ONS100SWE Site Information Form (site log)
International GNSS Service
See Instructions at:
https://files.igscb.org/pub/station/general/sitelog_instr.txt
0. Form
Prepared by (full name) : SWEPOS Control Centre
Date Prepared : 2022-12-07
Report Type : UPDATE
If Update:
Previous Site Log : ons100swe_20210319.log
Modified/Added Sections : 3.15, 3.16
1. Site Identification of the GNSS Monument
Site Name : Onsala
Four Character ID : ONS1
Monument Inscription :
IERS DOMES Number : 10402M007
CDP Number : (A4)
Monument Description : STEEL GRID MAST
Height of the Monument : 3.5 m
Monument Foundation : STEEL RODS
Foundation Depth : 0.45 m
Marker Description : Centre (drilled hole) and top of steel plate.
Date Installed : 2012-01-28
Geologic Characteristic : BEDROCK
Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
Bedrock Condition : FRESH
Fracture Spacing : over 200 cm
Fault zones nearby : (YES/NO/Name of the zone)
Distance/activity : (multiple lines)
Additional Information : Antenna electrically isolated from mast by
: 3 mm acrylic with exception for the brass screw
: fixing the antenna to the mast.
: Swedish permanent GNSS network (SWEPOS).
2. Site Location Information
City or Town : Onsala
State or Province : N/A
Country : Sweden
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 3370667.198
Y coordinate (m) : 711818.723
Z coordinate (m) : 5349787.879
Latitude (N is +) : +572343.19
Longitude (E is +) : +0115528.33
Elevation (m,ellips.) : 44.4
Additional Information : SWEREF 99 (Swedish realisation of ETRS89).
3. GNSS Receiver Information
3.1 Receiver Type : JAVAD TRE_G3TH DELTA
Satellite System : GPS+GLO
Serial Number : 00369
Firmware Version : 3.4.0 Dec,01,2011
Elevation Cutoff Setting : 5 deg
Date Installed : 2012-01-28
Date Removed : 2012-02-16
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.2 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 4.43
Elevation Cutoff Setting : 0 deg
Date Installed : 2012-02-16
Date Removed : 2012-06-14T13:30Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.3 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 4.60
Elevation Cutoff Setting : 0 deg
Date Installed : 2012-06-14T13:30Z
Date Removed : 2012-10-05
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.4 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 4.62
Elevation Cutoff Setting : 0 deg
Date Installed : 2012-10-05
Date Removed : 2013-03-22
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.5 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 4.70
Elevation Cutoff Setting : 0 deg
Date Installed : 2013-03-22
Date Removed : 2013-05-29
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.6 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 4.80
Elevation Cutoff Setting : 0 deg
Date Installed : 2013-05-29T15:00Z
Date Removed : 2014-03-24T09:30Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.7 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 4.85
Elevation Cutoff Setting : 0 deg
Date Installed : 2014-03-24T09:30Z
Date Removed : 2015-06-16T09:00Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.8 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 5.01
Elevation Cutoff Setting : 0 deg
Date Installed : 2015-06-16T09:00Z
Date Removed : 2015-12-09T13:00Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.9 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 5.10
Elevation Cutoff Setting : 0 deg
Date Installed : 2015-12-09T13:00Z
Date Removed : 2017-03-23T12:00Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.10 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 5.20
Elevation Cutoff Setting : 0 deg
Date Installed : 2017-03-23T12:00Z
Date Removed : 2018-01-09T12:00Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.11 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 5.30
Elevation Cutoff Setting : 0 deg
Date Installed : 2018-01-09T12:00Z
Date Removed : 2018-10-23T09:00Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.12 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 5.37
Elevation Cutoff Setting : 0 deg
Date Installed : 2018-10-23T09:00Z
Date Removed : 2019-11-05T22:40Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.13 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 5.43
Elevation Cutoff Setting : 0 deg
Date Installed : 2019-11-05T23:40Z
Date Removed : 2020-06-17T13:00Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.14 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5018K67252
Firmware Version : 5.45
Elevation Cutoff Setting : 0 deg
Date Installed : 2020-06-17T13:00Z
Date Removed : 2021-03-19T00:00Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.15 Receiver Type : TRIMBLE ALLOY
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5841R40051
Firmware Version : 5.45
Elevation Cutoff Setting : 0 deg
Date Installed : 2021-03-19T00:00Z
Date Removed : 2022-12-07T14:59Z
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.16 Receiver Type : TRIMBLE ALLOY
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 5841R40051
Firmware Version : 6.15
Elevation Cutoff Setting : 0 deg
Date Installed : 2022-12-07T15:00Z
Date Removed : CCYY-MM-DDThh:mmZ
Temperature Stabiliz. : 25.0 +/- 3.0
Additional Information : (multiple lines)
3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions)
Satellite System : (GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS)
Serial Number : (A20, but note the first A5 is used in SINEX)
Firmware Version : (A11)
Elevation Cutoff Setting : (deg)
Date Installed : (CCYY-MM-DDThh:mmZ)
Date Removed : (CCYY-MM-DDThh:mmZ)
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : (multiple lines)
4. GNSS Antenna Information
4.1 Antenna Type : LEIAR25.R3 LEIT
Serial Number : 08520002
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.0030
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : LEIT
Radome Serial Number :
Antenna Cable Type : AVA5-50 + CNT 400
Antenna Cable Length : 200 m
Date Installed : 2012-01-28
Date Removed : CCYY-MM-DDThh:mmZ
Additional Information : Antenna cable lengths are 185 m and 15 m,
: respectively.
