Instituto de Pesquisas Meteorologicas, Baurú

The Grupo de Lançamento de Balões (Balloon Launch Group - GLB) arose from a collaboration project between the Academy of Sciences from Russia and the University of Campinas (UNICAMP) wich together organized a launch campaign of stratospheric balloons named "BrasSov 91" between October and November of 1991.

For this campaign, the Universidade Estadual Paulista "Julio de Mesquita Filho", counting on the available facilities in the Instituto de Pesquisas Meteorológicas (IPMet) located in the outskirts of the city of Baurú in the Sao Paulo state, Brasil, and the scientific support of the Instituto de Fisica Teórica (IFT), provided the means for launch 3 balloons and the successful recovery of all the scientific instruments. This early experience allowed to collect important data of cosmic rays flows and gamma rays, as well as of the ozone concentration and the earth's electric field terrestrial, but still more important revealed the need for a permanent balloon launch base for this kind of activities. That was the birth of the GLB.

Soon, in 1993 and thanks to the resources granted by the UNESP and Fundación de Amparo a la Investigación do Estado de São Paulo-FAPESP, was built the main infrastructure consisting in a operations building and the launch area. Later, were added devices for the handling of the ballloons and positioning systems, as well as telemetry and telecommunications systems for they pursuit and recovery.

In 1995 the activities of the GLB begined through an agreement established with the Service of Aeronomy of the French Centre National of Recherche Scientifique (CNRS), allowing the accomplishment of the Ozono'95 campaign. Soon in 1997, along with the CNRS and with the participation of different international scientific organizations, a new campaign named SRS (Stratospheric Regular Soundings) was made consolidating the operational qualification of the GLB base in the intertropical region.

Since then, different projects on atmospheric research had been developed using balloons launched from there, mainly through agreements of cooperation with the French space agency (CNES) like the one performed in 2000 (SWWS 2000), 2001 (Pre Hibiscus), 2003 (Envisat Pre-Hibiscus) and 2004 (Hibiscus - Troccinox), all involving local flights as well as long duration ones.

The GLB counts during the international campaigns with the support of the local airport on issues related to aerial security, and with a helicopter of the Brazilian Air Force that allows to recover the scientific loads as soon as posible.

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