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ILRS Home  Stations Site Listing Zimmerwald
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Zimmerwald: Site Log
Instructions and Update Site Log
You can use the hyperlinks to quickly get to the section of interest or you can scroll down to read them all.
Section: 0. FormSection: 1. Identification of the Ranging System Reference Point (SRP)
Section: 2. Site Location Information
Section: 3. General System Information
Section: 4. Telescope Information
Section: 5. Laser System Information
Section: 6. Receiver System
Section: 7. Tracking Capabilities
Section: 8. Calibration
Section: 9. Time and Frequency Standards
Section: 10. Preprocessing Information
Section: 11. Aircraft Detection
Section: 12. Meteorological Instrumentation
Section: 13. Local Ties, Eccentricities, and Collocation Information
Section: 14. Local Events Possibly Affecting Computed Position
Section: 15. On-Site, Point of Contact Agency Information
Section: 16. Responsible Agency (if different from 15.)
Section: 17. More Information
ILRS Site and System Information Form
International Laser Ranging Service
0. Form
Prepared by (Full Name) : Martin Ploner
Preparer E-mail : martin.ploner@aiub.unibe.ch
Date Prepared : 2009-11-20
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Zimmerwald SLR
IERS DOMES Number : 14001S007
CDP Pad ID : 7810
Subnetwork : EUROLAS
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 1995-07-03
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : CONGLOMERATE
Additional Information : There is a Horizontal 5/8" standard thread
at the Az/El intersection
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2. Site Location Information
City or Town : Zimmerwald
State or Province : Bern
Country : Switzerland
Tectonic Plate : Eurasian
Approximate Position
X coordinate [m]: 4331283.7
Y coordinate [m]: 567549.7
Z coordinate [m]: 4633140.2
Latitude [deg]: 46.8772 N
Longitude [deg]: 7.4652 E
Elevation [m]: 951.2
Additional Information : (multiple lines)
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3. General System Information
3.01 System Name : ZIMLAT
4-Character Code : ZIML
CDP System Number : 68
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 0
East [m]: 0
Up [m]: 0
Date Measured : N.A.
Date Installed : 1995-07-03
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : RITCHE-CHRETIEN
Aperture [m]: 1.00
Mount : ALT-AZ
Xmitting Telescope Type : RITCHE-CHRETIEN
Aperture [m]: 1.00
Tracking Camera Type : ISIT TV
Model : JAI 743
Manufacturer : JAI
Field of View [deg]: 0.5
Minimum Magnitude [mag]: 15
Transmit/Receive Path : COMMON COUDE
Transmit/Receive Switch : PERFORATED MIRROR
Max Slew Rate Az [deg/s]: 30
Max Slew Rate El [deg/s]: 15
Max Used Tracking Rate Az : ~10
Max Used Tracking Rate El : 1
Telescope Shelter : DOME
Daylight Filter Type : Fabry-Perot
Dayl. Filt. Bandwidth [nm]: 0.1
Adjustable Attenuation : YES
Transmit Efficiency : 0.85
Receive Efficiency : 0.55
Date Installed : 1995-07-03
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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5. Laser System Information
5.01 Laser Type : TI:Sapphire
Number of Amplifiers : 3
Primary Wavelength [nm]: 846
Primary Maximum Energy [mJ]: 100
Secondary Wavelength [nm]: 423
Secondary Max. Energy [mJ]: 40
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 300
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 1 - 30
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Date Installed : 1996-02-01
Date Removed : 2001-03-09
Additional Information : Pulse width was not according to specs
(verified with streak camera end of 2000)
5.02 Laser Type : TI:Sapphire
Number of Amplifiers : 3
Primary Wavelength [nm]: 846
Primary Maximum Energy [mJ]: 100
Secondary Wavelength [nm]: 423
Secondary Max. Energy [mJ]: 40
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 100
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 1 - 30
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Date Installed : 2001-03-09
Date Removed : 2003-09-05
Additional Information : New etalon installed on 9 March 2001
5.03 Laser Type : TI:Sapphire
Number of Amplifiers : 3
Primary Wavelength [nm]: 846
Primary Maximum Energy [mJ]: 100
Secondary Wavelength [nm]: 423
Secondary Max. Energy [mJ]: 40
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 100
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 1 - 30
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Date Installed : 2003-09-05
Date Removed : 2008-02-18
Additional Information : MEDOX replaced. Effect: Lower single shot rms
(50 ps for 423 nm SPAD calibration
80 ps for 423 nm SPAD Lageos)
5.04 Laser Type : Neodyme:YAG
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064.2
Primary Maximum Energy [mJ]: 24
Secondary Wavelength [nm]: 532.1
Secondary Max. Energy [mJ]: 10
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 60
Max. Repetition Rate [Hz]: 110
Fullw. Beam Divergence ["]: 1 - 30
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Date Installed : 2008-03-04
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 423
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H 6533
Quantum Efficiency [%]: 22
Nominal Gain : 2E+06
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View ["]: 10 to 30
Date Installed : 1997-01-01
Date Removed : 2003-03-11 10:00 UT
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed : 2003-03-11 10:00 UT
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #0236
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : The transmitted energy is controlled
which affects all return chains of the
same wavelength.
