Contributing agency

Station summarySUR4

  • More informations on each symbol.
  • GPS
    Tide Gauge
IGS-type acronym : SUR4
Latitude : 59.46356944
Longitude : 24.38025278
Installed date : 2011-09-21
Decommissioned date :
Country : ESTONIA
Station status : active (green)
Distance to Tide Gauge (m) : 22418
Domes Nr.: 10601M002
Station operator: (ELB) - Estonian Land Board
IGS-like station form :

GPS position times seriesSUR4


(Reference epoch: )

Offsets (mm)

MMaterial change or malfunction
RFReference Frame change
NANot available
Position discontinuity
Velocity discontinuity
Vertical component
East component
North Component

Data available at SONELSUR4

Quality plots on RINEX filesSUR4

Quality plots on RINEX files of SUR4 Quality plots on RINEX files of SUR4 Royal Observatory of Belgium

Plots generated using software developed with the EPN team at ROB
Observations & tracking performance Satellite tracking

informations (this operation may take 20 to 45s)

The satellite tracking graph has been calculated for all stations for the first day of each month. If you wish to have a graph for another date, choose the 'Calculate a specific date' option.

Co-located instrumentsSUR4

Photo albumSUR4

Log bookSUR4

[EUREFmail-10220] - 2020-04-14 (14/04/2020)

The submission of RINEX2 data from sites KURE, SUR4, TOIL and TOR2 will be stopped on April 14, 2020.

[EUREFmail-10209] - 2020-04-06 (14/04/2020)

The Measurement Engine (ME) of Leica GR25 receivers has been updated from 6.712 to 6.713.
Log files of KURE, SUR4, TOIL and TOR2 have been updated.

[EUREFmail-09992] - 2019-09-30 (01/10/2019)

The firmware of the Leica GR25 receivers in KURE, SUR4, TOIL and TOR2 has been upgraded. Updated site logs are available at M3G.

[EUREFmail-9372] - 2018-04-19 (20/04/2018)

Estonian GNSS stations SUR4, TOR2, TOIL, KURE are unavailable until the further notice due to the problems with servers. IT department is trying to solve problems as soon as possible.

[EUREFmail-9023] - 2017-05-25 (29/05/2017)

ELB will change the antenna in SUR4 on 26.05.2017 from 07.00-09.00 by UTC.
For the mentioned time the station will be unavailable.

[EUREFmail-8827] - 2016-12-16 (16/12/2016)

Yesterday 12:00 UTC we activated GALILEO in all our stations.
Site logs of all stations have been updated.

[EUREFmail-7890] - 2015-04-13 (29/05/2015)

Due to power failure hourly data files from 100m to 103h in TOIL
and from 101i to 103g in SUR4 are definitely lost.