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Showing 10 out of a total of 11 results for collection: Research Articles (Geography, Geoinformatics and Meteorology).
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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
)
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
)
Inferences of α-stable distribution of the underlying noise components in geodetic data
Botai, Joel Ongego
;
Combrinck, Ludwig
;
Sivakumar, Venkataraman
(
Geological Society of South Africa
,
2011-12
)
Mapping GPS multipath : a case study for the lunar laser ranger timing antenna at HartRAO
Munghemezulu, Cilence
;
Combrinck, Ludwig
;
Botai, Joel Ongego
;
Mashaba, Zinhle
(
CONSAS Conference
,
2016-09
)
On the global geodetic observing system : Africa's preparedness and challenges
Botai, Joel Ongego
;
Combrinck, Ludwig
;
Rautenbach, Cornelis Johannes de Wet
(
Elsevier
,
2013-02
)
Satellite laser ranging measurements in South Africa : contributions to earth system sciences
Botai, Mihloti Christina
;
Combrinck, Ludwig
;
Botai, Joel Ongego
(
AOSIS OpenJournals
,
2015-03
)
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Botai, Joel Ongego (11)
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Munghemezulu, Cilence (7)
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Mayer, D. (2)
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Global navigation satellite system (GNSS) (3)
Hartebeesthoek Radio Astronomy Observatory (HartRAO) (3)
Space geodesy (2)
African geodetic reference frame (AFREF) (1)
African GNSS network (1)
Atmospheric sensing techniques (1)
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