Since 29-May-02 counter calibration
values relative to the Herstmonceux
reference are applied to the observations.
6.01.02 Primary Chain
Wavelength [nm]: 423
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model : 4010
Quantum Efficiency [%]: 18
Nominal Gain : 10E9
Rise Time [ps]: unknown
Jitter (Single PE)[ps]: 30
Field of View ["]: >8
Date Installed : 2003-03-11 10:00 UT
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2003-03-11 10:00 UT
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #0236
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed : 2004-12-28 12:00 UT
Additional Information : The transmitted energy is controlled
which affects all return chains of the
same wavelength.
Since 29-May-02 counter calibration
values relative to the Herstmonceux
reference are applied to the observations.
6.01.03 Primary Chain
Wavelength [nm]: 423
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model : 4010
Quantum Efficiency [%]: 18
Nominal Gain : 10E9
Rise Time [ps]: unknown
Jitter (Single PE)[ps]: 30
Field of View ["]: >8
Date Installed : 2003-03-11 10:00 UT
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2003-03-11 10:00 UT
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #3113
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 2004-12-28 12:00 UT
Date Removed : 2006-02-03 16:00 UT
Additional Information : The received energy is controlled
which affects all return chains of the
same wavelength.
Since 29-May-02 counter calibration
values relative to the Herstmonceux
reference are applied to the observations.
6.01.04 Primary Chain
Wavelength [nm]: 423
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model : 4010
Quantum Efficiency [%]: 18
Nominal Gain : 10E9
Rise Time [ps]: unknown
Jitter (Single PE)[ps]: 30
Field of View ["]: >8
Date Installed : 2003-03-11 10:00 UT
Date Removed : 2006-02-18
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2003-03-11 10:00 UT
Date Removed : 2006-02-18
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : Event Timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2006-02-03 16:00 UT
Date Removed : 2006-02-18
Additional Information : The received energy is controlled
which affects all return chains of the
same wavelength.
6.01.05 Primary Chain
Wavelength [nm]: 532
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model : 4010
Quantum Efficiency [%]: 18
Nominal Gain : 10E9
Rise Time [ps]: unknown
Jitter (Single PE)[ps]: 30
Field of View ["]: >8
Date Installed : 2008-03-04
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2008-03-04
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : Event Timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2008-03-04
Date Removed : (yyyy-mm-dd)
Additional Information : The received energy is controlled
which affects all return chains of the
same wavelength.
6.02.01 Secondary Chain
Wavelength [nm]: 423
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model : 4010
Quantum Efficiency [%]: 18
Nominal Gain : 10E9
Rise Time [ps]: unknown
Jitter (Single PE)[ps]: 30
Field of View ["]: >8
Date Installed : 1997-01-01
Date Removed : 2003-03-11 10:00 UT
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 1997-01-01
Date Removed : 2003-03-11 10:00 UT
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #2282
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : Used for test purposes only
6.02.02 Secondary Chain
Wavelength [nm]: 423
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H 6533
Quantum Efficiency [%]: 22
Nominal Gain : 2E+06
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View ["]: 10 to 30
Date Installed : 2003-03-11 10:00 UT
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #0236
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 2003-03-11
Date Removed : 2004-12-28
Additional Information : Used for test purposes only
6.02.03 Secondary Chain
Wavelength [nm]: 423
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H 6533
Quantum Efficiency [%]: 22
Nominal Gain : 2E+06
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View ["]: 10 to 30
Date Installed : 2003-03-11 10:00 UT
Date Removed : 2006-02-18
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed : 2006-02-18
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : Event Timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2006-02-03 16:00 UT
Date Removed : 2006-02-18
Additional Information : Used for test purposes only
6.02.04 Secondary Chain
Wavelength [nm]: 423
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H 6533
Quantum Efficiency [%]: 22
Nominal Gain : 2E+06
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View ["]: 10 to 30
Date Installed : 2008-03-04
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2008-03-04
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : Event Timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2008-03-04
Date Removed : (yyyy-mm-dd)
Additional Information : Used for test purposes only
6.03.01 Tertiary Chain
Wavelength [nm]: 846
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model : Zimmerwald-01
Quantum Efficiency [%]: 15
Nominal Gain : 10E9
Rise Time [ps]: ?
