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Showing 10 out of a total of 18 results for collection: Research Articles (Geography, Geoinformatics and Meteorology).
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A review of the lunar laser ranging technique and contribution of timing systems
Munghemezulu, Cilence
;
Combrinck, Ludwig
;
Botai, Joel Ongego
(
AOSIS OpenJournals
,
2016-03
)
A spatiotemporal analysis of the effect of ambient temperatures on the thermal behaviour of the Lunar Laser Ranging optical telescope at Hartebeesthoek Radio Astronomy Observatory
Tsela, Philemon Lehlohonolo
;
Combrinck, Ludwig
;
Ngcobo, B.
(
CONSAS Conference
,
2016-11
)
Accuracy comparison of Pleiades satellite ortho-images using GPS device based GCPs against TerraSAR-X-based GCPs
Henrico, Ivan
;
Combrinck, Ludwig
;
Eloff, Corne
(
CONSAS Conference
,
2016-11
)
Analysis of the performance of hydrogen maser clocks at the Hartebeesthoek Radio Astronomy Observatory
Munghemezulu, Cilence
;
Combrinck, Ludwig
;
Botai, Joel Ongego
;
Quick, J.
(
CONSAS Conference
,
2016-11
)
Comparison of site velocities derived from collocated GPS, VLBI and SLR techniques at the Hartebeesthoek Radio Astronomy Observatory (Comparison of site velocities)
Munghemezulu, Cilence
;
Combrinck, Ludwig
;
Mayer, D.
;
Botai, Joel Ongego
(
De Gruyter Open
,
2014-04
)
Design of a web-based GNSS data management system at HartRAO : preliminary results
Mashaba, Zinhle
;
Combrinck, Ludwig
;
Botai, Joel Ongego
;
Munghemezulu, Cilence
;
Botha, R.C.
(
Geological Society of South Africa
,
2016-03
)
Evaluating spectral indices for winter wheat health status monitoring in Bloemfontein using Lsat 8 data
Mashaba, Zinhle
;
Chirima, Johannes George
;
Botai, Joel Ongego
;
Combrinck, Ludwig
;
Munghemezulu, Cilence
(
CONSAS Conference
,
2016-09
)
Forecasting winter wheat yields using MODIS NDVI data for the Central Free State region
Mashaba, Zinhle
;
Chirima, Johannes George
;
Botai, Joel Ongego
;
Combrinck, Ludwig
;
Munghemezulu, Cilence
;
Dube, Ernest
(
Academy of Science of South Africa
,
2017-11
)
Global geopotential models from satellite laser ranging data with geophysical applications : a review
Botai, Mihloti Christina
;
Combrinck, Ludwig
(
Academy of Science of South Africa
,
2012-03
)
Importance of the Hartebeesthoek Radio Astronomy Observatory for the VLBI network
Mayer, D.
;
Bohm, J.
;
Combrinck, Ludwig
;
Botai, Joel Ongego
;
Bohm, S.
(
Springer
,
2014-09
)
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Author
Combrinck, Ludwig (18)
Botai, Joel Ongego (12)
Munghemezulu, Cilence (8)
Mashaba, Zinhle (4)
Botai, Mihloti Christina (3)
Chirima, Johannes George (2)
Mayer, D. (2)
Ngcobo, B. (2)
Tsela, Philemon Lehlohonolo (2)
Bohm, J. (1)
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Hartebeesthoek Radio Astronomy Observatory (HartRAO) (5)
Global navigation satellite system (GNSS) (3)
Satellite laser ranging (3)
Artificial satellites -- Orbits (2)
Dedicated satellite missions (2)
Global geopotential models (2)
Gravitational fields -- Models (2)
Lunar laser ranging (LLR) (2)
Satellite orbit determination (2)
Space geodesy (2)
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2015 (2)
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