: Antenna electrically isolated from mast by
: 3 mm acrylic with exception for the brass screw
: fixing the antenna to the mast.
4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions)
Serial Number : (A*, but note the first A5 is used in SINEX)
Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.)
Marker->ARP Up Ecc. (m) : (F8.4)
Marker->ARP North Ecc(m) : (F8.4)
Marker->ARP East Ecc(m) : (F8.4)
Alignment from True N : (deg; + is clockwise/east)
Antenna Radome Type : (A4 from rcvr_ant.tab; see instructions)
Radome Serial Number :
Antenna Cable Type : (vendor & type number)
Antenna Cable Length : (m)
Date Installed : (CCYY-MM-DDThh:mmZ)
Date Removed : (CCYY-MM-DDThh:mmZ)
Additional Information : (multiple lines)
5. Surveyed Local Ties
5.x Tied Marker Name :
Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : (A9)
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : (m)
dy (m) : (m)
dz (m) : (m)
Accuracy (mm) : (mm)
Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc)
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : (multiple lines)
6. Frequency Standard
6.1 Standard Type : INTERNAL
Input Frequency : (if external)
Effective Dates : 2012-01-28/2013-05-29
Notes : (multiple lines)
6.2 Standard Type : EXTERNAL H-MASER
Input Frequency : 10 MHz
Effective Dates : 2013-05-29/CCYY-MM-DD
Notes : External frequency was connected at 15:00 UTC.
6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc)
Input Frequency : (if external)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
7. Collocation Information
7.1 Instrumentation Type : VLBI
Status : PERMANENT
Effective Dates : 1980-01-01/CCYY-MM-DD
Notes : Also mobile VLBI.
7.2 Instrumentation Type : GNSS
Status : PERMANENT
Effective Dates : 1991-07-01/CCYY-MM-DD
Notes : IGS/EPN station ONSA 10402M004
7.3 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 1993-08-07/1993-08-10
Notes : (multiple lines)
7.4 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 1995-09-28/1995-09-29
Notes : (multiple lines)
7.5 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 1998-06-13/1998-06-14
Notes : (multiple lines)
7.6 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2003-06-14/2003-06-15
Notes : (multiple lines)
7.7 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2003-07-15/2003-07-16
Notes : (multiple lines)
7.8 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2004-10-25/2004-10-29
Notes : (multiple lines)
7.9 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2005-10-12/2005-10-14
Notes : (multiple lines)
7.10 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2006-10-08/2006-10-10
Notes : (multiple lines)
7.11 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2007-03-20/2007-03-22
Notes : Observation performed by Lantmateriet
7.12 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2007-05-09/2007-05-10
Notes : (multiple lines)
7.13 Instrumentation Type : SUPERCONDUCTING GRAVITY
Status : PERMANENT
Effective Dates : 2009-06-13/CCYY-MM-DD
Notes : (multiple lines)
7.14 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2009-06-30/2009-07-01
Notes : Observation performed by Lantmateriet
7.15 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2009-07-02/2009-07-05
Notes : Observation performed by Lantmateriet
7.16 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2010-06-30/2010-07-02
Notes : Observation performed by Lantmateriet
7.17 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2010-09-20/2010-09-23
Notes : Observation performed by Lantmateriet
7.18 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2011-06-29/2011-07-01
Notes : Observation performed by Lantmateriet
7.19 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2011-07-02/2011-07-04
Notes : Observation performed by Lantmateriet
7.20 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2013-04-22/2013-04-24
Notes : Observation performed by Lantmateriet
7.21 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 2013-04-29/2013-05-03
Notes : Observation performed by Lantmateriet