Jitter (Single PE)[ps]: 39
Field of View ["]: 8 - ??
Date Installed : 1997-01-01
Date Removed : 2002-01-01
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 1997-01-01
Date Removed : 2002-01-01
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #2282
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : The transmitted energy is controlled
which affects all return chains of
the same wavelength
6.03.02 Tertiary Chain
Wavelength [nm]: 846
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H7422P-50
Quantum Efficiency [%]: ?
Nominal Gain : 5E+05
Rise Time [ps]: 1000
Jitter (Single PE)[ps]: 200
Field of View ["]: 8 - 30
Date Installed : 2002-01-01
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #3113
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : The transmitted energy is controlled
which affects all return chains of
the same wavelength.
Counter calibration values relative
to the Herstmonceux reference are applied
to the observations.
Infrared data submitted to ILRS since
August 14, 2002
6.03.04 Tertiary Chain
Wavelength [nm]: 846
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H7422P-50
Quantum Efficiency [%]: ?
Nominal Gain : 5E+05
Rise Time [ps]: 1000
Jitter (Single PE)[ps]: 200
Field of View ["]: 8 - 30
Date Installed : 2002-01-01
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #0236
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 2004-12-28
Date Removed : 2006-03-22 11:00 UT
Additional Information : The transmitted energy is controlled
which affects all return chains of
the same wavelength.
Counter calibration values relative
to the Herstmonceux reference are applied
to the observations.
Infrared data submitted to ILRS since
August 14, 2002
Since 03-Feb-2006 counter calibration
values relative to the A032ET event timer
are applied.
6.03.05 Tertiary Chain
Wavelength [nm]: 846
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H7422P-50
Quantum Efficiency [%]: ?
Nominal Gain : 5E+05
Rise Time [ps]: 1000
Jitter (Single PE)[ps]: 200
Field of View ["]: 8 - 30
Date Installed : 2002-01-01
Date Removed : 2006-02-18
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed : 2006-02-18
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Few Photons
Time of Flight Observ. : Event timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2006-03-22 11:00 UT
Date Removed : 2006-02-18
Additional Information : The transmitted energy is controlled
which affects all return chains of
the same wavelength.
Currently this chain is not in operation.
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : NO
GPS : NIGHT
Moon : NO
Avge Pass Switch Time [s]: 20
Average values for Lageos
Single Shot RMS [mm]: 23
# of Obs per NP : 150
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 20 - 50000
Beam Pointing Accuracy ["]: 2
Angle Encoder Resolution["]: 36 optically, .09 after electronical interpolation (100x4)
Min. Tracking Elev. [deg]: 20
Operation
Months per Year : 11
Days per Week : 7
Hours per Day : 12
Staff per Shift : 1
System Shared With : R&D+ASTROMETRY+SPACE DEBRIS
Time Allocated to SLR [%]: 70 during night, 50 during day
Remotely Controllable : YES
Date First Applicable : 1999-01-01
Date Last Applicable : 2002-08-08
Additional Information : (multiple lines)
7.02 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : YES
GPS : Night
Moon : NO
Avge Pass Switch Time [s]: 15
Average values for Lageos
Single Shot RMS [mm]: 23
# of Obs per NP : 150
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 40 - 50000
Beam Pointing Accuracy ["]: 2
Angle Encoder Resolution["]: 36 optically, .09 after electronical interpolation (100x4)
Min. Tracking Elev. [deg]: 20
Operation
Months per Year : 11
Days per Week : 7
Hours per Day : 20
Staff per Shift : 1
System Shared With : R&D+ASTROMETRY+SPACE DEBRIS
Time Allocated to SLR [%]: 70 during night, 100 during day
Remotely Controllable : YES
Date First Applicable : 2002-08-09
Date Last Applicable : 2003-05-01
Additional Information : System runs about 10-20 % in automatic mode
7.03 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : YES
GPS : DAY
Moon : NO
Avge Pass Switch Time [s]: 15
Average values for Lageos
Single Shot RMS [mm]: 15
# of Obs per NP : 150
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 40 - 50000
Beam Pointing Accuracy ["]: 2
Angle Encoder Resolution["]: 36 optically, .09 after electronical interpolation (100x4)
Min. Tracking Elev. [deg]: 10 - 20
Operation
Months per Year : 11
Days per Week : 7
Hours per Day : 20
Staff per Shift : 1
System Shared With : R&D+ASTROMETRY+SPACE DEBRIS
Time Allocated to SLR [%]: 70 during night, 100 during day
Remotely Controllable : YES
Date First Applicable : 2003-05-02
Date Last Applicable : 2006-02-18
Additional Information : System runs about 10-20 % in automatic mode.
