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Leica GR25

GNSS Reference Server
 
 
The Leica GR25 is a next generation GNSS reference station platform going far beyond traditional Reference Station receivers, serving many purposes and applications.
With integrated internal and external device management, multi-user management, high end security, modular and scalable design, the new GR25 GNSS Reference Server will grow with your needs and keep your GNSS applications and networks fully up to date.

Through Leica Geosystems’ modern ‘Future Proof’ design the GR25 is prepared for today and ready for tomorrow, by allowing upgrade of all the key hardware parts, such as tracking, memory, power and communications.

Designed for numerous permanent and semi permanent GNSS network installations and monitoring applications. Including RTK and static networks, single base station, field campaigns, structural monitoring, atmospheric and seismic studies and offshore positioning.

 
 
 
GNSS Reference Server
The GR25 is more than just a reference receiver; it is a GNSS Reference Server. Just like a data centre server, it has many requirements for reliable operation. For example: backup power supply, redundant data communications, environmental controls, high security and an easy way to monitor and support the system.

The GR25 brings many new features that fulfill all these requirements:

Server requirements Leica GR25 Characteristics
Backup power supplies: Dual external power supply, rechargeable battery + PoE
Redundant data communications: Ethernet, USB, Bluetooth or WLAN, slot in communication port
Environmental controls: Rack mount kit, bumpers, IP67 including all ports
Security devices: Firewall, closed ports, full user Management
Easy Monitoring and Support: Event Log, SNMP, Active Assist, support tool


Prepared for today, ready for tomorrow

GNSS Signal Modernisation
With a unique exchangeable measurement engine, you can keep up to date with the latest GNSS signals, without having to exchange the whole server every few years, securing your investment into the future. The GR25 supports a variety of GNSS signals including L1, L2, L5 and supports Galileo tracking including AltBOC.

Power Management
Intelligent Power Management with four fully configurable power sources, including two external inputs, Power Over Ethernet and a removable internal battery and charger that can provide up 20 hours of data backup or between 10 to 16 hours with communications backup using mobile internet devices.

Flexible Communications
Using the unique slot in communications port a variety of removable devices such as Radio/GSM/GPRS/EDGE/UMTS can be used and all properly managed by the GR25. New devices in the future will be easily integrated into your system, when they become available. Combining mobile phone internet or WLAN via its unique Internet Connection Sharing (ICS) functionality making the GR25 as a universal gateway to connect other devices to the internet.

GNSS Data Storage
The Smart Logging functionality allows up to 12 parallel logging sessions, using MDB, RINEX v2 and v3 and Hatanaka (incl. Zip also). Data rates up to 50Hz are supported, and stored on removable SD card based storage up to 32GB. USB disk support allows storage to external USB flash drives and disks.

Ntrip
The GR25 is a full Ntrip Server (Source), Ntrip Caster and Ntrip Client, allowing an unlimited number of mount points, server and client connections via one single port. The GR25 allows receiving correction data in Ntrip client mode, calculating an RTK fixed position and monitoring the antenna position while continuing to work as a GNSS Reference Server.


Meeting the highest standards
The GR25 is designed for straight-forward, clean and professional installations and offers various mounting options including 19" IT rack, wall mount, cabinet, tripod and stacking. The ultra low power consumption (3.1watts) and quad power input allow for reliable and long term operation with back up power supplies.

The new Leica RefWorx Onboard Software with a built-in web interface allows the system to be configured via Internet (LAN, WLAN, GPRS, UMTS), USB and Bluetooth. It supports 28 languages and all common web browsers. Initial configuration is made easy with the new screen and keypad or via the RefWorx Web Interface. DHCP and hostname support offer truly plug and play setup – no pre-configuration of the IP address is required. Communication over TCP/IP (LAN/WLAN/WAN/Mobile Internet), USB, Bluetooth or Serial RS232 is possible.

A built in Firewall, default closed ports, comprehensive user administration and detailed event log (including communications) allow secure system administration of the GR25 Reference Server and Services.

Due to its open design the GR25 can be used with many Network RTK software suites using either proprietary or standard common formats. Simple Network Management Protocol (SNMP) support allows the GR25 Reference Server to be easily integrated into existing IT service monitoring applications.

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