A1 - Most important requirement: minimal RFI,

therefore must have a remote location

A2 - Located in a region (or array cluster locations)

that can be designated as an International

Interference Free Zone

A3 - Politically stable country

A4 - Favorable weather conditions

-Minimal long-term impact of potential

flooding, high winds, snowfall

-Minimal probability of earthquakes,

tornados, hurricanes, volcanoes, etc.

A5 - Logistics

-Power (to remote stations and to

processing center/administration)

-Water

-Internet connection

-Roads to distant SKA stations

-Airport

-Fiber optics (for remote control and for

connections between SKA stations)

-Nearby town for habitation

B1- Proximity to other expert sites

B2 - Should be in a region with low cost of

construction.

B3 - Site should be in a country with significant

contributions to the SKA

B4 - Geographic latitude range ±35 degrees

B5 - Avoid geomagnetic equator

B6 - Adequate topography and geology as they

affect construction and operation

B7 - Assess environmental protection and land

acquisition problems

B8 - Degree of security required for infrastructure

protection (Large animals? Border security?)

C1 - Western Australia (Upper Gascoyne-

Murchison Region)

C2 - Southwestern US and Northern Mexico

(Socorro area: Nevada, Arizona, New Mexico,

Western Texas, Chihuahua, Sonora)

C3 - China

C4 - South Africa etc.

D1 - Call for proposals by International SKA

Board (ISSC)

D2 - Competitive proposals by National (or multi-

national) consortia

- Proposals to conform to ISSC guidelines

-Proposals to include site evaluations and

construction permits

D3 - Decision! (after evaluations) by

ISSC/Funding Agencies?