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ILRS Home  Stations Site Listing San Fernando
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San Fernando: 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) : Jorge Garate and Manuel Quijano
Preparer E-mail : jgarate@roa.es
mquijano@roa.es
Date Prepared : 2006-07-05
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : San Fernando SLR
IERS DOMES Number : 13402S007
CDP Pad ID : 7824
Subnetwork : EUROLAS
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 1999-04-04
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : BEDROCK
Additional Information : Since the dome was changed the mount is
located 35 cm over the old location,
IERS DOMES Number 13402S004
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2. Site Location Information
City or Town : San Fernando
State or Province : Cadiz
Country : SPAIN
Tectonic Plate : Iberian/Eurasian
Approximate Position
X coordinate [m]: 5105473.922
Y coordinate [m]: -555110.640
Z coordinate [m]: 3769892.747
Latitude [deg]: 36.4650 N
Longitude [deg]: 6.2055 W
Elevation [m]: 98.177
Additional Information : (multiple lines)
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3. General System Information
3.01 System Name : San Fernando SLR
4-Character Code : SFEL
CDP System Number : 45
CDP Occupation Number : 02
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 0
East [m]: 0
Up [m]: 0
Date Measured : N.A.
Date Installed : 1999-04-04
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.6
Mount : AZ-EL
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.2
Tracking Camera Type : CCD
Model : LDH 0702/20
Manufacturer : Philips
Field of View [deg]: 1
Minimum Magnitude [mag]: 7
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 3
Max Slew Rate El [deg/s]: 3
Max Used Tracking Rate Az : 3
Max Used Tracking Rate El : 3
Telescope Shelter : DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 5Arm
Adjustable Attenuation : NO
Transmit Efficiency : 0.85
Receive Efficiency : 0.55
Date Installed : 1984-10-18
Date Removed : 2005-08-20
Additional Information : (multiple lines)
4.02 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.6
Mount : AZ-EL
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.2
Tracking Camera Type : CCD
Model : LH 509 ULL
Manufacturer : Lheritier
Field of View [deg]: 1
Minimum Magnitude [mag]: 15
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 3
Max Slew Rate El [deg/s]: 3
Max Used Tracking Rate Az : 3
Max Used Tracking Rate El : 3
Telescope Shelter : DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 2Arm
Adjustable Attenuation : NO
Transmit Efficiency : 0.85
Receive Efficiency : 0.55
Date Installed : 2005-08-20
Date Removed : (yyyy-mm-dd)
Additional Information : Tracking camera replaced. Daylight filter bandwidth set to 2 Armstrong
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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]: 220
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 80
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 100
Max. Repetition Rate [Hz]: 5
Fullw. Beam Divergence ["]: 40
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : N.A.
Date Installed : 1984-10-18
Date Removed : 2001-07-04
Additional Information : (multiple lines)
5.02 Laser Type : ND:YAG
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 80
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 40
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 50
Max. Repetition Rate [Hz]: 5
Fullw. Beam Divergence ["]: 40
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : N.A.
Date Installed : 2001-07-04
Date Removed : 2004-01-22
Additional Information : Pulse width set to 50 ps, while max energy transmitted was set to 40 mJ
5.03 Laser Type : ND:YAG
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 80
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 40
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 50
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 40
Final Beam Diameter [m]: 0.10
Eyesafe : NO
Eyesafe Standard : N.A.
Date Installed : 2004-01-22
Date Removed : (yyyy-mm-dd)
Additional Information : The repetition rate was set to 10 Hz
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : PMT
Manufacturer : Philips
Model : XP 2233 B
Quantum Efficiency [%]: 12
Nominal Gain : 3E+07
Rise Time [ps]: 1500
Jitter (Single PE)[ps]: 1000
Field of View ["]: 10 to 30
Date Installed : 1997-12-15
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1990-07-01
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: NO
Mode of Operation : Single to Multi Photon
Time of Flight Observ. : INTERVAL
Manufacturer : Hewlett-Packard
Model : 5370A
Resolution [ps]: 20
Precision [ps]: 35
Date Installed : 1999-08-10
Date Removed : 2001-08-10
Additional Information : Since 2001-07-24 the PMT detector was used only during nightime
Since 2005-02-17 the PMT was no longer used.
6.01.02 Primary Chain
Wavelength [nm]: 532
Detector Type : C-SPAD
Manufacturer : PESO Consulting/Graz
Model :
Quantum Efficiency [%]: 20
Nominal Gain :
Rise Time [ps]: <2400
Jitter (Single PE)[ps]: <30
Field of View ["]: 40-60
Date Installed : 2001-01-24
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec (start only)
Model : TC454
Date Installed : 1990-07-01
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: NO
Mode of Operation : Single to Multi Photon
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford Research
Model : SR 620i
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 2001-08-10
Date Removed : (yyyy-mm-dd)
Additional Information : Since 2001-07-24 CSPAD was used for nigh time trackings.
Since 2005-02-18 CSPAD is the only detector used.
