ILRS Site and System Information Form
International Laser Ranging Service
0. Form
Prepared by (Full Name) : Pierre Lauber
Preparer E-mail : pierre.lauber@unibe.ch
Date Prepared : 2025-02-17
Report Type : UPDATE
Site Log Format Version : 2.0
Site Log Revision :
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 :
Geologic Characteristic : CONGLOMERATE
Additional Information : There is a Horizontal 5/8" standard thread
: at the Az/El intersection
2. Site Location Information
City or Town : Zimmerwald
State or Province : Bern
Country : Switzerland
Tectonic Plate : Eurasian
Local Time (UTC +/- hours) :
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
Survey Method :
Date Measured :
Additional Information :
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]:
East [m]:
Up [m]:
Date Measured : N.A.
Date Installed : 1995-07-03
Date Removed :
Additional Information :
4. Telescope Information
4.01 Receiving Telescope Type : RITCHE-CHRETIEN
Aperture [m]: 1.00
Mount : ALT-AZ
Date Installed :
Date Removed :
Xmitting Telescope Type : RITCHE-CHRETIEN
Aperture [m]: 1.00
Date Installed :
Date Removed :
Tracking Camera Type : sCMOS
Model : Neo
Manufacturer : Andor
Field of View [deg]:
Minimum Magnitude [mag]:
Date Installed :
Date Removed :
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
Adjustable Field of View :
Transmit Efficiency : 0.85
Receive Efficiency : 0.55
Date Installed : 1995-07-03
Date Removed :
Additional Information :
5. Laser System Information
5.01 Laser Type : TI:SAP
Model :
Manufacturer :
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
Additional Information :
Pulse Width (FWHM) [ps]: 300
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
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:SAP
Model :
Manufacturer :
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
Additional Information :
Pulse Width (FWHM) [ps]: 100
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2001-03-09
Date Removed : 2003-09-05
Additional Information : New etalon installed on 9 March 2001
5.03 Laser Type : TI:SAP
Model :
Manufacturer :
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
Additional Information :
Pulse Width (FWHM) [ps]: 100
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
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 : ND:YAG
Model :
Manufacturer :
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
Additional Information :
Pulse Width (FWHM) [ps]: 60
Max. Repetition Rate [Hz]: 110
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2008-03-04
Date Removed : 2012-01-27
Additional Information : Event Timer ET32 #3203 replaced by
: ET32 #3207
5.05 Laser Type : ND:YAG
Model :
Manufacturer :
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
Additional Information :
Pulse Width (FWHM) [ps]: 60
Max. Repetition Rate [Hz]: 110
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2012-01-27
Date Removed : 2013-01-15
Additional Information : SHG crystal replaced.
5.06 Laser Type : ND:YAG
Model :
Manufacturer :
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
Additional Information :
Pulse Width (FWHM) [ps]: 60
Max. Repetition Rate [Hz]: 110
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2013-01-16
Date Removed : 2013-02-13
Additional Information : Double path amplifier DPCH 256
: replaced by DPCH 236. Effect is lower single
: pulse energy (about 19 mJ @ 1064 nm,
: 8 mJ @ 532 nm)
5.07 Laser Type : ND:YAG
Model :
Manufacturer :
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064.2
Primary Maximum Energy [mJ]: 19
Secondary Wavelength [nm]: 532.1
Secondary Max. Energy [mJ]: 8
Xmit Energy Adjustable : YES
Additional Information :
Pulse Width (FWHM) [ps]: 60
Max. Repetition Rate [Hz]: 110
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2013-02-14
Date Removed : 2014-07-21
Additional Information : Double path amplifier DPCH 236
: replaced by a new DPCH 256. Effect is higher
: single pulse energy (about 24 mJ @ 1064 nm,
: 10 mJ @ 532 nm)
5.08 Laser Type : ND:YAG
Model :
Manufacturer :
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
Additional Information :
Pulse Width (FWHM) [ps]: 60
Max. Repetition Rate [Hz]: 110
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2014-07-22
Date Removed : 2017-02-07
Additional Information : Double path amplifier DPCH 256
: replaced by DPCH 236. Effect is lower single
: pulse energy (about 22 mJ @ 1064 nm,
: 8 mJ @ 532 nm)
5.09 Laser Type : ND:YAG
Model :
Manufacturer :
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064.2
Primary Maximum Energy [mJ]: 22
Secondary Wavelength [nm]: 532.1
Secondary Max. Energy [mJ]: 8
Xmit Energy Adjustable : YES
Additional Information :
Pulse Width (FWHM) [ps]: 60
Max. Repetition Rate [Hz]: 110
Fullw. Beam Divergence ["]: 1 - 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z 136.1-1976
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2017-02-07
Date Removed :
Additional Information :
5.10 Laser Type : ND:YAG
Model : COMPILER UPGRADE
Manufacturer : PASSAT
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064.2
Primary Maximum Energy [mJ]: 1.6
Secondary Wavelength [nm]: 532.1
Secondary Max. Energy [mJ]: 0.7
Xmit Energy Adjustable : NO
Additional Information :
Pulse Width (FWHM) [ps]: 8
Max. Repetition Rate [Hz]: 1000
Fullw. Beam Divergence ["]: 40
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI Z136.1-2014
Polarization on Exit :
Laser Fire Control :
Laser Energy Monitor :
Start Diode Type :
Manufactorer :
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed :
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2024-08-21
Date Removed :
Additional Information :
6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 423
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H 6533
Quantum Efficiency [%]: 22
Nominal Gain : 2e6
