The Trimble GA530 is a professional-grade geodetic GNSS antenna engineered for surveyors and contractors who demand the highest accuracy in static and network RTK reference station applications. This multi-constellation antenna receives signals from GPS, GLONASS, BeiDou, and Galileo satellites, delivering the redundancy and precision required for critical surveying projects.
In the field, the GA530's low-profile design and 5/8-11 mount make it easy to integrate into existing survey setups. Its surveying-grade phase center ensures consistent, repeatable measurements across multiple sessions, which is essential for establishing accurate control networks and base stations. Whether you're conducting boundary surveys, infrastructure monitoring, or large-scale construction projects, the GA530 provides the multi-frequency, multi-constellation capability needed to overcome signal degradation in challenging environments.
The antenna's IP67-rated weatherproof housing protects it from rain, dust, and extreme field conditions, making it reliable for year-round outdoor use. Its robust construction means minimal maintenance and maximum uptime on the job site. For contractors and surveyors using Trimble RTK systems, the GA530 is the foundation of a high-accuracy positioning network that improves productivity and reduces rework.
Express Tools is an authorized Trimble dealer with extensive experience supporting professional survey workflows. We stock the GA530 and provide expert guidance on antenna selection, site setup, and system integration to ensure your reference station performs optimally.