Since 2001-07-24 the TENNELEC signal processing was used at start only
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : NO
Etalon : NO
GPS : NO
Moon : NO
Avge Pass Switch Time [s]: 60
Average values for Lageos
Single Shot RMS [mm]: 25
# of Obs per NP : 50
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 400-20000
Beam Pointing Accuracy ["]: 15
Angle Encoder Resolution["]: 6
Min. Tracking Elev. [deg]: 8
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 8
Staff per Shift : 2
System Shared With : NOTHING
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
Date First Applicable : 1999-04-04
Date Last Applicable : 2005-05-18
Additional Information : (multiple lines)
7.02 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : NO
Etalon : NO
GPS : NO
Moon : NO
Avge Pass Switch Time [s]: 60
Average values for Lageos
Single Shot RMS [mm]: 15
# of Obs per NP : 100
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 200-20000
Beam Pointing Accuracy ["]: 15
Angle Encoder Resolution["]: 6
Min. Tracking Elev. [deg]: 9
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 8
Staff per Shift : 1 or 2
System Shared With : NOTHING
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
Date First Applicable : 2005-05-18
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : Range gate width modified.
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : Optical square
Target Structure : Mirrors
Target Distance [m]: 2.305
Date Measured : 2000-03-23
Accuracy (mm) [mm]: 2
Verification : No
Return-rate Controlled : NO
Mode of Operation : Single to Multi Photons
Average Cal Interval [min]: 30
Single Shot RMS [mm]: 30
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 2000-03-23
Date Removed : 2005-02-17
Additional Information : (multiple lines)
8.02 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : Optical square
Target Structure : Mirrors
Target Distance [m]: 2.305
Date Measured : 2000-03-23
Accuracy (mm) [mm]: 2
Verification : No
Return-rate Controlled : NO
Mode of Operation : Single to Multi Photons
Average Cal Interval [min]: 60
Single Shot RMS [mm]: 8
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 2005-02-18
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : Cesium
Model : 5071A
Manufacturer : HP
Short Term Stab. [e-12]: 5
Long Term Stab. [e-12]: 0.01
Time Reference : UTC (ROA)
Synchronization : Coaxial Cable
Epoch Accuracy [ns]: < 1ns
Date Installed : 1999-04-04
Date Removed : (yyyy-mm-dd)
Additional Information : San Fernando Observatory has a
a time lab with a set of 8
atomic clocks
9.02.01 GPS Timing Rcvr Model : N.A.
Manufacturer : N.A.
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : San Fernando Observatory has a
a time lab with a set of 8
atomic clocks
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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 : N.A.
Upload interval : AFTER EACH PASS
Date First Applicable : 1999-04-04
Date Last Applicable : (yyyy-mm-dd)
Additional Information : (multiple lines)
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11. Aircraft Detection
11.01 Detection Type : NONE
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : EMA V
Manufacturer : SEAC
Recording Interval : EVERY 10 MINUTES
Accuracy [mbar]: 0.3
Height Diff to SRP [m]: 12
Date Installed : 1993-03-01
Calibration Interval : BIMONTHLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.01 Temp Sensor Model : EMA V
Manufacturer : SEAC
Recording Interval : EVERY 10 MINUTES
Accuracy [deg C]: 0.3
Date Installed : 1993-03-01
Calibration Interval : BIMONTHLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.03.01 Humidity Sensor Model : EMA V
Manufacturer : SEAC
Recording Interval : EVERY 10 MINUTES
Accuracy [% rel h]: 2.5
Date Installed : 1993-03-01
Calibration Interval : BIMONTHLY
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 : 1996-01-09
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 : 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 : 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 : Old SLR monument
Instrumentation Type : SLR
Instrumentation Status : PERMANENT
DOMES Number : 13402S004
CDP Number : 4501
Differential Components (ITRS)
dx [m]: -0.280 +- 0
dy [m]: 0.030 +- 0
dz [m]: -0.208 +- 0
Date Measured : 1999-04-04
Determined by : Jorge Garate
Date Installed : 1984-10-18
Date Removed : 1999-04-04
Additional Information : The previous site log
sfel_20010312.log
had slightly different values.
(i.e. these are revised values)
13.02.02 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : SFER
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 13402M004
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: 45.095 +- 0
dy [m]: -35.278 +- 0
dz [m]: -89.556 +- 0
Date Measured : 1999-04-04
Determined by : Jorge Garate
Date Installed : 1996-01-09
Date Removed : (yyyy-mm-dd)
Additional Information : The previous site log
sfel_20010312.log
had slightly different values.
(i.e. these are revised values)
13.03.01 Eccentricities Between Other Monuments on Site
From: Monument Name : SFER (GPS permanent station)
DOMES Number : 13402M004
CDP Number : N.A.
To: Monument Name : San Fernando GPS Mark EUREF89
DOMES Number : 13402M003
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: 11.4913 +- 0
dy [m]: - 0.7931 +- 0
dz [m]: -22.0813 +- 0
Date Measured : 1996-01-05
Determined by : Jorge Garate
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 : Real Instituto y Observatorio de la Armada
Mailing Address : Cecilio Pujazon sn
11110 San Fernando. Cadiz. SPAIN
Primary Contact
Contact Name : Jorge Garate
Telephone (primary) : +34 956 54 59 95
Telephone (secondary) : +34 956 54 59 96
Fax : +34 956 59 93 66
E-mail : jgarate@roa.es
Secondary Contact
Contact Name : Jose Martin Davila
Telephone (primary) : +34 956 59 92 85
Telephone (secondary) : +34 956 54 59 93
Fax : +34 956 59 93 66
E-mail : mdavila@roa.es
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 : www.roa.es
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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