Minimum elevation is azimuth-dependent.
(10 deg north and south,
20 deg east and west)
7.04 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : YES
GPS : YES
Moon : NO
Avge Pass Switch Time [s]: 15
Average values for Lageos
Single Shot RMS [mm]: 10
# of Obs per NP : 1000
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 40 - 50000
Beam Pointing Accuracy ["]: 2
Angle Encoder Resolution["]: 36 optically, .09 after electronical interpolation (100x4)
Min. Tracking Elev. [deg]: 10 - 20
Operation
Months per Year : 11
Days per Week : 7
Hours per Day : 24
Staff per Shift : 1
System Shared With : R&D+ASTROMETRY+SPACE DEBRIS
Time Allocated to SLR [%]: 70 during night, 100 during day
Remotely Controllable : YES
Date First Applicable : 2008-03-04
Date Last Applicable : (yyyy-mm-dd)
Additional Information : System runs about 20 % in automatic mode.
Minimum elevation is azimuth-dependent.
(10 deg north and south,
20 deg east and west)
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8. Calibration
8.01 Calibration Type : REALTIME
Target Location : INTERNAL
Target Type : Mirror
Target Structure : Small mirror on Microcontrol mount on
an optical bench
Target Distance [m]: -4.16
Date Measured : (yyyy-mm-dd)
Accuracy (mm) [mm]: 3
Verification : Weekly comparison with external target
Return-rate Controlled : (YES/NO)
Mode of Operation : Single to Few Photons
Average Cal Interval [min]: 1
Single Shot RMS [mm]: 20
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : ITERATIVE 2.0 SIGMA
Application of Cal Data : AVERAGE
Date Installed : 1997-01-01
Date Removed : 2006-06-21 (decommissioned, still exists)
Additional Information : Internal target, the range of which is not
directly observable with geodetic means.
Two external targets are available at
distances of 2.5 m (within dome) and
659 m.
8.02 Calibration Type : PRE- OR POST CALIBRATION
Target Location : External
Target Type : Corner Cube
Target Structure : Fixed on wall of a house
Target Distance [m]: 659
Date Measured : 2003-10-06
Accuracy (mm) [mm]: 3
Verification : Repeated surveys (every few years)
Return-rate Controlled : YES
Mode of Operation : Single to few Photons
Average Cal Interval [min]: 45
Single Shot RMS [mm]: 10
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : ITERATIVE 2.0 SIGMA
Application of Cal Data : AVERAGE
Date Installed : 2006-06-21 (commissioned, was installed 1995)
Date Removed : (yyyy-mm-dd)
Additional Information : Calibration scheme was changed from internal to external
due to unexplained difficulties with internal infrared
calibration variations on June 21, 2006
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : Oven Controlled Crystal Oscillator
Model : BVA 8600 Version 3
Manufacturer : Oscilloquartz
Short Term Stab. [e-12]: 0.5
Long Term Stab. [e-12]: 20
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 100
Date Installed : 1997-07-01
Date Removed : (yyyy-mm-dd)
Additional Information : long term stability is
with daily correction
9.02.01 GPS Timing Rcvr Model : XL-DC 151-602-159
Manufacturer : TrueTime
Date Installed : 1995-08-16
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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10. Preprocessing Information
10.01 On-site NP Generation : YES
Data Screening : NUMERICAL INTEGRATION and GAUSSIAN FIT
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : ITERATIVE 2.0 SIGMA
Upload interval : After each pass
Date First Applicable : 1997-01-01
Date Last Applicable : (yyyy-mm-dd)
Additional Information : ITERATIVE 2.5 SIGMA for
Edit Criterion 3rd Chain
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11. Aircraft Detection
11.01 Detection Type : RADAR and ATC DATA
Date Installed : 1997-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : Air traffic control data.
Radar used for near aircraft.
