The National Aeronautics and Space Administration has bolstered its long-distance spacecraft communications capability in Southern California with the completion of a new 34-meter radio-frequency antenna at the Deep Space Network complex near Barstow.
New antenna aims to relieve crowded network
The newly finished facility, designated Deep Space Station 23, adds transmission and reception capacity to NASA’s Goldstone site, one of three global DSN complexes that relay commands and receive data from spacecraft operating far from Earth. The installation comes as the network struggles to keep pace with increasing demand: more than 40 spacecraft currently rely on DSN assets to maintain contact with mission control.
Engineers and managers have been expanding the DSN for years, adding antennas at Goldstone and the agency’s two other complexes to handle heavier traffic. The urgency has grown as NASA’s Artemis lunar program and a rising number of robotic interplanetary probes require regular, high-bandwidth contact with ground teams.
Artemis missions change priorities, say officials
Officials at NASA’s Jet Propulsion Laboratory have acknowledged that human missions take precedence on the network. That reality has complicated scheduling for robotic spacecraft that also need regular windows for telemetry, navigation updates and science data downlinks.
"We're trying to add capacity and more antennas, but we can't keep up with the demand that's currently out there, so missions should expect to be getting less availability," Brad Arnold, DSN manager at JPL, said during a recent presentation.
Arnold also warned that crewed lunar missions—particularly those under the Artemis banner—represent a dominant draw on DSN resources, shaping how time on the network is allocated.
What the new dish brings
The new antenna is a 114-foot structure (34 meters) designed to send and receive radio signals at the frequencies used by distant spacecraft. While DSN operations span a range of dishes and locations, adding another mid-size antenna at Goldstone increases flexibility for mission planners and helps reduce bottlenecks during peak demand.
- Location: Goldstone Deep Space Communications Complex, near Barstow, California
- Antenna size: 114 feet (34 meters)
- Purpose: Boost DSN capacity for communications with deep-space and lunar missions
Even with the new station online, managers say the network cannot simultaneously contact every mission that might request time. That limitation has been a recurring theme at DSN briefings for several years as the number of active interplanetary spacecraft has climbed.
Historical context and local impact
The DSN has its roots in radio-tracking stations established in the 1950s and formally coalesced into a global network in the 1960s. Goldstone has been a cornerstone of that system for decades, hosting multiple large dishes that have supported missions from early lunar probes to modern interstellar explorers such as Voyager and New Horizons.
For the Barstow area and the Mojave Desert region that hosts the Goldstone complex, continued investment in DSN facilities underscores Southern California’s role in supporting national and international space operations. Construction, operations and maintenance of antennas generate local jobs and sustain a technical workforce centered on spacecraft communications and radio engineering.
What remains uncertain
NASA has not said the new dish will fully eliminate scheduling conflicts for missions vying for DSN time. Managers and engineers will have to continue balancing priorities as Artemis missions, robotic explorers and commercial spacecraft request more frequent, higher-bandwidth contacts.
| Metric | Detail |
|---|---|
| Number of spacecraft using DSN | More than 40 |
| New antenna diameter | 34 meters (114 feet) |
| Primary DSN sites | Goldstone (California), Madrid (Spain), Canberra (Australia) |
NASA’s incremental expansion of the Deep Space Network, including this addition at Goldstone, will buy more contact time for missions that study distant planets, asteroids and the outer solar system. But the agency’s own managers caution that demand for tracking and communications will likely remain higher than supply, particularly when crewed lunar operations require priority access.
For residents near Barstow and the broader space community in California, the new antenna represents both a tangible example of federal investment in regional space infrastructure and a reminder of how much relied-upon capabilities can be stretched as humanity expands its footprint across the solar system.
Kevin Nakamura is the state correspondent for WE NEWS.