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Solution
GPS
Monitoring
CRNet

Hardware
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Reference Station Solutions

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CRNet is the system which monitors diastrophism with GPS, of structures including high-rise buildings, dams, bridges, and volcanoes.
CRNet is of course capable of conducting not only conventional static measurements, but also real-time (Epoch by Epoch) static measurements continuously. The data from the GPS on a computer network is analyzed and recorded and the results of the analysis are automatically displayed on a monitor screen in graphs. It is easy to display the results in the past by playing back the previous data. The data can be transmitted via the Internet or Intranet and can be publicized on a website.

The data management staff members can share their data on a computer network. When a major change occurs, the system triggers an alarm and the alarm is received by iMode on mobile phones. Therefore, staff members can be notified anywhere whenever an emergency occurs.
The field used by the system
In the field of survey Land, Sea, GIS, Mapping
Basic research GPS meteorology, Almanac analysis with satellites and
diastrophism
Observation Earthquake, landslides, and volcanic activities.
Engineering and observation
of structures		 Structures (high-rise buildings, bridges, and dams), railroads,
and highways
System structure
Performance and functions of the network software, CRNet

- The software is a monitoring software which works in indows PC environment.
- You can download the data of more than one GPS receiver with a dial-up connection.
- It is possible to do real-time processing with a serial link or TCP/IP by a continuous connection with the network.
- Post-processing with a precision calendar is available.
- Vector solutions can be obtained at epoch unit with Epoch by Epoch algorithm.
- Automatic conversion to RINEX data is conducted.
- Alarm output is available.
Communication

- Internet
- Dial-up connection
- Mobile phones
- Radio communication
Monuments
Monitoring screen
GPS Receivers
CRS1000

CRS1000 is the first GPS receiver which is designed for monitoring. The receiver has System300 technology and is used for electronic datum points.
 System500

System500 has basic performance of 24 channel (L1 12ch + L2 12ch) ClearTrak Synchronization performance at 10Hz. 		MX421L

MX421L is a GPS receiver which was developed with Leica's proprietary multi-path mitigation technique and IBM's SiGe Technology and is an all-in-one L112ch smart GPS antenna. 		RS500

RS500 does 10Hz ring buffer logging with an interface of weather sensor and tiltmeter.

Related website

CRNet - Leica Geosystems
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