Large antennas are our only current way of communicating through space across vast distances, and every now and then they need to be spruced up to ensure we can keep in touch with our deep-space exploration spacecraft.

Early this November, ESA's Deep Space Antenna in New Norcia, Australia, was subject to major maintenance, with a wide range of updates implemented to keep it in pristine order.

To communicate with ESA's fleet of spacecraft, the position of the antenna needs to be controlled with high accuracy. The huge 35-metre diameter construction relies on gearboxes to alter its position, offering sweeping views of every inch of the sky - and it was time these were replaced.

Australia's national science agency, CSIRO, has been responsible for day-to-day operational support and maintenance at the New Norcia station since June 2019.

"It was wonderful watching the elevation and azimuth gearboxes being swapped out, in a perfectly choreographed operation using heavy duty chain hoists and a large crane," describes ESA's Andreas Scior, responsible for the upgrade activities.

"This was the first time such an operation was conducted on an ESA deep space antenna, and despite its complexity, all involved teams managed to conduct the activity smoothly returning the antenna to service within just a week."

Scheduled maintenance of high-tech equipment also took place while the antenna power was off, as well as a series of frequency and timing enhancements, an upgrade of data routers and the installation of a new safety rail.

An honourable visit
On 6 November, during the antenna maintenance, the New Norcia site was visited by Hon. Kim Beazley AC, formerly Deputy Prime Minister and current Governor of Western Australia.

The timing was perfect, as CSIRO and ESA staff could give Governor Beazley a full tour of the facilities - showcasing the cooperation at New Norcia between the Australian Space Agency and ESA.

What are we looking at?
The New Norcia station in Western Australia is one of three deep-space dishes in ESA's ESTRACK network.

New Norcia currently supports several flying spacecraft such as BepiColombo, Cluster, Gaia, Mars Express and XMM. It will also support many of ESA's future missions including JUICE, Solar Orbiter and Euclid.

You can now find out which spacecraft these antennas are talking to at any moment, as well as other dishes in the network, with ESTRACK now. For more information, check out the ESTRACK now guide, here.

Research paper

Related Links
Operations at ESA
Space Technology News - Applications and Research

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New era for New Norcia deep space antenna
Paris (ESA) Jun 06, 2019
The 35-m deep space antenna in New Norcia, Western Australia, is being looked after by a new team, led for the first time by a female site manager, Suzy Jackson. The New Norcia station is key to communicating with Europe's missions across the Solar System and observing the Universe, including Mars Express currently in orbit around the Red Planet and BepiColombo - on its way to Mercury. As well as the deep space dish, the station also includes the nimble 4.5-m antenna - both able to track roc ... read more