The working group on “Radio Astronomy Infrastructures ” is a forum for information exchange and sharing of activities and strategies for radio astronomy infrastructures in which there is Spanish participation. This working group is entrusted with the following tasks:

• To promote a better use of radio astronomy facilities that are accessible to the Spanish community today (CAY, IRAM, APEX) or in the future (ALMA and eventually SKA among others).
• To support the Spanish delegation at ESO in regard to the monitoring of construction and operation activities of ALMA.
• To funnel the possible Spanish participation in SKA (Square Kilometer Array, collecting the interest of all interested groups and promoting their scientific, technological and industrial impulse in Spain.
• By request of the RIA Board, to carry out as many studies and reviews on radio astronomy infrastructure as required.

The RIA Board shall appoint a maximum of six members for this working group, including at least two IGN members and two CSIC members.

A representative of the Directorate General of MCIU competent in the area will attend to the meetings, as a non-voting member.

The Board will designate the chair of this working group among its members, for a two years period, with no extensions possible.

When deemed appropriate by the chair of this working group, the following people will be invited to the meetings:

• A Spanish delegate at ESO Council (MCIU).
• The Spanish member/s of ESO Scientific-Technical Committee and at the European ALMA Science Advisory Committee.
• In matters involving industrial returns, the chair will also invite a CDTI representative, usually the el Industrial Liaison Officer for Spain at ESO.