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Wettzell: Site Log
Instructions and Update Site Log
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Section: 0. Form
Section: 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) : Stefan Riepl
Preparer E-mail : stefan.riepl@bkg.bund.de
Date Prepared : 2019-05-31
Report Type : UPDATE
Site Log Format Version : 2.0
Site Log Revision :
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Wettzell
IERS DOMES Number : 14201S045
CDP Pad ID : 7827
Subnetwork : EUROLAS
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 2014-05-01
Date Removed :
Geologic Characteristic : CONGLOMERAT/BEDROCK
Additional Information : Intersection point is tied to a local
: survey network consisting of 20 network
: pillars. Survey accuracy is better than
: 1 mm.
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2. Site Location Information
City or Town : Koetzting
State or Province : Bavaria
Country : Germany
Tectonic Plate : Eurasian
Local Time (UTC +/- hours) :
Approximate Position
X coordinate [m]: 4075531.073
Y coordinate [m]: 931781.841
Z coordinate [m]: 4801619.951
Latitude [deg]: 49.1449402 N
Longitude [deg]: 12.8781000 E
Elevation [m]: 663.174
Survey Method :
Date Measured :
Additional Information :
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3. General System Information
3.01 System Name : SOSW
4-Character Code : SOSW
CDP System Number : 22
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]:
East [m]:
Up [m]:
Date Measured : N.A.
Date Installed : 2014-05-01
Date Removed :
Additional Information :
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4. Telescope Information
4.01 Receiving Telescope Type : Cassegrain
Aperture [m]: 0.5
Mount : AZ-EL
Date Installed :
Date Removed :
Xmitting Telescope Type : Galilei
Aperture [m]: 0.15
Date Installed :
Date Removed :
Tracking Camera Type : EMCCD
Model : Sensicam
Manufacturer : PCO
Field of View [deg]: 0.05
Minimum Magnitude [mag]: 10
Date Installed :
Date Removed :
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 10
Max Slew Rate El [deg/s]: 5
Max Used Tracking Rate Az : 10
Max Used Tracking Rate El : 5
Telescope Shelter : DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 1
Adjustable Attenuation : TRANSMIT/RECEIVE
Adjustable Field of View :
Transmit Efficiency : 0.5
Receive Efficiency : 0.5
Date Installed : 2011-09-01
Date Removed :
Additional Information :
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5. Laser System Information
5.01 Laser Type : TI:SAP
Model :
Manufacturer :
Number of Amplifiers : 1
Primary Wavelength [nm]: 849.8
Primary Maximum Energy [mJ]: 1.5
Secondary Wavelength [nm]: 424.9
Secondary Max. Energy [mJ]: 0.65
Xmit Energy Adjustable : YES
Additional Information :
Pulse Width (FWHM) [ps]: 40
Max. Repetition Rate [Hz]: 1000
Fullw. Beam Divergence ["]: 5
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.12
Eyesafe : NO
Eyesafe Standard :
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 : 2006-12-15
Date Removed :
Additional Information :
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 849.8
Detector Type : APD
Manufacturer : Lasercomponents
Model : SAP500
Quantum Efficiency [%]: 50
Nominal Gain : 10000000
Rise Time [ps]: 100
Jitter (Single PE)[ps]: 40
Field of View Diam ["]: 60
Date Installed : 2013-09-01
Date Removed : 2016-05-11
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : N.A.
Manufacturer :
Model :
Date Installed :
Date Removed :
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : SINGLE PHOTON
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : Dassault/Thales
Model : SOSW-ET
Resolution [ps]: 1.220703125
Precision [ps]: 5.0
Date Installed : 2013-09-01
Date Removed :
Additional Information :
6.01.02 Primary Chain
Wavelength [nm]: 849.8
Detector Type : APD
Manufacturer : Lasercomponents
Model : SAP300
Quantum Efficiency [%]: 50
Nominal Gain : 10000000
Rise Time [ps]: 100
Jitter (Single PE)[ps]: 40
Field of View Diam ["]: 60
Date Installed : 2016-05-11
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : N.A.