7.x Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc)
Status : (PERMANENT/MOBILE)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8. Meteorological Instrumentation
8.1.1 Humidity Sensor Model : HMP35D HUMICAP H-sensor
Manufacturer : VAISALA
Serial Number :
Data Sampling Interval : 1800 sec
Accuracy (% rel h) : 2 % rel h
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : 0 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 1997-04-01/CCYY-MM-DD
Notes : (multiple lines)
8.1.x Humidity Sensor Model :
Manufacturer :
Serial Number :
Data Sampling Interval : (sec)
Accuracy (% rel h) : (% rel h)
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.2.1 Pressure Sensor Model : Setra 361B
Manufacturer : Setra Systems
Serial Number :
Data Sampling Interval : 1800 sec
Accuracy : 0.5 hPa
Height Diff to Ant : 0 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 1991-07-01/CCYY-MM-DD
Notes : (multiple lines)
8.2.x Pressure Sensor Model :
Manufacturer :
Serial Number :
Data Sampling Interval : (sec)
Accuracy : (hPa)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.3.1 Temp. Sensor Model : HMP35D pt-100
Manufacturer : VAISALA
Serial Number :
Data Sampling Interval : 1800 sec
Accuracy : 0.1 deg C
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : 0 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 1997-04-01/CCYY-MM-DD
Notes : (multiple lines)
8.3.x Temp. Sensor Model :
Manufacturer :
Serial Number :
Data Sampling Interval : (sec)
Accuracy : (deg C)
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.4.1 Water Vapor Radiometer : Astrid
Manufacturer : Onsala Space Observatory
Serial Number :
Distance to Antenna : 8 m
Height Diff to Ant : 0 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 1991-07-01/CCYY-MM-DD
Notes : (multiple lines)
8.4.x Water Vapor Radiometer :
Manufacturer :
Serial Number :
Distance to Antenna : (m)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.5.x Other Instrumentation : (multiple lines)
9. Local Ongoing Conditions Possibly Affecting Computed Position
9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc)
Observed Degradations : (SN RATIO/DATA GAPS/etc)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Additional Information : (multiple lines)
9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Additional Information : (multiple lines)
9.3.x Signal Obstructions : (TREES/BUILDINGS/etc)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Additional Information : (multiple lines)
10. Local Episodic Effects Possibly Affecting Data Quality
10.x Date : (CCYY-MM-DD/CCYY-MM-DD)
Event : (TREE CLEARING/CONSTRUCTION/etc)
11. On-Site, Point of Contact Agency Information
Agency : Lantmäteriet, the Swedish mapping, cadastral
: and land registration authority
Preferred Abbreviation : LMV
Mailing Address : Lantmäteriet
: SE-801 82 Gävle
: Sweden
Primary Contact
Contact Name : SWEPOS Control Centre
Telephone (primary) : +46 26 63 37 53
Telephone (secondary) :
Fax :
E-mail : swepos@lm.se
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : (multiple lines)
12. Responsible Agency (if different from 11.)
Agency : (multiple lines)
Preferred Abbreviation : (A10)
Mailing Address : (multiple lines)
Primary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : (multiple lines)
13. More Information
Primary Data Center : BKG
Secondary Data Center : BEV
URL for More Information :
Hardcopy on File
Site Map : Y
Site Diagram : Y
Horizon Mask : N
Monument Description : Y
Site Pictures : Y
Additional Information : (multiple lines)
Antenna Graphics with Dimensions
LEIAR25.R3
+-------+ <-- 0.1995
/ \
+---+-------------+---+ <-- 0.1606 TCR
| |
|---------------------------|
|---------------------------------|
|---------------------------------------|
+---------------------------------------------+
| |
| |
+-+---------------------------------------------+-+
+-----------------+-------------+-----------------+ <-- 0.0320 BCR
| |
| |
+------x------+ <-- 0.0000 BPA=ARP
(5/8' thread might
differ from BPA!)
<-- 0.3802 -->
