National densifications of SIRGAS

Immediately after the 1995 SIRGAS campaign, the South American countries concentrated on the modernization of their local geodetic datums through national densifications of SIRGAS and the determination of transformation parameters to migrate the existing geo data from the old reference systems to SIRGAS. At the beginning, these densifications were realised by passive networks, i.e. pillars. Today, they are given by continuously operating GNSS stations.

The activities related to the national densifications and official adoption of SIRGAS by the member countries are coordinated by the SIRGAS-WGII: SIRGAS at national level.


Argentina

POSGAR07: Posiciones geodésicas argentinas 2007; ITRF2005, epoch 2006.6; 178 stations included in SIRGAS
CON*: RAMSAC: Red argentina de monitoreo satelital continuo; 44 stations included in SIRGAS-CON

Bolivia

MARGEN: Marco Geodésico Nacional; SIRGAS95, epoch 1995.4; 125 stations included in SIRGAS
CON*: Red de estaciones GPS continuas; 9 stations included in SIRGAS-CON

Brazil

SIRGAS2000; SIRGAS2000, epoch 2000.4; 1903 stations included in SIRGAS
CON*: RBMC: Red brasileira de monitoramento continuo; 147 stations included in SIRGAS-CON

Chile

SIRGAS-CHILE; SIRGAS2000, epoch 2002.0; 269 stations included in SIRGAS; updated to ITRF2008 (IGb08), epoch 2016.0 after the Maule earthquake (Feb. 27, 2010)
CON*: Red de estaciones activas fijas; 10 stations included in SIRGAS-CON

Colombia

MAGNA-SIRGAS: Marco geocéntrico nacional de referencia; SIRGAS95, epoch 1995.4; 70 stations included in SIRGAS, updated to ITRF2008 (IGb08), epoch 2012.0
CON*: MAGNA-ECO: MAGNA estaciones continuas; 40 stations included in SIRGAS-CON

Costa Rica

CR05: Sistema de referencia Costa Rica 2005; ITRF2000, epoch 2005.83; changed to CR-SIRGAS ITRF2008 (IGb08), epoch 2014.59
CON*: Red de estaciones GNSS continuas; 14 stations included in SIRGAS-CON

Ecuador

RENAGE: Red Nacional GPS del Ecuador; SIRGAS95, epoch 1995.4; 135 stations included in SIRGAS
CON*: REGME: Red GNSS de monitoreo continuo de Ecuador; 32 stations included in SIRGAS-CON

El Salvador

SIRGAS-ES2007: Red geodésica básica nacional de El Salvador; SIRGAS, epoch 2007.8; 34 stations included in SIRGAS

French Guyana

RGFG: Réseau Géodésique Français de Guyane; ITRF93, epoch 1995.0; 7 stations included in SIRGAS;
1 station included in SIRGAS-CON

Mexico

Marco de referencia geodésico: ITRF1992, época 1988.0; updated to ITRF2008, epoch 2010.0
CON*: RGNA: Red geodésica nacional activa, 16 stations included in SIRGAS-CON

Panama

Marco Geodésico Nacional; SIRGAS2000, epoch 2000.0; 17 stations included in SIRGAS
CON*: Estaciones GPS permanentes; 6 stations included in SIRGAS-CON

Peru

PERU96: Sistema Geodésico Nacional; SIRGAS95, epoch 1995.4; 47 stations included in SIRGAS
CON*: REGPMOC: Red geodésica peruana de monitoreo continuo; 21 stations included in SIRGAS-CON

Uruguay

SIRGAS-ROU98; SIRGAS95, epoch 1995.4; 17 stations included in SIRGAS
CON*: REGNA-ROU: Red geodésica nacional activa; 23 stations included in SIRGAS-CON

Venezuela

SIRGAS-REGVEN: Red geocéntrica venezolana; SIRGAS95, epoch 1995.4; 156 stations included in SIRGAS; updated to ITRF2014, época 2015.5

*CON: Continuously operating stations

Buenos Aires, Argentina
September 16-20, 2019

Rio de Janeiro, Brazil
November 11-14, 2019

Rio de Janeiro, Brazil
November 6-8, 2019