Prediction of vertical deflections from high-degree spherical harmonic synthesis and residual terrain model data

by Hirt, Christian
Published 2009

Anomalous atmospheric refraction and comments on "fast and accurate determination of astronomical coordinates …" (Balodimos et al. 2003, Survey Review 37,290:269-275)

by Hirt, Christian
Published 2012

Hochauflosende astrogeodatische Bestimmung von Geoid- und Aquipotentialprofilen mit Submillimetergenauigkeit fur die Vermessung von Teilchenbeschleunigern

by Hirt, Christian
Published 2009

Zur Berücksichtigung von Scherung und Umschlagwinkel bei der Neigungsmessung mit zweiachsigen Neigungssensoren

by Hirt, Christian
Published 2008

Automatic Determination of Vertical Deflections in Real-Time by Combining GPS and Digital Zenith Camera for Solving the “GPS-Height-Problem”

by Hirt, Christian
Published 2001

The Digital Zenith Camera TZK2-D - A Modern High-Precision Geodetic Instrument for Automatic Geographic Positioning in Real-Time

by Hirt, Christian
Published 2003

Assessment of EGM2008 over Germany using accurate quasigeoid heights from vertical deflections, GCG05 and GPS/levelling

by Hirt, Christian
Published 2011

Digital Terrain Models

by Hirt, Christian
Published 2015

Efficient and accurate high-degree spherical harmonic synthesis of gravity field functionals at the Earth's surface using the gradient approach.

by Hirt, Christian
Published 2012

Monitoring and analysis of anomalous refraction using a digital zenith camera system

by Hirt, Christian
Published 2006

Mean kernels to improve gravimetric geoid determination based on modified Stokes's integration

by Hirt, Christian
Published 2011

RTM gravity forward-modeling using topography/bathymetry data to improve high-degree global geopotential models in the coastal zone

by Hirt, Christian
Published 2013

GOCE’s view below the ice of Antarctica: Satellite gravimetry confirms improvements in Bedmap2 bedrock knowledge

by Hirt, Christian
Published 2014

Ellipsoidal area mean gravity anomalies - precise computation of gravity anomaly reference fields for remove-compute-restore geoid determination

by Hirt, Christian, Claessens, Sten
Published 2011

Astronomical-topographic levelling using high-precision astrogeodetic vertical deflections and digital terrain model data

by Hirt, Christian, Flury, J.
Published 2009

Hochpräzise Neigungsmessung mit dem elektronischen Pendelneigungssensor HRTM

by Hirt, Christian, Kahlmann, T.
Published 2004

The Digital Zenith Camera - A New High-Precision and Economic Astrogeodetic Observation System for Real-Time Measurement of Deflections of the Vertical

by Hirt, Christian, Burki, B.
Published 2003

A 1.5km-resolution gravity field model of the Moon

by Hirt, Christian, Featherstone, Will
Published 2011

Earth2014: 1 arc-min shape, topography, bedrock and ice-sheetmodels – Available as gridded data and degree-10,800 sphericalharmonics

by Hirt, Christian, Rexer, Moritz
Published 2015

Spectral analysis of the Earth’s topographic potential via 2D-DFT: a new data-based degree variance model to degree 90,000

by Rexer, Moritz, Hirt, Christian
Published 2015