AsteRx SB3 ProBase

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The AsteRx SB3 ProBase is a multi-frequency and  multi-constellation GNSS receiver designed to  operate as a base station for local RTK or to be  used for network densification. On top of providing  top-quality measurements this receiver offers full  configuration flexibility as well as easy monitoring  capabilities. It incorporates the latest anti-jamming  technology for unbeatable robustness and reliability.  Its compact and rugged housing is tailored for easy  deployment in a wide range of environments.

KEY FEATURES

* Robust top-quality measurements for RTK and  differential corrections 

* Multi-constellation for best availability 

* Multi-frequency for reliability 

* AIM+ anti-jamming anti-spoofing system

* Open interface for full compatibility with all  standard data formats

BENEFITS 

High quality real-time GNSS corrections 

The AsteRx SB3 ProBase features the latest Septentrio quad constellation GNSS technology for best quality measurements. It generates real time differential and RTK corrections which can be used in GNSS and GNSS/INS products to achieve centimeter-level accuracy. 

Interference robustness

ProBase features AIM+, the most advanced on-board antijamming technology on the market. It can suppress the widest variety of interferers, from simple continuous narrowband signals to the most complex wideband and pulsed jammers. The RF spectrum can be viewed in real-time in both time and frequency domains. 

Septentrio’s industry leading APME+ technology aids in achieving the best multipath rejection while IONO+ ensures the best measurements and accuracy even under intense ionospheric activity. 

Easy-to-integrate 

The AsteRx SB3 ProBase supports multiple standard  correction messages for best compatibility when integrating  GNSS technology. This multi-signal receiver generates highest  quality corrections ensuring reliable positioning accuracy for  end-users. The product is easy to integrate and comes with  fully documented interfaces, commands and data messages.  Raw data logging can easily be set-up and the included  RxTools software allows receiver configuration, monitoring  and data analysis.

FEATURES 

GNSS signals 

544 Hardware channels for simultaneous tracking  of most visible signals: 

* GPS: L1 C/A, L2C, L2 P(Y), L5

* GLONASS: L1 C/A, L2 P, L2 C/A, L3 

* BeiDou: B1I, B1C, B2a, B2I, B3I 

* Galileo: E1, E5a, E5b, E5Altboc 

* QZSS: L1 C/A, L2C, L5 

* NavIC: L5 

* SBAS: EGNOS, WAAS, GAGAN, MSAS, SDCM 

Septentrio’s patented GNSS+ technologies 

* AIM+ unique anti-jamming and monitoring  system against narrow and wideband  interference with spectrum analyser 

* IONO+ advanced scintillation mitigation 

* RAIM+ (Receiver Autonomous Integrity  Monitoring) 

Formats Septentrio Binary Format (SBF), fully documented  with sample parsing tools 

 NMEA 0183, v2.3, v3.01, v4.0 

RINEX (obs, nav) v2.x, v3.x 

RTCM v2.x, v3.x (MSM messages included) 

CMR v2.0  

Connectivity

3 Hi-speed serial ports (RS232) 

Ethernet port (TCP/IP, UDP, LAN 10/100 Mbps) 

Power over ethernet 

1 High-speed/full-speed USB device port 

2 Event markers 

NTRIP (server, caster)

FTP server 

16 GB internal memory 

SUPPORTING COMPONENTS  

Embedded Web UI with full control and  monitoring functionality. 

RxTools, a complete and intuitive GUI tool set for  receiver control, monitoring, data analysis and  conversion. 

GNSS receiver communication SDK. Available for  both Windows and Linux.

PERFORMANCE

  Measurement precision ^1,2 

                                     Unsmoothed  

                                      pseudorange  

                                                    (cm)

GPS               L1C/A, L2C                16 

                                  L2P                10 

                                   L5                   6

GLONASS L1 C/A, L2 C/A               25

                                    L3               10 

Galileo                          E1                 8

                            E5a, E5b                 6 

                         E5AltBOC               1.5 

BeiDou         B1I,B1C, B2I                  8 

                             B2a, B3I               6 

NavIC                               L5           16 

QZSS                L1 C/A, L2C              16

                                        L5                 6

                                         Carrier phase 

All signals                             1 - 1.3 mm 

Maximum update rate 

Position                       10 Hz 

Measurements             10 Hz

Latency ³                 <10 ms

Time precision 

xPPS out⁴                              5 ns

Event accuracy                 < 20 ns 

Time to first fix 

Cold start⁵                         < 45  s 

Warm start⁶                         < 20 s

Re-acquisition avg.                1 s 

Tracking performance (C/N0 threshold) 

Tracking                               20 dB-Hz 

Acquisition                         33 dB-Hz

1  1σ level 

2  C/N0 = 45 dB-Hz 

3  99.9% 

4  Including software compensation of sawtooth effect

5  No information available (no almanac, no approximate   position)

6  Ephemeris and approximate position known