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ILRS Home  Stations Site Listing Potsdam3
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Potsdam3: Site Log
Instructions and Update Site Log
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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) : Ludwig Grunwaldt and Christoph Reigber
Preparer E-mail : grun@gfz-potsdam.de
Date Prepared : 2004-08-26
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : SLR Potsdam 3
IERS DOMES Number : 14106S011
CDP Pad ID : 7841
Subnetwork : EUROLAS
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : SAND
Additional Information : Bistatic telescope, there is a BRASS NAIL (2) in
pillar below telescopes, half way between
intersection of the Az/El telescope axes
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2. Site Location Information
City or Town : Potsdam
State or Province : Brandenburg
Country : Germany
Tectonic Plate : Eurasian
Approximate Position
X coordinate [m]: 3800432.3
Y coordinate [m]: 881692.0
Z coordinate [m]: 5029030.1
Latitude [deg]: 52.3830 N
Longitude [deg]: 13.0614 E
Elevation [m]: 123.5
Additional Information : The station is located on top of a tower at
the new facilities of GFZ Potsdam
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3. General System Information
3.01 System Name : GFZLAS3
4-Character Code : POT3
CDP System Number : 87
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 : 2001-07-20
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : COUDE-CASSEGRAIN
Aperture [m]: 0.44
Mount : AZ-EL
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.15
Tracking Camera Type : CCD + TV
Model : ST5C
Manufacturer : SBIG
Field of View [deg]:
Minimum Magnitude [mag]: 12
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE (separate telescopes)
Max Slew Rate Az [deg/s]: 15
Max Slew Rate El [deg/s]: 12
Max Used Tracking Rate Az : 10
Max Used Tracking Rate El : 10
Telescope Shelter : DOME
Daylight Filter Type : INTERFERENCE FILTER (blocked)
Dayl. Filt. Bandwidth [nm]: 0.4
Adjustable Attenuation : RECEIVE
Transmit Efficiency : 0.8
Receive Efficiency : 0.4
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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5. Laser System Information
5.01 Laser Type : ND:YAG
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 20
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 10
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 50
Max. Repetition Rate [Hz]: 20
Fullw. Beam Divergence ["]: 5 - 90
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : ANSI 136.1
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Additional Information : Single pulse, semitrain selectable
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H 5023
Quantum Efficiency [%]: 8
Nominal Gain : 2E6
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 65
Field of View ["]: 10 - 60
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES (manual)
Mode of Operation : SINGLE/FEW PHOTON
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford Research
Model : SR620
Resolution [ps]: 4
Precision [ps]: 20
Date Installed : 2001-07-20
Date Removed : 2004-02-19
Additional Information : SR620 still operated in parallel with A031-ET
6.01.02 Primary Chain
Wavelength [nm]: 532
Detector Type : PMT
Manufacturer : Hamamatsu
Model : H 5023
Quantum Efficiency [%]: 8
Nominal Gain : 2E6
Rise Time [ps]: 700
Jitter (Single PE)[ps]: 65
Field of View ["]: 10 - 60
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES (manual)
Mode of Operation : SINGLE/FEW PHOTON
Time of Flight Observ. : EVENT
Manufacturer : University of Riga, Inst. of Electronics
Model : A031-ET
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2004-02-19
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
6.02.01 Secondary Chain
Wavelength [nm]: 532
Detector Type : SPAD
Manufacturer : Silicon Sensor Inc.
Model : AD230
Quantum Efficiency [%]: 28
Nominal Gain : N.A.
Rise Time [ps]: 190
Jitter (Single PE)[ps]: 75
Field of View ["]: 45
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES (manual)
Mode of Operation : SINGLE PHOTON
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford Research
Model : SR620
Resolution [ps]: 4
Precision [ps]: 20
Date Installed : 2001-07-20
Date Removed : 2004-02-19
Additional Information : SR620 still operated in parallel with A031-ET
6.02.02 Secondary Chain
Wavelength [nm]: 532
Detector Type : SPAD
Manufacturer : Silicon Sensor Inc.
Model : AD230
Quantum Efficiency [%]: 28
Nominal Gain : N.A.
Rise Time [ps]: 190
Jitter (Single PE)[ps]: 75
Field of View ["]: 45
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES (manual)
Mode of Operation : SINGLE PHOTON
Time of Flight Observ. : EVENT
Manufacturer : University of Riga, Inst. for Electronics
Model : A031-ET
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2004-02-19
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : NIGHT
Etalon : NIGHT
GPS : NIGHT
Moon : NO
Avge Pass Switch Time [s]: 30
Average values for Lageos
Single Shot RMS [mm]: 18
# of Obs per NP : 150
Use of Semi-trains : YES
# of Semi-train Tracks : 10
Range Gate Width [ns]: 50 - 800
Beam Pointing Accuracy ["]: 3-5
Angle Encoder Resolution["]: 0.2
Min. Tracking Elev. [deg]: 20
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
Date First Applicable : (yyyy-mm-dd hh:mm UT)
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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8. Calibration
8.01 Calibration Type : DIRECT LINK TRANSMITTER/RECEIVER
Target Location : N.A.
