sánchez; Wolfang Seemüller; Manuela Seitz

DGFI combination methodology for terrestrial reference frame computations

Detlef Angermann
, Hermann Drewes
, Barbara Meisel
, Laura Sánchez
, Wolfang Seemüller
, Manuela Seitz

Deutsches Geodätisches Forschungsinstitut

Research output: Contribution to journal › Article › peer-review

Abstract

In its function as an ITRS Combination Centre and as the IGS Regional Network Asscociate Analysis Centre for SIRGAS (IGS RNAAC SIR), DGFI has computed various realizations of the terrestrial reference system. Among them are a solution for the ITRF2005, a global terrestrial reference frame realization within the German project GGOS-D, and regional realizations for the SIRGAS reference frame. This paper presents the combination methodology of DGFI, which is based on the accumulation of datum-free epoch normal equations, and results for the computation of global and regional terrestrial reference frames. Finally, we discuss the current status concerning reference frame computations and make recommendations for future improvements.

Original language	English
Pages (from-to)	175-198
Number of pages	24
Journal	Bollettino di Geodesia e Scienze Affini
Volume	68
Issue number	2
State	Published - 2009
Externally published	Yes

Cite this

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T1 - DGFI combination methodology for terrestrial reference frame computations

AU - Angermann, Detlef

AU - Drewes, Hermann

AU - Meisel, Barbara

AU - Sánchez, Laura

AU - Seemüller, Wolfang

AU - Seitz, Manuela

PY - 2009

Y1 - 2009

N2 - In its function as an ITRS Combination Centre and as the IGS Regional Network Asscociate Analysis Centre for SIRGAS (IGS RNAAC SIR), DGFI has computed various realizations of the terrestrial reference system. Among them are a solution for the ITRF2005, a global terrestrial reference frame realization within the German project GGOS-D, and regional realizations for the SIRGAS reference frame. This paper presents the combination methodology of DGFI, which is based on the accumulation of datum-free epoch normal equations, and results for the computation of global and regional terrestrial reference frames. Finally, we discuss the current status concerning reference frame computations and make recommendations for future improvements.

AB - In its function as an ITRS Combination Centre and as the IGS Regional Network Asscociate Analysis Centre for SIRGAS (IGS RNAAC SIR), DGFI has computed various realizations of the terrestrial reference system. Among them are a solution for the ITRF2005, a global terrestrial reference frame realization within the German project GGOS-D, and regional realizations for the SIRGAS reference frame. This paper presents the combination methodology of DGFI, which is based on the accumulation of datum-free epoch normal equations, and results for the computation of global and regional terrestrial reference frames. Finally, we discuss the current status concerning reference frame computations and make recommendations for future improvements.

UR - https://www.scopus.com/pages/publications/85050905274

M3 - Article

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EP - 198

JO - Bollettino di Geodesia e Scienze Affini

JF - Bollettino di Geodesia e Scienze Affini

IS - 2

ER -

DGFI combination methodology for terrestrial reference frame computations

Abstract

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