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EPOSA®, a brand of Energie Burgenland Netz, ÖBB IKT and Wien Energie Stromnetz GmbH
Seite 2
EPOSA – precise – in realtime
38 referencestations with Topcon CR3 and GB1000, GB500-
receivers
serial and IP-connections (double redundant system)
2 server as data-center (backup-system by ÖBB)
Seite 3
EPOSA – precise – in realtime
Cooperation-partners:
Seite 4
EPOSA – precise – in realtime
EPOSA-server
calculation
DGPS-signal
GSM-routerReceiver
GPS/GLONASS-
antenna
Position-calculation
on the rover
+
GSM-card
DGPS - signal
over GSM
DGPS - signal
over GSM
Runtime of data: 1-1,5 seconds !
Referencestations-antennas
(GPS+GLONASS)
+ receiver
System GSM
Seite 5
EPOSA – precise – in realtime
EPOSA-server
calculation
DGPS-signal
NTRIP-serverReceiver
GPS/GLONASS-
antenna
Position-calculation
on the rover
+
GSM-card
Runtime of data: 1-1,5 seconds !
Referencestations-antennas
(GPS+GLONASS)
+ receiver
Internet
System NTRIP
Seite 6
EPOSA – precise – in realtime
Software products
Seite 7
EPOSA – precise – in realtime
Communication-formats
type dial channel satellite mountpoint mountpoint mountpoint
gsm gps tr 679 L1+L2 GPS only RTK-3LEI RTK-3LEI-M34
gsm gps 672 L1+L2 GPS only PRS02 RTK-3LEI RTK-3LEI-M34
gsm gnss 673 L1+L2 GPS + GLO RTK-2.3
gsm gnss tr 674 L1+L2 GPS + GLO RTK-2.3-TR
gsm dgnss 668 L1 GPS + GLO DGPS
gsm dgnss tr 669 L1 GPS + GLO DGPS-TR
GSM and NTRIP
ITRF2000-Epoche1997
DGPS:
Format Accuracy
• RTCM 2.0 0,5 – 1 meter
PDGPS:
• RTCM 2.1 VRS 1 – 5 centimeter
• RTCM 2.3 VRS / FKP 1 – 5 centimeter
Post processing:
• RINEX 1 – 5 centimeter max 1 Hz
Seite 8
EPOSA – precise – in realtime
Communication-formats and accuracy
Seite 9
EPOSA – precise – in realtime
Transformation-server (1)
GK plane coordinates
Besselellipsoid ellipsoid. coord.
(width , length, ortho. height)
ITRF cartesian coordinates
Besselellipsoid ellipsoid. coord.
(width , length, ellips. heigght)
inverse Gauß-Krüger Projection 7-Parameter-Transformation
due to the inhomogeneity of the national coordinates and the difference of
ortho. and ell. heights there are tensions / residuals on identical points
∆width, ∆length, ∆height
Seite 10
EPOSA – precise – in realtime
Transformation-server (2)
•Bicubic Spline - Interpolation
• Residualraster is in the format RTCM 2.3 placed at the data-center as
an additional correction .
• no local Parametersets,
a klick and the desired coordinate is in the national system
• CAUTION:
the resulting coordinates are no longer homogeneous ,
but contain the tensions of the national system .
Seite 11
EPOSA – precise – in realtime
Salzburg ..283
Steiermark..479
Tirol ...80
Vorarlberg....53
Niederöster.126
Kärnten ...104
Burgenland...68
Wien ..86
Oberöster 155
Osttirol ...85
Σ . .1519
Residual-raster
time of measurement:
2 hours each point
Seite 12
EPOSA – precise – in realtime
Transformation-parameter-sets
only one set of parameters for the whole area of Austria !
Seite 13
EPOSA – precise – in realtime
Services
• Rover-equipment for rent
• Training and practice
• Support (on the telephone and on the spot)
• Device tests from various manufacturers
• Support to research and development
• Cooperation for research-projects
Seite 14
EPOSA – precise – in realtime
Contact
• Customer Care:
Dipl.Ing. Christian Klug
phone +43 (0)1 4004-32920
fax: +43 (0)1 4004-32999
christian.klug@eposa.at
• Technical Support:
Hotline: +43 (0) 4004-32930
info@eposa.at
weekdays 07.30 – 18.00
Seite 15
EPOSA – precise – in realtime
Thank you for your attention !

