Nederlandse Samenwerking voor Geodetische Infrastructuur (NSGI)

Netherlands Partnership for Geodetic Infrastructure

GNSS RTK and DGNSS in the

NetherlandsLennard Huisman

Productmanager Rijksdriehoeksmeting

2 |

National reference frame for GNSS services

RTK and DGNSS services

Galileo readiness

Outline

3 |

NSGIGlobal Geodetic Reference

Frame (GGRF)

International TerrestrialReference System

(ITRS)

International HeightReference System

(IHRS)

European TerrestrialReference System 1989

(ETRS89)

European VerticalReference System

(EVRS)

Stelsel van de Rijksdriehoeksmeting

(RD)

Normaal Amsterdams Peil (NAP)

Lowest Astronomical Tide(LAT)

Mean Seal Level (MSL)

4 |

Realization of ETRS89 by GNSS: AGRS.NL

5 |

National reference frame for GNSS services

RTK and DGNSS services

Galileo readiness

Outline

6 |

GNSS-service providers

6 national providers

Local providers

NSGI ensures common reference frame by ‘certification’ (= coordinate computation) of GNSS reference stations

RTK and DGNSS services

Certification of GNSS reference stations

8 |

National correction service for:Kadaster*

Surveying

Rijkswaterstaat*Surveying IALA/AIS

Research, Education andInnovation

*) and their contractors

NETPOS

9 |

NETPOS RTK usage 2017

- Black: Kadaster

- Blue: Rijkswaterstaat

- Orange: Other(Contractors / Education andresearch)

10 |

National reference frame for GNSS services

RTK and DGNSS services

Galileo readiness

Outline

11 |

All GNSS reference stations operated by NSGI capable of tracking Galileo (E1, E5a, E5b, AltBOC)

NETPOS: Beta version of software availablewith Galileo support

Galileo Ready?

12 |

Galileo experiment Apeldoorn

13 |

14 |

15 |

16 |

22 november 2017

Galileo-float

Galileo-fix

17 |

22 november 2017

Galileo-only

18 |

22 november 2017

GPS-only

Galileo-only

19 |

Galileo only RTK, nearly available?22 november 2017

Number of satellites

GPS-only

Galileo-only

20 |

Nederlandse Samenwerking voor Geodetische Infrastructuur (NSGI)

Netherlands Partnership for Geodetic Infrastructure

GNSS RTK and DGNSS in the

NetherlandsLennard Huisman

Productmanager Rijksdriehoeksmeting

22 |

1st order

AGRS.NL

2nd order

NETPOS

Certified other parties

- networks

- single stations

Continuously Operating Reference Stations

Belgium

Germany

North Sea

23 |

GNSS Footprint (backup)

Levelling benchmarks

(only 1st order shown!)

Absolute gravimetry

No maintenance:xTriangulation points

xGNSS Kernnet

xRelative gravimetry

Passive reference points