ALMA Time Line

  • 1995: NRAO/ESO/NAOJ joint site testing with Chile
  • May 1998: Start of Phase I (Design & Development)
  • June 1999: U.S./European Memorandum of Understanding for Design & Development
  • February 2003: Final North American / European ALMA Agreement
  • April 2003: Testing of first prototype antenna begins at the ATF site in New Mexico
  • October 2004: Opening of Joint ALMA Office, Santiago, Chile
  • July 2005: North American contract for up to 32 ALMA production antennas
  • October 2005: Groundbreaking at 5000m altitude ALMA Array Operations Site
  • December 2005: European contract for up to 32 ALMA production antennas
  • July 2006: Agreement signed by North America, Europe, and Japan
  • March 2007:"First Fringes" dectect by two linked antennas at the ATF
  • April 2007:Delivery of first ALMA production antenna to Chile
  • Mid 2008: Two antenna interferometry
  • Early 2009: Commissioning and science verification starts
  • 2010: Call for shared-risk Early Science proposals; Early Science
  • Late 2012: Full science operations starts
  • 2012: ALMA Construction complete