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View Diam ["]: 10 - 30
Date Installed : 1997-01-01
Date Removed : 2003-03-11
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed : 2003-03-11
Amplitude Measurement : YES
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #0236
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed :
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 : 0410
Quantum Efficiency [%]: 18
Nominal Gain : 1e10
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 30
Field of View Diam ["]: 9
Date Installed : 2003-03-11
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2003-03-11
Date Removed :
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
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
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 : 0410
Quantum Efficiency [%]: 18
Nominal Gain : 1e10
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 30
Field of View Diam ["]: 9
Date Installed : 2003-03-11
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2003-03-11
Date Removed :
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #3113
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 2004-12-28
Date Removed : 2006-02-03
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 : 0410
Quantum Efficiency [%]: 18
Nominal Gain : 1e10
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 30
Field of View Diam ["]: 9
Date Installed : 2003-03-11
Date Removed : 2006-02-18
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2003-03-11
Date Removed : 2006-02-18
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
Time of Flight Observ. : Event Timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2006-02-03
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 : 0410
Quantum Efficiency [%]: 18
Nominal Gain : 1e10
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 30
Field of View Diam ["]: 9
Date Installed : 2008-03-04
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 2008-03-04
Date Removed :
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
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 :
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 : 0410
Quantum Efficiency [%]: 18
Nominal Gain : 1e10
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 30
Field of View Diam ["]: 9
Date Installed : 1997-01-01
Date Removed : 2003-03-11
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 1997-01-01
Date Removed : 2003-03-11
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #2282
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed :
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 : 2e6
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View Diam ["]: 10 - 30
Date Installed : 2003-03-11
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed :
Amplitude Measurement : YES
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
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 : 2e6
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View Diam ["]: 10 - 30
Date Installed : 2003-03-11
Date Removed : 2006-02-18
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
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
Additional Information:
Time of Flight Observ. : Event Timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2006-02-03
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 : 2e6
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 160
Field of View Diam ["]: 10 - 30
Date Installed : 2008-03-04
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2008-03-04
Date Removed :
Amplitude Measurement : YES
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
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 :
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 : 1e10
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 39
Field of View Diam ["]: 8
Date Installed : 1997-01-01
Date Removed : 2002-01-01
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
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
Additional Information:
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #2282
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed :
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 [%]: N.A.
Nominal Gain : 5e5
Rise Time [ps]: 1000
Jitter (Single PE)[ps]: 200
Field of View Diam ["]: 8 - 30
Date Installed : 2002-01-01
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed :
Amplitude Measurement : YES
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620 #3113
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1997-01-01
Date Removed :
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
6.03.03 Tertiary Chain
Wavelength [nm]: 846
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H7422P-50
Quantum Efficiency [%]: N.A.
Nominal Gain : 5e5
Rise Time [ps]: 1000
Jitter (Single PE)[ps]: 200
Field of View Diam ["]: 8 - 30
Date Installed : 2002-01-01
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-01-01
Date Removed :
Amplitude Measurement : YES
Return-Rate Controlled: YES
Mode of Operation : Single to Few Photons
Additional Information:
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
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.
6.03.04 Tertiary Chain
Wavelength [nm]: 846
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H7422P-50
Quantum Efficiency [%]: N.A.
Nominal Gain : 5e5
Rise Time [ps]: 1000
Jitter (Single PE)[ps]: 200
Field of View Diam ["]: 8 - 30
Date Installed : 2002-01-01
Date Removed : 2006-02-18
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
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
Additional Information:
Time of Flight Observ. : Event timer
Manufacturer : IECS Riga
Model : A032ET #3203
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2006-03-22
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.
