NATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENSNATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENS
LABORATORY OF REMOTE SENSING
Research >

Continuous GPS Monitoring -  1 Hz

  • In 2006 continuous GPS monitoring was initialized by the installation of a GPS station in Riolos Village (RLSO) at NW Peloponnese in cooperation with National Observatory of Athens (NOA). 
  • Since 2007, another continuous GPS station has been established in the premises of the Geophysics Department of Athens University (UOA1).
  • In 2005 a CGPS station named VLSM  was established by NOA in the area of Valsamata in Cephallonia Island (Western Greece)

  • In July 2011 a station named SANT was established in Santorini Island, to study the Hellenic Volcanic Arc.  The hardware is provided by METRICA SA
Site Map

Data Processing

Data of the continuous GPS stations are processed automatically using the Precise Point Positioning Strategy (PPP)  of the Bernese Software v5.0 (Bernese Processing Engine – BPE)
(
Dach, R. Hugentobler, U. Fridez, P. and Meindl, M., 2007: Bernese GPS Software Version 5.0, Astronomical Institute, University of Bern, pp. 612).  

  • Station Coordinates (ITRF2005)
Epoch 2005.00

Station

Χ(m)

Υ(m)

Ζ(m)

σΧ(m)

σΥ(m)

σΖ(m)

UOA1
4607306.2225
2030605.3012
3902726.3029
0.0001
0.0001 0.0001
RLSO
4679939.0777
1840151.0590
3910407.6607
0.0001 0.0001 0.0001
VLSM
4699991.6925
1765547.6128
3921162.1720
0.0001
0.0001 0.0001

  • Station Velocities (ITRF2005)
  Epoch 2005.00

Station

Vx (m/yr)

Vy (m/yr)

Vz (m/yr)

σVx(m)

σVy(m)

σVz(m)

UOA1
-0.0157
0.0184
0.0090
0.0001 0.0001 0.0001
RLSO
-0.0152
0.0186
0.0094
0.0001 0.0001 0.0001
VLSM
-0.0149
0.0187
0.0095
0.0001 0.0001 0.000

   The Velocity Map of the three stations with respect to Europe and the Time Series can be found in the following Links:

Stations specifications 
Receiver type
: Leica GRX1200  (Leica System 1200)
Antenna type: LEIAX1202 
Data sampling rate: 1 sec -> High Frequency Rate: 1Hz
 


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Cephallonia, 600x500 jpg, 44 Kb Patras gulf, 600x415 jpg, 43 Kb Atalanti, 600x318 jpg, 49 Kb Crete 600x392 jpg, 45 Kb Santorini, 600x494 jpg, 45 Kb Kos – Yiali - Nisyros Athens – Saronikos