Radio astronomy protected in Western Australia

Artist's impression of dishes that will make up the SKA radio telescope.

Artist's impression of dishes that will make up the SKA radio telescope.

ENHANCED PROTECTIONS are now in place for the Mid West Radio Quiet Zone (RQZ) in remote Western Australia (near Boolardy Station), around 200 kilometres east of Meekatharra…a candidate site for the proposed Square Kilometre Array (SKA).

The RQZ was established in 2005 to provide an environment that protects highly sensitive equipment used for radio astronomy from unwanted radio communications signals.

These arrangements protect the radio telescopes currently in place at the Murchison Radioastronomy Observatory—such as the Australian SKA Pathfinder (ASKAP) and the Murchison Wide-field Array (MWA)—as well as those proposed in the Australian-New Zealand bid to host the SKA.

ASKAP dish

One of the Australian SKA Pathfinder (ASKAP) dishes.

“A clear regulatory framework to support radio quiet arrangements will further assist Australia to create the world’s best radioastronomy facility,” said Australian Communications and Media Authority (ACMA) Chairman, Chris Chapman.

“This will provide a platform that should be ideal for future radioastronomy projects, including the €1.5 billion SKA project.”

Mr Chapman said the new protection measures provide greater clarity and certainty to the arrangements that protect radio astronomy services in the RQZ.

‘The new measures continue to provide for radio quiet while supporting the use of spectrum by other users and placing the lowest feasible burden on industry in the region,’ said Mr Chapman.

The introduction of the enhanced protections for the RQZ follows a very extensive consultation process in which the ACMA sought the views of interested stakeholders.

More information: ACMA Planning for the radio astronomy service

Adapted from information issued by ACMA. Images courtesy SPDO / Swinburne Astronomy Productions / CASS / Terrace Photographers.

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