D Ale ha de Wi !
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Di ec o : Radio As onomy P ojec s !
Depa men o Science, Technology !
and Inno a ion (DSTI)"
D Jack Radcli e!
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Resea ch Scien is !
Uni e si y o #Manches e !
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Cha ing he Cou se o !
GGOS A ica: In eg a ing "
Pan-A ican Geode ic"
E o s o Global Impac "
UN-GGCE Geodesy Capaci y De elopmen
Wo kshop o A ica!
19–23 May 2025, Nai obi
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Cha ing he Cou se o GGOS A ica
Do we need a
GGOS A ica?
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Cha ing he Cou se o GGOS A ica
Yes, we do!!!
I ’s ime o
A ica!!
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C edi : He i age Mal a
Wha is Geodesy?
IAG Se ices o
VLBI, GNSS, DORIS,
and SLR
GGOS is he o ganiza ion esponsible o he
ad ancemen o Geodesy. GGOS Co e Si es co-
loca e he majo obse a ion echniques
h ps://ggos.o g/
h ps://www.iag-aig.o g/
h ps://ggos.o g/
GGOS A ilia e is a na ional o egional
o ganiza ion ha coo dina es geode ic
ac i i ies in ha coun y o egion
1998 - Bi h o GGOS
2017 - Es ablish A ilia e GGOS-Japan
2021 - Es ablish A ilia e GGOS D-A-CH
2024 - Es ablish A ilia e GGOS
Ibe A lan ic
h ps://ggos.o g/
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C edi : He i age Mal a
The Cu en Geode ic Landscape in A ica
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C edi : He i age Mal a
The Cu en Geode ic Landscape in A ica
GGOS Co e Si es
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C edi : He i age Mal a
The Cu en Geode ic Landscape in A ica
Ha ebees hoek Si e, Sou h A ica
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C edi : He i age Mal a
The Cu en Geode ic Landscape in A ica
The 167 an ennas (si ua ed on 126 di e en si es) ha pa icipa ed in he obse a ions used o ICRF3
ICRF3 S a ions
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C edi : He i age Mal a
A ica: A Key o Global and Local Solu ions
The Global Geodesy Supply
Chain Needs A ica
•Geog aphic Co e age: balancing
global g ound s a ion dis ibu ion
and imp o ing accu acy
•Unique Geophysical da a: A ica’s
di e se landscape p o ides c i ical
en i onmen al and geophysical da a
• Imp o ing Global Models: Imp o ing
global sa elli e sys ems, Ea h
obse a ions, and clima e models
Lack o Geode ic In as uc u e in A ica
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P og ess o Da e: GGOS A ica
•Iden i ica ion o Need:
Recogni ion o he need o a Pan-A ican Ins i u e o O ganisa ion o Geodesy
•S a ing wi h Sou h A ica:
Es ablishmen o a Geodesy Commi ee in Sou h A ica led by DSTI (In P og ess)
•GGOS Implemen a ion Plan 2024:
P omo e he es ablishmen o GGOS A ica
- Diagnose cu en si ua ion and explo e possibili ies o implemen a ion (2024)
- Es ablishmen o GGOS A ica A ilia e (2025)
•Key E en s:
Geodesy Day a he UN Science Summi (Sep embe 2024) and A AS Con e ence (Ma ch 2025)
•Collabo a ion and Lessons Lea ned:
- Le e age and collabo a e wi h o he STI p ojec s in A ica, such as he SKA
- Insigh s om SKA implemen a ion and he ollou o high-pe o mance
compu ing in A ica
•Secu ed Funding:
A ica-UK Physics Pa ne ship applica ion o unding (app o ed Ma ch 2025)
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P og ess o Da e: GGOS A ica
Discussions be ween DSTI, SARAO, SANSA, DALRRD, and NGI o es ablish a Sou h A ican
‘Geodesy Wo king G oup’
SARAO Space Geodesy
P og amme pa icipa es in
global space geode ic
ne wo ks o VLBI, GNSS,
DORIS, and SLR. one o
only a ew undamen al
geode ic s a ions
wo ldwide—and he only
one in A ica
SANSA pa icipa es in
space science, Ea h
obse a ion, and space
wea he moni o ing
ac i i ies. ope a es GNSS
s a ions p ima ily o space
wea he esea ch
NGI, Sou h A ica’s na ional
mapping o ganisa ions ope a es
T igNe , Sou h A ica’s na ional
CORS ne wo k, which se es as
Sou h A ica’s o icial geode ic and
cadas al e e ence sys em
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P og ess o Da e: GGOS A ica
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P og ess o Da e: GGOS A ica