7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
LAGEOS/LARES : YES
GLONASS : YES
Etalon : NO
GNSS : NIGHT
Geosynchronous :
Moon : NO
Ave. 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 optic., .09 after electr. interp. (100x4)
Min. Tracking Elev. [deg]: 20
Laser Polarization @emitter:
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 [%]: 75
Remotely Controllable : YES
Tracking Restrictions
Go/No-go flag :
Satellite Verification :
Date Verified :
Maximum elevation :
Satellite Verification :
Date Verified :
Pass segments :
Satellite Verification :
Date Verified :
Schedule segments :
Satellite Verification :
Date Verified :
Maximum laser power limit:
Satellite Verification :
Date Verified :
Date First Applicable : 1999-01-01 HH:MM UT
Date Last Applicable : 2002-08-08 HH:MM UT
Additional Information : Time Allocated to SLR is daytime-dependent.
: (50% during night, 100% during day)
7.02 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
LAGEOS/LARES : YES
GLONASS : YES
Etalon : YES
GNSS : NIGHT
Geosynchronous :
Moon : NO
Ave. 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 optic., .09 after electr. interp. (100x4)
Min. Tracking Elev. [deg]: 20
Laser Polarization @emitter:
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 [%]: 75
Remotely Controllable : YES
Tracking Restrictions
Go/No-go flag :
Satellite Verification :
Date Verified :
Maximum elevation :
Satellite Verification :
Date Verified :
Pass segments :
Satellite Verification :
Date Verified :
Schedule segments :
Satellite Verification :
Date Verified :
Maximum laser power limit:
Satellite Verification :
Date Verified :
Date First Applicable : 2002-08-09 HH:MM UT
Date Last Applicable : 2003-05-01 HH:MM UT
Additional Information : System runs about 10-20 % in automatic mode
: Time Allocated to SLR is daytime-dependent.
: (50% during night, 100% during day)
7.03 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
LAGEOS/LARES : YES
GLONASS : YES
Etalon : YES
GNSS : DAY
Geosynchronous :
Moon : NO
Ave. 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 optic., .09 after electr. interp. (100x4)
Min. Tracking Elev. [deg]: 15
Laser Polarization @emitter:
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 [%]: 75
Remotely Controllable : YES
Tracking Restrictions
Go/No-go flag :
Satellite Verification :
Date Verified :
Maximum elevation :
Satellite Verification :
Date Verified :
Pass segments :
Satellite Verification :
Date Verified :
Schedule segments :
Satellite Verification :
Date Verified :
Maximum laser power limit:
Satellite Verification :
Date Verified :
Date First Applicable : 2003-05-02 HH:MM UT
Date Last Applicable : 2006-02-18 HH:MM UT
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)
: Time Allocated to SLR is daytime-dependent.
: (50% during night, 100% during day)
7.04 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
LAGEOS/LARES : YES
GLONASS : YES
Etalon : YES
GNSS : YES
Geosynchronous :
Moon : NO
Ave. 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 optic., .09 after electr. interp. (100x4)
Min. Tracking Elev. [deg]: 15
Laser Polarization @emitter:
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 [%]: 75
Remotely Controllable : YES
Tracking Restrictions
Go/No-go flag :
Satellite Verification :
Date Verified :
Maximum elevation :
Satellite Verification :
Date Verified :
Pass segments :
Satellite Verification :
Date Verified :
Schedule segments :
Satellite Verification :
Date Verified :
Maximum laser power limit:
Satellite Verification :
Date Verified :
Date First Applicable : 2008-03-04 HH:MM UT
Date Last Applicable :
Additional Information : System runs about 20 % in automatic mode.
: Minimum elevation is azimuth-dependent.
: (10 deg north and south,
: 20 deg east and west)
: Time Allocated to SLR is daytime-dependent.
