SLOVENIAN GPS NETWORK SIGNAL : S LOVEN I A- G EODESY- NA VIGATION- L OCATION Dalibor RADOVAN...

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SLOVENIAN GPS NETWORK SIGNAL : S LOVEN I A- G EODESY- NA VIGATION- L OCATION Dalibor RADOVAN Geodetic Institute of Slovenia Ljubljana. SIGNAL. National GPS network under construction Part of geospatial infrastructure Main user: Geodesy Main task: Transition to a new coordinate system - PowerPoint PPT Presentation

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? Geodetski Inštitut Slovenije

SLOVENIAN GPS NETWORK SIGNAL:

SLOVENIA-GEODESY-NAVIGATION-LOCATION

Dalibor RADOVANGeodetic Institute of Slovenia

Ljubljana

? Geodetski Inštitut Slovenije

www.geod-is.si

SIGNAL

National GPS network under constructionPart of geospatial infrastructureMain user: GeodesyMain task: Transition to a new coordinate system Open to other users: Navigation, facilities management, GIS

? Geodetski Inštitut Slovenije

www.geod-is.si

NATIONAL COORDINATE SYSTEM

Bessel ellipsoidGauss-Krueger projection

Locally deformed classic triangulation – Datum 1948Transformation parameters to/from ETRS 89 available for the entire country and locally

? Geodetski Inštitut Slovenije

www.geod-is.si

NEW COORDINATE SYSTEM

National GPS network SIGNAL+

Homogenized network of points in ETRS 89 (EUREF campaigns & additional points)

+Classic traingulation in transition time

? Geodetski Inštitut Slovenije

www.geod-is.si

REMINDER

Slovenia:20.000 km2

2.000.000 inhabitants

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www.geod-is.si

ORGANIZATION

Surveying and Mapping Authority (SMA) - funds and organizationGeodetic Institute of Slovenia - technical coordination and management (from 2001 on)46 SMA branch offices & 150 accredited private companies - execution of geodetic works on local levelFaculty for Civil Engineering & Geodesy - research and consultancy

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www.geod-is.si

CURRENT STATUS OF GPS NETWORK

Activities (re)started as late as 20014 permanent stations + 1 private in networked operation1 of them included in EUREF-EPN Trimble VRS/FKP in operation from the end of 2003GPS service in operation at the Geodetic Institute of Slovenia 50 usersPermanent education system

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PLANS

Currently 4 stations in bidding process Outside SIGNAL: 8 private stations existing (single)

15 stations planned

Full network until mid 2006 within public-private partnership (SMA + Chamber of private surveying companies)

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www.geod-is.si

SIGNAL NETWORK

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• Geodetic accuracy (cm rank) over the whole national territory with 15 stations

• Average distance 50 to 70 km

• Currently: sub-decimeter accuracy with 5 networked stations

• Average distance 70 to 130 km

THE OBJECTIVE

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DATA DISTRIBUTION

REAL TIME

2.11

POST PROCESSING• Via web server (SMA's home page)

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SMA's HOME PAGE: GPS SERVICE & DATA

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www.geod-is.si

REAL TIMEVia GSM with GSM modems in the centre

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REAL TIMEVia mobile internet – NTRIP (Networked Transport of RTCM via Internet Protokol)

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www.geod-is.si

REAL TIMEVia GSM provider

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www.geod-is.si

PERMANENT STATION LJUBLJANA

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SLOVENIA IN EPN

* GSR 1

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www.geod-is.si

PERMANENT STATION BOVEC

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COLLOCATED TIDE GAUGE AND GPS STATIONSMA + Agency for environment (meteorology) + ESEAS

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APOS + SIGNALExchange of data

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www.geod-is.si

GPS SERVICE - CONTACTS

Home page: www.gu-signal.siCoordination: dalibor.radovan@geod-is.siTechnical: gasper.mahnic@geod-is.si