SIRGAS WORKING GROUP III "VERTICAL DATUM"
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ING. LAURA M. SANCHEZ RODRIGUEZ
President
INST. GEOGRAFICO AGUSTIN CODAZZI
CARRERA 30, NO. 48-51, OFIC. 402
SANTAFE DE BOGOTA, D.C., COLOMBIA
FAX:	57-1-368 0991 , 57-1-368 1040
e-mail: lsanchez @ igac.gov.co

GEOF. JUAN FRANCISCO MOIRANO
Principal member
OBSERVATORIO ASTRONOMICO
PASEO DEL BOSQUE S/N
1900 LA PLATA, BS. AIRES, ARGENTINA
FAX: 54-21-21 1761
e-mail: jmoirano @ fcaglp.fcaglp.unlp.edu.ar

PROF. GRACIELA FONT
Substitute member
OBSERVATORIO ASTRONOMICO
PASEO DEL BOSQUE S/N
1900 LA PLATA, BS. AIRES, ARGENTINA
FAX: 54-21-21 1761
e-mail: graciela @ fcaglp.fcaglp.unlp.edu.ar

PROF. SILVIO ROGÉRIO C. FREITAS
Principal member
UNIVERSIDADE FEDERAL DO PARANÁ
CAIXA POSTAL 19098
81531-970, CURITIBA, PR, BRASIL
FAX: 55-41-266 2393
e-mail: sfreitas @ cce.ufpr.br

ENG. ROBERTO TEIXEIRA LUZ
Substitute member
IBGE/DEGED
AV. BRASIL 15671 PARADA DE LUCAS
RIO DE JANEIRO, RJ, BRASIL, CEP 21241-051
FAX: 55-21-2481 2747
e-mail: roberto @ ibge.gov.br

MAYOR RODRIGO BARRIGA VARGAS
Principal member
INSTITUTO GEOGRAFICO MILITAR
NUEVA SANTA ISABEL 1640
SANTIAGO, CHILE
FAX: 56-2-698 8278
e-mail:	igm @ reuna.cl

CAP. RODRIGO MATURANA NADAL
Substitute member
INSTITUTO GEOGRAFICO MILITAR
NUEVA SANTA ISABEL 1640
SANTIAGO, CHILE
FAX: 56-2-698 8278
e-mail: igm @ reuna.cl

PROF. FABIAN D. BARBATO
Principal member
INST. AGRIMENSURA - UN. REPUBLICA
AV. J. HERRERA Y REISSIG 565, CASILLA 30
MONTEVIDEO 11000, URUGUAY
FAX: 59-82-711 5446
e-mail: fbarbato @ fing.edu.uy

CMDTE. HECTOR ROVERA
Substitute member
SERVICIO GEOGRAFICO MILITAR
8 DE OCTUBRE 3255
MONTEVIDEO 11600, URUGUAY
FAX: 598-2-487 0868
e-mail: hcrovera @ yahoo.com

ING. JOSE NAPOLEON HERNANDEZ
Principal member
CARTOGRAFIA NACIONAL
EDIF. CAMEJO, PISO 2, OFIC. 216
CARACAS 1010, VENEZUELA
FAX: 58-2-545 0374
e-mail:	napoleonh @ cantv.net

DR. MELVIN JESUS HOYER ROMERO
Substitute member
UNIVERSIDAD DEL ZULIA
APARTADO POSTAL 10311
MARACAIBO, VENEZUELA
FAX: 58-61-512 197
e-mail: mhoyer @ luz.ve

DR. ING. HERMANN DREWES
Scientific consultant
DGFI
MARSTALLPLATZ 8
D-80539 MUENCHEN, GERMANY
FAX: 49-89-23031 240
e-mail: drewes @ dgfi.badw.de

DR. MUNEENDRA KUMAR
Scientific consultant
DEFENSE MAPPING AGENCY/IOG
4600 SANGAMORE ROAD
BETHESDA, MD 20816, USA
FAX: 1-301-227 2582
e-mail: kumarm @ nima.mil