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EPOSA - real time positioning in austria

  • 1. EPOSA®, a brand of Energie Burgenland Netz, ÖBB IKT and Wien Energie Stromnetz GmbH
  • 2. Seite 2 EPOSA – precise – in realtime 38 referencestations with Topcon CR3 and GB1000, GB500- receivers serial and IP-connections (double redundant system) 2 server as data-center (backup-system by ÖBB)
  • 3. Seite 3 EPOSA – precise – in realtime Cooperation-partners:
  • 4. Seite 4 EPOSA – precise – in realtime EPOSA-server calculation DGPS-signal GSM-routerReceiver GPS/GLONASS- antenna Position-calculation on the rover + GSM-card DGPS - signal over GSM DGPS - signal over GSM Runtime of data: 1-1,5 seconds ! Referencestations-antennas (GPS+GLONASS) + receiver System GSM
  • 5. Seite 5 EPOSA – precise – in realtime EPOSA-server calculation DGPS-signal NTRIP-serverReceiver GPS/GLONASS- antenna Position-calculation on the rover + GSM-card Runtime of data: 1-1,5 seconds ! Referencestations-antennas (GPS+GLONASS) + receiver Internet System NTRIP
  • 6. Seite 6 EPOSA – precise – in realtime Software products
  • 7. Seite 7 EPOSA – precise – in realtime Communication-formats type dial channel satellite mountpoint mountpoint mountpoint gsm gps tr 679 L1+L2 GPS only RTK-3LEI RTK-3LEI-M34 gsm gps 672 L1+L2 GPS only PRS02 RTK-3LEI RTK-3LEI-M34 gsm gnss 673 L1+L2 GPS + GLO RTK-2.3 gsm gnss tr 674 L1+L2 GPS + GLO RTK-2.3-TR gsm dgnss 668 L1 GPS + GLO DGPS gsm dgnss tr 669 L1 GPS + GLO DGPS-TR GSM and NTRIP ITRF2000-Epoche1997
  • 8. DGPS: Format Accuracy • RTCM 2.0 0,5 – 1 meter PDGPS: • RTCM 2.1 VRS 1 – 5 centimeter • RTCM 2.3 VRS / FKP 1 – 5 centimeter Post processing: • RINEX 1 – 5 centimeter max 1 Hz Seite 8 EPOSA – precise – in realtime Communication-formats and accuracy
  • 9. Seite 9 EPOSA – precise – in realtime Transformation-server (1) GK plane coordinates Besselellipsoid ellipsoid. coord. (width , length, ortho. height) ITRF cartesian coordinates Besselellipsoid ellipsoid. coord. (width , length, ellips. heigght) inverse Gauß-Krüger Projection 7-Parameter-Transformation due to the inhomogeneity of the national coordinates and the difference of ortho. and ell. heights there are tensions / residuals on identical points ∆width, ∆length, ∆height
  • 10. Seite 10 EPOSA – precise – in realtime Transformation-server (2) •Bicubic Spline - Interpolation • Residualraster is in the format RTCM 2.3 placed at the data-center as an additional correction . • no local Parametersets, a klick and the desired coordinate is in the national system • CAUTION: the resulting coordinates are no longer homogeneous , but contain the tensions of the national system .
  • 11. Seite 11 EPOSA – precise – in realtime Salzburg ..283 Steiermark..479 Tirol ...80 Vorarlberg....53 Niederöster.126 Kärnten ...104 Burgenland...68 Wien ..86 Oberöster 155 Osttirol ...85 Σ . .1519 Residual-raster time of measurement: 2 hours each point
  • 12. Seite 12 EPOSA – precise – in realtime Transformation-parameter-sets only one set of parameters for the whole area of Austria !
  • 13. Seite 13 EPOSA – precise – in realtime Services • Rover-equipment for rent • Training and practice • Support (on the telephone and on the spot) • Device tests from various manufacturers • Support to research and development • Cooperation for research-projects
  • 14. Seite 14 EPOSA – precise – in realtime Contact • Customer Care: Dipl.Ing. Christian Klug phone +43 (0)1 4004-32920 fax: +43 (0)1 4004-32999 christian.klug@eposa.at • Technical Support: Hotline: +43 (0) 4004-32930 info@eposa.at weekdays 07.30 – 18.00
  • 15. Seite 15 EPOSA – precise – in realtime Thank you for your attention !