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : Digiquartz 740-16B
Manufacturer : Paroscientific
Recording Interval : EVERY 30 MINUTES
Accuracy [mbar]: 0.2
Height Diff to SRP [m]: 2
Date Installed : 1997-01-01
Calibration Interval : Every few years
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.02 Temp Sensor Model : PT100 MP409A
Manufacturer : Rotronic
Recording Interval : EVERY 30 MINUTES
Accuracy [deg C]: 0.3
Date Installed : (yyyy-mm-dd hh:mm UT)
Calibration Interval : Every few years
Date Removed : 2003-01-23 14:30 UT
Additional Information : The temperature sensor also developed
problems in 2003. Could be wrong a few
degrees towards the end of its lifetime
12.02.02 Temp Sensor Model : PT100 MP409A
Manufacturer : Rotronic
Recording Interval : EVERY 30 MINUTES
Accuracy [deg C]: 0.3
Date Installed : 2003-01-23 14:30 UT
Calibration Interval : Every few years
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : SERIAL # 26789 001
12.03.01 Humidity Sensor Model : Hygromer C94 MP409A
Manufacturer : Rotronic
Recording Interval : EVERY 30 MINUTES
Accuracy [% rel h]: 2
Date Installed : 1997-05-01
Calibration Interval : (YEARLY/MONTHLY/etc)
Date Removed : 2003-01-23 14:30 UT
Additional Information : Sensor developed problems in the
second half of 2003, showing more
and more 100 % humidity
12.03.02 Humidity Sensor Model : Hygromer C94 MP409A
Manufacturer : Rotronic
Recording Interval : EVERY 30 MINUTES
Accuracy [% rel h]: 2
Date Installed : 2003-01-23 14:30 UT
Calibration Interval : (YEARLY/MONTHLY/etc)
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : SERIAL # 26789 001
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : IGS+EUREF
Date Installed : 1988-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
GLONASS : IGLOS
Date Installed : 1998-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
DORIS : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
PRARE : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : EARTH TIDE
Date Installed : 1995-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : Operated by ETH Zuerich
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : L+T 88 (ZIMM)
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 14001M004
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: 13.505 +- 0.001
dy [m]: 5.986 +- 0.001
dz [m]: -6.421 +- 0.001
Date Measured : 1999-01-12
Determined by : Federal Office of Topography
Date Installed : 1988-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : IGS/EUREF permanent station
13.02.02 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : Old Laser Telescope
Instrumentation Type : SLR
Instrumentation Status : PERMANENT
DOMES Number : 14001S001
CDP Number : 7810
Differential Components (ITRS)
dx [m]: -0.173 +- 0.001
dy [m]: -0.026 +- 0.001
dz [m]: -0.180 +- 0.001
Date Measured : 1999-01-12
Determined by : Federal Office of Topography
Date Installed : 1976-01-01
Date Removed : 1995-05-01
Additional Information : Result from old survey fit into new one.
Intersection of axes of old system was
0.251 m below the one of the new system.
13.02.03 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : GPS87
Instrumentation Type : GPS
Instrumentation Status : NON PERMANENT
DOMES Number : 14001M003
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: 10.012 +- 0.001
dy [m]: -7.833 +- 0.001
dz [m]: -4.292 +- 0.001
Date Measured : 1999-01-12
Determined by : Federal Office of Topography
Date Installed : 1987
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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14. Local Events Possibly Affecting Computed Position
14.01 Date : (yyyy-mm-dd hh:mm UT)
Event : (EARTHQUAKE/CONSTRUCTION/etc)
Additional Information : (multiple lines)
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15. On-Site, Point of Contact Agency Information
Agency : Astronomical Institute
University of Bern
Mailing Address : Sidlerstrasse 5
CH-3012 Bern
Primary Contact
Contact Name : Martin Ploner
Telephone (primary) : ++41-31-6318819 (Institute)
Telephone (secondary) : ++41-31-8190050 (Observatory)
Fax : ++41-31-6313869
E-mail : martin.ploner@aiub.unibe.ch
Secondary Contact
Contact Name : Elmar Brockmann
Telephone (primary) : ++41-31-9632256
Telephone (secondary) : ++41-31-9632211
Fax : ++41-31-9632459
E-mail : elmar.brockmann@lt.admin.ch
Additional Information : Federal Office of Topography
Seftigenstrasse 264
CH-3084 Wabern
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16. Responsible Agency (if different from 15.)
Agency : (multiple lines)
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)
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17. More Information
URL for More Information : www.aiub.unibe.ch
Hardcopy on File
Site Map : YES
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : YES
Additional Information : (multiple lines)
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