: (50% during night, 100% during day)
8. Calibration
8.01 Calibration Type : REALTIME
Target Location : INTERNAL
Target Type : Mirror
Target Structure : Small mirror on Microcontrol mount on
: an optical bench
Number of Targets :
Target Distance(s) [m]: -4.16
Date Measured :
Accuracy [mm]: 3
Verification : Weekly comparison with external target
Return-Rate Controlled :
Eye-Safe Method :
Additional Information :
Mode of Operation : SINGLE/FEW PHOTON
Calibration performed : 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
Additional Information : 2006-06-21 (decommissioned, still exists)
: 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
Target Location : EXTERNAL
Target Type : Corner Cube
Target Structure : Fixed on wall of a house
Number of Targets :
Target Distance(s) [m]: 659
Date Measured : 2003-10-06
Accuracy [mm]: 3
Verification : Repeated surveys (every few years)
Return-Rate Controlled : YES
Eye-Safe Method :
Additional Information :
Mode of Operation : SINGLE/FEW PHOTON
Calibration performed : 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
Date Removed :
Additional Information : 2006-06-21 (commissioned, was installed 1995)
: Calibration scheme was changed from internal
: to external due to unexplained difficulties
: with internal infrared calibration variations
: on June 21, 2006
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 : 2016-08-09
Additional Information : long term stability is
: with daily correction
9.01.02 Frequency Standard Type : Maser
Model : EFOS-8
Manufacturer : T4Science
Short Term Stab. [e-12]: 0.002
Long Term Stab. [e-12]: 0.002
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 100
Date Installed : 2016-08-09
Date Removed :
Additional Information : long term stability is
: with quarterly correction
9.02.01 GNSS Timing Rcvr Model : XL-DC 151-602-159
Manufacturer : TrueTime
Date Installed : 1995-08-16
Date Removed :
Additional Information :
9.02.02 GNSS Timing Rcvr Model : Thunderbolt-E
Manufacturer : Trimble
Date Installed : 2019-02-27
Date Removed :
Additional Information : The offset of the 1PPS from the local
: oscillator to the 1PPS from the receiver
: is measured using a Stanfort time interval
: counter SR620
9.03.01 One-way System Calibration
Date performed :
Direction Calibrated :
Additional Information :
10. Preprocessing Information
10.01 On-site NP Generation : YES
Data Screening : NUMERICAL INTEGRATION and GAUSSIAN FIT
Return-Rate Rejection :
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 HH:MM UT
Date Last Applicable :
Additional Information : ITERATIVE 2.5 SIGMA for
: Edit Criterion 3rd Chain
11. Aircraft Detection
11.01 Detection Type : RADAR and ATC DATA
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed : 1997-01-01
Date Removed : 2009-01-06
Additional Information : Air traffic control data.
: Radar used for near aircraft.
11.02 Detection Type : FLARM and ATC DATA
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed : 2009-01-06
Date Removed :
Additional Information : ATC offers radar data from airports.
: FLARM offers aircraft positons.
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
Distance from SRP [m]:
Date Installed : 1997-01-01 HH:MM UT
Calibration Interval : Every few years
Date Removed :
Additional Information :
12.02.01 Temp Sensor Model : PT100 MP409A
Manufacturer : Rotronic
Recording Interval : EVERY 30 MINUTES
Accuracy [deg C]: 0.3
Date Installed :
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 :
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 HH:MM UT
Calibration Interval :
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 :
Date Removed : 2018-02-27 10:55 UT
Additional Information : SERIAL # 26789 001
: Showed 100 % humidity after real
: humidity decrease for too long
: time
12.03.03 Humidity Sensor Model : HUMICAP180 HMP45D
Manufacturer : Vaisala
Recording Interval : EVERY 30 MINUTES
Accuracy [% rel h]: 2.5
Date Installed : 2018-02-27 10:55 UT
Calibration Interval :
Date Removed :
Additional Information :
13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
13.01.01.01 GNSS : IGS+EUREF
Date Installed : 1988-01-01
Date Removed :
Additional Info :
13.01.01.02 GNSS : IGLOS
Date Installed : 1998-01-01
Date Removed :
Additional Info :
13.01.02.01 DORIS : NO
Date Installed :
Date Removed :
Additional Info :
13.01.03.01 PRARE : NO
Date Installed :
Date Removed :
Additional Info :
13.01.04.01 VLBI : NO
Date Installed :
Date Removed :
Additional Info :
13.01.05.01 Gravimeter : EARTH TIDE
Date Installed : 1995-01-01
Date Removed :
Additional Info : Operated by ETH Zuerich
13.01.06.01 Other SLR :
Date Installed :
Date Removed :
Additional Info :
13.02.01.01 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 :
Additional Information : IGS/EUREF permanent station
13.02.02.01 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.
13.02.03.01 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-MM-DD
Date Removed :
Additional Information :
13.03.01.01 Eccentricities Between Other Monuments on Site
From: Monument Name :
DOMES Number :
CDP Number :
To: Monument Name :
DOMES Number :
CDP Number :
Differential Components (ITRS)
dx [m]:
dy [m]:
dz [m]:
Date Measured :
Determined by :
Additional Information :
14. Local Events Possibly Affecting Computed Position
14.01 Date :
Event :
Additional Information :
15. On-Site, Point of Contact Agency Information
Agency : Astronomical Institute
: University of Bern
Mailing Address : Sidlerstrasse 5
: CH-3012 Bern
Website :
Primary Contact
Contact Name : Adrian Jaeggi
Telephone (primary) : ++41-31-6848596 (Institute)
Telephone (secondary) : ++41-31-6849195 (Observatory)
Fax :
E-mail : adrian.jaeggi@unibe.ch
Secondary Contact
Contact Name : Swisstopo Team
Telephone (primary) : ++41-58-4690256
Telephone (secondary) : ++41-58-4690111 (Operator)
Fax :
E-mail : pnac@swisstopo.ch
Tertiary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : Federal Office of Topography
: Seftigenstrasse 264
: CH-3084 Wabern
16. Responsible Agency (if different from 15.)
Agency :
Mailing Address :
Primary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information :
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 :