Geoconnect is a specialist GNSS Dealer and offers Rugged Computing and Software Solutions

ProFlex 500 CORS

ProFlex 500 CORS is a Continuously Operating GNSS Reference Station. It is designed to collect, store, and transfer high quality GNSS raw data. Advanced CORS features are all included and easy to access and configure by users and network administrators. The ProFlex 500 CORS is an all-in-one robust solution, with fully integrated communication components.

Featured highlights

  • High quality GNSS raw data
  • User-friendly web interface
  • CORS and field campaign GNSS receiver
  • Meteorological and tilt sensors control

Continuously Operating GNSS Reference Station
The ProFlex 500 CORS is designed to collect, store, and transfer high quality GNSS raw data. Advanced CORS features are all included:

  • Automatic sessions programming
  • Ring file buffer
  • Embedded RINEX converter with Hatanaka compression
  • Automatic FTP push feature, which securely uploads data files
  • Embedded FTP server, for those who wish to manually retrieve their data

ProFlex 500 CORS data and powerful capabilities are easy to access and configure by users and reference station administrators

Embedded memory can be easily extended through USB sticks or external hard drives to securely store your GNSS and external sensors data. The ring file memory ensures that the most recent data are always available to the user. Sensor data may be pushed or retrieved with the same simplicity as GNSS data using the innovative and user-friendly web server interface of the ProFlex 500 CORS.

The new ProFlex 500 NTRIP Caster features make it possible to access various sources of data from different base stations through a single Internet connection, as well as protect these sources of corrections from unauthorized users.  The embedded NTRIP Caster allows ProFlex 500 owners to set up a network of up to 10 different mount points and up to 100 users.  The network serves the needs of both the Survey and GIS markets by providing very affordable access to both centimeter-level and/or the decimeter-level real-time accuracy.

High-Quality GNSS Raw Data
The ProFlex 500 CORS features Ashtech’s BLADE technology to provide the best possible measurements from the three constellations, GPS+GLONASS+SBAS. The ProFlex 500 CORS has been extensively tuned to provide the highest quality raw data and specific observation masks to ensure the perfect synthesis between quality and availability, depending on each user’s application.

Flexible and Rugged Campaign Receiver
The Ashtech ProFlex 500 CORS receiver operates equally well as a CORS, a campaign GNSS receiver or a portable or permanent base station for post processing or RTK applications.
It has the flexibility to either collect raw data only or to simultaneously collect data and broadcast RTK corrections. Thanks to its instant multi-data streaming capability, the ProFlex 500 CORS offers easy access to RTK corrections for real-time centimeter accurate surveying and mapping applications.

The ProFlex 500 CORS is an all-in-one robust solution, with fully integrated communication components (Ethernet, GSM/GPRS, UHF radio, Bluetooth). It includes an internal removable battery, which acts as a built-in uninterruptible power supply (UPS). Rugged and IP67 rated, the receiver is made to withstand harsh environments.


Product specifications

  • Constellation :GPS/GLONASS/SBAS
  • Channels :75
  • Frequency :L1, L2
  • Update Rate :up to 20Hz
  • Data format :RTCM 2.3/3.1, CMR/CMR+, ATOM, DBEN, LRK, NMEA, NTRIP, VRS, FKP, MAC
  • Raw data output :Yes
  • Real-time Accuracy – RTK mode (HRMS) :1 cm
  • Real-time Accuracy – DGPS mode (HRMS) :< 30 cm
  • Real-time Accuracy – SBAS mode (HRMS) :< 50 cm
  • Post-Processed Accuracy (HRMS) :0.3 cm + 0.5 ppm
  • Time to first fix :Instant-RTK Initialization: Typically 2-second initialization for baselines < 20 km
  • Initialization range :> 40 km
  • Communications :Internal UHF, GSM/GPRS, BT, Ethernet
  • Unit size (mm / inches) :215x200x76 mm / 8.46×7.87×2.99 in
  • Weight :from 2.1 kg (4.6 lb)
  • Display :OLED
  • Memory :128 MB expandable through USB sticks or external hard drives
  • Temp Min (°C) :-30
  • Temp Max (°C) :+65
  • Waterproof :IP67
  • Shock & vibration :MIL-STD 810F
  • Power (type – lifetime) :Li-ion battery, 32.5Wh (7.4Vx4.4Ah). Acts as a UPS
  • Antenna Type :External
  • Firmware options :Yes

More information

I/O Interfaces:

–          USB 2.0 host and device,

–          1 RS232/R422 + 2 RS232,

–          1 PPS output + event marker input,

–          External clock reference input and earth terminal,

–          12V/0.5A (1A peak) output available on serial port A.

–          All signals available are optically isolated from receiver’s internal circuitry (except USB)

Power Characteristics:

–          Li-ion battery, 32.5Wh (7.4Vx4.4Ah). Acts as a UPS in case of a power source outage

–          Battery life time: > 6.5hrs @ 20 ºC (68°F)

–          9-36 VDC input

–          Typical power consumption with GNSS antenna: < 5W


–          Up to 96 sessions per day

–          Embedded Rinex converter

–          Automatic ftp push function

–          Ring File Memory function offering unlimited use of the storage medium

–          Ring File Buffer: Concurrent and independent to sessions raw data recording to collect data with different user settings like update rate

Full MET/TILT Sensor Integration

–         Both sensor types can be connected simultaneously

–         Met and Tilt data can be:

§         Logged and downloaded together with the GNSS data (legacy D-File supported)

§         Streamed in real time

Embedded NTRIP Caster:

–          Firmware option

–          Up to 10 mounts points

–          Up to 100 clients

GPS L5 and Galileo upgradable

Icon of Proflex500 CORS Geoconnect Proflex500 CORS Geoconnect (2.6 MiB)