RADIOMETER 90 GHZ

An experiment that made a map of the Cosmic Microwave Background first order (dipole) anisotropy and set stringent limits on higher order CMB anisotropies. It was a test bed and precursor for the 90 GHz (3-mm wavelength) of the COBE satellite.

Balloon launched on: 11/19/1982 at 17:16
Launch site: Balloon Launch Sector, Cachoeira Paulista, Brazil  
Balloon launched by: Instituto Nacional de Pesquisas Espaciais (INPE)
Balloon manufacturer/size/composition: Zero Pressure Balloon 74.000 m3
End of flight (L for landing time, W for last contact, otherwise termination time): 11/19/1982
Landing site: Found after two years in a forest in Tapiraí , Sao Paulo, Brazil

No data if was completed the separation of the scientific experience from the balloon.

• A map of the cosmic background radiation at 3 millimeters Astrophysical Journal, Part 2, vol. 298, Nov. 1, 1985, p. L1-L5
• Measurement of the large-scale anisotropy of the Cosmic Background Radiation at 3 MM Ph.D Thesis by Gerald Lewis Epstein, University of California, Berkeley, 1983
• Measurement of the large-scale anisotropy of the cosmic background radiation at 3 mm Ph.D. Thesis by Gerald Lewis Epstein
• Observations of the large scale anisotropy in the Cosmic Background Radiation at 3 mm Lawrence Berkeley National Laboratory. LBNL Report #: LBL-18759
• Pesquisas realizadas em 1982 a bordo de baloes Revista Espacial Año 11 Nº 48 - Enero 1983