Manufacturer :
Model :
Date Installed :
Date Removed :
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : SINGLE PHOTON
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : Dassault/Thales
Model : SOSW-ET
Resolution [ps]: 1.220703125
Precision [ps]: 5.0
Date Installed : 2013-09-01
Date Removed :
Additional Information :
6.02.01 Secondary Chain
Wavelength [nm]: 424.9
Detector Type : N.A.
Manufacturer :
Model :
Quantum Efficiency [%]:
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]:
Field of View Diam ["]:
Date Installed :
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Amplitude Measurement :
Return-Rate Controlled:
Mode of Operation :
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : Dassault/Thales
Model : SOSW-ET
Resolution [ps]: 1.220703125
Precision [ps]: 5.0
Date Installed : 2013-09-01
Date Removed :
Additional Information :
6.03.01 Tertiary Chain
Wavelength [nm]:
Detector Type :
Manufacturer :
Model :
Quantum Efficiency [%]:
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]:
Field of View Diam ["]:
Date Installed :
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Amplitude Measurement :
Return-Rate Controlled:
Mode of Operation :
Additional Information:
Time of Flight Observ. :
Manufacturer :
Model :
Resolution [ps]:
Precision [ps]:
Date Installed :
Date Removed :
Additional Information :
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7. Tracking Capabilities
7.01 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]: 25
Average values for LAGEOS
Single Shot RMS [mm]: 9
# of Obs per NP : 6000
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 200
Beam Pointing Accuracy ["]: 5
Angle Encoder Resolution["]: AZ 0.075 EL 0.090
Min. Tracking Elev. [deg]: 15
Laser Polarization @emitter:
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 12
Staff per Shift : 1
System Shared With : NOTHING
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
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 : 2014-05-01 HH:MM UT
Date Last Applicable :
Additional Information :
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8. Calibration
8.01 Calibration Type : PRE
Target Location : EXTERNAL
Target Type : OPTICAL SQUARE
Target Structure : METAL POLE
Number of Targets :
Target Distance(s) [m]: 2.1843
Date Measured : 2013-12-11
Accuracy [mm]: 0.5
Verification : by local survey
Return-Rate Controlled : YES
Eye-Safe Method :
Additional Information :
Mode of Operation : SINGLE PHOTON
Calibration performed : 30
Single Shot RMS [mm]: 7
Edit Criterion 1st Chain : ITERATIVE 2.0 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : LINEAR FIT
Date Installed : 2013-12-11
Date Removed :
Additional Information :
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : H-MASER
Model : EFOS-18
Manufacturer : Observatoire Cantonal de Neuchatel
Short Term Stab. [e-12]: 0.15
Long Term Stab. [e-12]: 0.002
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 10
Date Installed : 1989-03-01
Date Removed :
Additional Information :
9.02.01 GNSS Timing Rcvr Model : TAC
Manufacturer : Tom Clark
Date Installed : 1995-10-01
Date Removed :
Additional Information :
9.03.01 One-way System Calibration
Date performed :
Direction Calibrated :
Additional Information :
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10. Preprocessing Information
10.01 On-site NP Generation : YES
Data Screening : SHORT ARC FIT
Return-Rate Rejection :
Edit Criterion 1st Chain : 2.0 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : AFTER EACH PASS
Date First Applicable : 2014-04-01 HH:MM UT
Date Last Applicable :
Additional Information :
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11. Aircraft Detection
11.01 Detection Type : Eyesafe LIDAR, DFS Position Data, ADSB
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed : 2014-05-01
Date Removed :
Additional Information :
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : Digiquartz 740-16B
Manufacturer : Paroscientific
Recording Interval : EVERY MINUTE
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: 0
Distance from SRP [m]:
Date Installed : 1990-01-01 12:00 UT
Calibration Interval : YEARLY
Date Removed : 2019-05-28 18:15 UT
Additional Information :
12.01.02 Pressure Sensor Model : 740-16B, Ser.#: 51848