Target Type : N.A.
Target Structure : N.A.
Target Distance [m]: 2.07
Date Measured : 2001-07-20
Accuracy (mm) [mm]: 1
Verification : (multiple lines)
Return-rate Controlled : YES
Mode of Operation : SINGLE
Average Cal Interval [min]: 50
Single Shot RMS [mm]: 10
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : ITERATIVE 2.5 SIGMA
Application of Cal Data : LINEAR FIT
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : OXCO
Model : 58503A
Manufacturer : Hewlett Packard
Short Term Stab. [e-12]: 5
Long Term Stab. [e-12]: 1
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: <110
Date Installed : 2001-07-20
Date Removed :
Additional Information :
9.02.02 GPS Timing Rcvr Model : 58503A
Manufacturer : Hewlett Packard
Date Installed : 2001-07-20
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 : IRV+POLYNOMIAL
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : ITERATIVE 2.5 SIGMA
Upload interval : AFTER EACH SHIFT
Date First Applicable : (yyyy-mm-dd hh:mm UT)
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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11. Aircraft Detection
11.01 Detection Type : TV CAMERA
Date Installed : 2001-07-20
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : PTU200
Manufacturer : Vaisala Oyj
Recording Interval : 00:10:00
Accuracy [mbar]: 0.2
Height Diff to SRP [m]: -5.2
Date Installed : 2001-07-21 00:00 UT
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.02 Temp Sensor Model : PTU200
Manufacturer : Vaisälä Oyj
Recording Interval : 00:10:00
Accuracy [deg C]: 0.2
Date Installed : 2001-07-21 00:00 UT)
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.03.03 Humidity Sensor Model : PTU200
Manufacturer : Vaisälä Oyj
Recording Interval : 00:10:00
Accuracy [% rel h]: 2
Date Installed : 2001-07-21 00:00 UT)
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : IGS/EUREF
Date Installed : 1994-10-14
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
GLONASS : NO
Date Installed : (yyyy-mm-dd)
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 : YES
Date Installed : 1994-09-01
Date Removed : 1998-12-01
Additional Information : (multiple lines)
VLBI : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : GPS Potsdam
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 14106M003
CDP Number : (XXXX)
Differential Components (ITRS)
dx [m]: 257.455 +- 0.005
dy [m]: 385.271 +- 0.005
dz [m]: -238.817 +- 0.005
Date Measured : 2001-12-03
Determined by : Christoph Foerste
Date Installed : 1994-10-14
Date Removed : (yyyy-mm-dd)
Additional Information : The original site log has the
wrong signs
13.02.02 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : SLR Potsdam
Instrumentation Type : SLR
Instrumentation Status : PERMANENT
DOMES Number : 14106S009
CDP Number : 7836
Differential Components (ITRS)
dx [m]: 207.362 +- 0.005
dy [m]: 290.052 +- 0.005
dz [m]: -198.379 +- 0.005
Date Measured : 2001-12-03
Determined by : Christoph Foerste
Date Installed : 1992-05-08
Date Removed : (yyyy-mm-dd)
Additional Information : The original site log has the
wrong signs
13.03.01 Eccentricities Between Other Monuments on Site
From: Monument Name : SLR Potsdam
DOMES Number : 14106S009
CDP Number : 7836
To: Monument Name : PRARE
DOMES Number : (xxxxxxxx)
CDP Number : 7730
Differential Components (ITRS)
dx [m]: -47.481 +- 0.005
dy [m]: -57.390 +- 0.005
dz [m]: +72.106 +- 0.005
Date Measured : 1994-04-13
Determined by : Christoph Foerste
Additional Information : vector from SLR to PRARE
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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 : GeoForschungsZentrum Potsdam
Mailing Address : Telegrafenberg
D-14473 Potsdam
Primary Contact
Contact Name : Ludwig Grunwaldt
Telephone (primary) : +49/331/288-1733
Telephone (secondary) : +49/331/288-1164
Fax : +49/331/288-1732
E-mail : grun@gfz-potsdam.de
Secondary Contact
Contact Name : Christian Selke
Telephone (primary) : +49/331/288-1183
Telephone (secondary) : +49/331/288-1156
Fax : +49/331/288-1759
E-mail :
Additional Information : (multiple lines)
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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 : http://www.gfz-potsdam.de/pb1/slr
Hardcopy on File
Site Map : NO
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : NO
Additional Information : (multiple lines)
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