•Iden i ica ion o Need:
Recogni ion o he need o a Pan-A ican Ins i u e o O ganisa ion o Geodesy
•S a ing wi h Sou h A ica:
Es ablishmen o a Geodesy Commi ee in Sou h A ica led by DSTI (In P og ess)
•GGOS Implemen a ion Plan 2024:
P omo e he es ablishmen o GGOS A ica
- Diagnose cu en si ua ion and explo e possibili ies o implemen a ion (2024)
- Es ablishmen o GGOS A ica A ilia e (2025)
•Key E en s:
Geodesy Day a he UN Science Summi (Sep embe 2024) and A AS Con e ence (Ma ch 2025)
•Collabo a ion and Lessons Lea ned:
- Le e age and collabo a e wi h o he STI p ojec s in A ica, such as he SKA
- Insigh s om SKA implemen a ion and he ollou o high-pe o mance
compu ing in A ica
•Secu ed Funding:
A ica-UK Physics Pa ne ship applica ion o unding (app o ed Ma ch 2025)
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P og ess o Da e: GGOS A ica
•Iden i ica ion o Need:
Recogni ion o he need o a Pan-A ican Ins i u e o O ganisa ion o Geodesy
•S a ing wi h Sou h A ica:
Es ablishmen o a Geodesy Commi ee in Sou h A ica led by DSTI (In P og ess)
•GGOS Implemen a ion Plan 2024:
P omo e he es ablishmen o GGOS A ica
- Diagnose cu en si ua ion and explo e possibili ies o implemen a ion (2024)
- Es ablishmen o GGOS A ica A ilia e (2025)
•Key E en s:
Geodesy Day a he UN Science Summi (Sep embe 2024) and A AS Con e ence (Ma ch 2025)
•Collabo a ion and Lessons Lea ned:
- Le e age and collabo a e wi h o he STI p ojec s in A ica, such as he SKA
- Insigh s om SKA implemen a ion and he ollou o high-pe o mance
compu ing in A ica
•Secu ed Funding:
A ica-UK Physics Pa ne ship applica ion o unding (app o ed Ma ch 2025)
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P og ess o Da e: GGOS A ica
Geodesy Day a he Uni ed Na ions Science Summi , New Yo k, USA, Sep embe 2024 Geodesy Session a he A ican As onomical Socie y (A AS)
Con e ence, Johannesbu g, Sou h A ica, Ma ch 2025
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P og ess o Da e: GGOS A ica
•Iden i ica ion o Need:
Recogni ion o he need o a Pan-A ican Ins i u e o O ganisa ion o Geodesy
•S a ing wi h Sou h A ica:
Es ablishmen o a Geodesy Commi ee in Sou h A ica led by DSTI (In P og ess)
•GGOS Implemen a ion Plan 2024:
P omo e he es ablishmen o GGOS A ica
- Diagnose cu en si ua ion and explo e possibili ies o implemen a ion (2024)
- Es ablishmen o GGOS A ica A ilia e (2025)
•Key E en s:
Geodesy Day a he UN Science Summi (Sep embe 2024) and A AS Con e ence (Ma ch 2025)
•Collabo a ion and Lessons Lea ned:
- Le e age and collabo a e wi h o he STI p ojec s in A ica, such as he SKA
- Insigh s om SKA implemen a ion and he ollou o high-pe o mance
compu ing in A ica
•Secu ed Funding:
A ica-UK Physics Pa ne ship applica ion o unding (app o ed Ma ch 2025)
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P og ess o Da e: GGOS A ica
GRAO, 32-m adio
elescope GHANA
AMT, Namibia
SKA-MID Telescope,
Bo swana
HPC, as o/geo aining,
co-loca ed, and
aining ins umen s
SKA Pa ne Coun ies in A ica
TART elescope,
Mau i ius, Kenya,
Zambia
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P og ess o Da e: GGOS A ica
Sel -con ained Geode ic GNSS e e ence
s a ions wi h ull wea he sys ems.
Sola powe ed and cellula communica ion.
Op ion o add a a ie y o ins umen s.
~$53K (USD) - excluding ins alla ion cos .
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P og ess o Da e: GGOS A ica
•Iden i ica ion o Need:
Recogni ion o he need o a Pan-A ican Ins i u e o O ganisa ion o Geodesy
•S a ing wi h Sou h A ica:
Es ablishmen o a Geodesy Commi ee in Sou h A ica led by DSTI (In P og ess)
•GGOS Implemen a ion Plan 2024:
P omo e he es ablishmen o GGOS A ica
- Diagnose cu en si ua ion and explo e possibili ies o implemen a ion (2024)
- Es ablishmen o GGOS A ica A ilia e (2025)
•Key E en s:
Geodesy Day a he UN Science Summi (Sep embe 2024) and A AS Con e ence (Ma ch 2025)
•Collabo a ion and Lessons Lea ned:
- Le e age and collabo a e wi h o he STI p ojec s in A ica, such as he SKA
- Insigh s om SKA implemen a ion and he ollou o high-pe o mance
compu ing in A ica
•Secu ed Funding:
A ica-UK Physics Pa ne ship applica ion o unding (app o ed Ma ch 2025)