Manufacturer :
Recording Interval : 00:01:00
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: 0
Distance from SRP [m]: approx. 30m
Date Installed : 2019-05-28 18:15 UT
Calibration Interval : YEARLY
Date Removed :
Additional Information : Pressure sensor reading is height corrected
: to invariant point
12.02.01 Temp Sensor Model : 809
Manufacturer : Lambrecht
Recording Interval : EVERY MINUTE
Accuracy [deg C]: 0.3
Date Installed : 1990-01-01 HH:MM UT
Calibration Interval : MONTHLY
Date Removed :
Additional Information :
12.03.01 Humidity Sensor Model : 809
Manufacturer : Lambrecht
Recording Interval : EVERY MINUTE
Accuracy [% rel h]: 2.5
Date Installed : 1990-01-01 HH:MM UT
Calibration Interval : MONTHLY
Date Removed :
Additional Information :
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
13.01.01.01 GNSS : IGS+EUREF
Date Installed : 1995-02-09
Date Removed :
Additional Info : another IGS site
: installed 1997-02-06
13.01.01.02 GNSS : IGLOS
Date Installed : 1999-02-01
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 : YES
Date Installed : 1983-01-01
Date Removed :
Additional Info : (multiple lines)
13.01.05.01 Gravimeter : SUPERCONDUCTING
Date Installed : 1998-11-01
Date Removed :
Additional Info :
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 : WTZR
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 14201M010
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: N.A.
dy [m]: N.A.
dz [m]: N.A.
Date Measured :
Determined by :
Date Installed : 1995-02-09
Date Removed :
Additional Information : (multiple lines)
13.02.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : WTZT
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 14201M011
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: N.A.
dy [m]: N.A.
dz [m]: N.A.
Date Measured :
Determined by :
Date Installed : 1997-02-06
Date Removed :
Additional Information : (multiple lines)
13.02.03.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : VLBI, Wettzell
Instrumentation Type : VLBI
Instrumentation Status : PERMANENT
DOMES Number : 14201S004
CDP Number : 7224
Differential Components (ITRS)
dx [m]: N.A.
dy [m]: N.A.
dz [m]: N.A.
Date Measured :
Determined by :
Date Installed : 1983-01-01
Date Removed :
Additional Information : (multiple lines)
13.02.04.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : WTZZ
Instrumentation Type : GLONASS
Instrumentation Status : PERMANENT
DOMES Number : 14201M014
CDP Number :
Differential Components (ITRS)
dx [m]: N.A.
dy [m]: N.A.
dz [m]: N.A.
Date Measured :
Determined by :
Date Installed : 1997-02-06
Date Removed :
Additional Information : (multiple lines)
13.02.05.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : WETL
Instrumentation Type : SLR
Instrumentation Status : PERMANENT
DOMES Number : 14201S018
CDP Number : 8834
Differential Components (ITRS)
dx [m]: N.A.
dy [m]: N.A.
dz [m]: N.A.
Date Measured :
Determined by :
Date Installed : 1989-03-01
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 :
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14. Local Events Possibly Affecting Computed Position
14.01 Date :
Event :
Additional Information :
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15. On-Site, Point of Contact Agency Information
Agency : BKG and FESG
: Geodetic Observatory Wettzell
: Sackenrieder Str. 25
: D-93444 Bad Koetzting
: Germany
Mailing Address : stefan.riepl@bkg.bund.de
Website :
Primary Contact
Contact Name : Stefan Riepl
Telephone (primary) : +49 9941 603 205
Telephone (secondary) :
Fax : +49 9941 603 222
E-mail : stefan.riepl@bkg.bund.de
Secondary Contact
Contact Name : Johann Eckl
Telephone (primary) : +49 9941 603 119
Telephone (secondary) :
Fax : +49 9941 603 222
E-mail : johann.eckl@bkg.bund.de
Tertiary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information :
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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 :
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17. More Information
URL for More Information : www.bkg.bund.de
Hardcopy on File
Site Map : YES
Site Diagram : YES
Horizon Mask : NO
Monument Description : NO
Site Pictures : YES
Additional Information :
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