dpga > stations > Delft

Site Information for Delft

2017-05-28T09:29Z

Delft

GNSS Laboratory of the Delft University of Technology, Department Geoscience and Remote Sensing, on the former Geodesy building, Thijsseweg 11, 2629 JA Delft, The Netherlands.

On-site contact: Hans van der Marel, TUD/CITG/GRS

GNSS Instrument(s)

NameMarkerReceiverAntennaOperatorNetworkStart dateEnd date
delf13502M004TPS ODYSSEY_ETRM29659.00AGRS.NLEPN,AGRS1994-12-30
dlft13502M006JPS LEGACYJPSREGANT_DD_ETUD/CITG/GRSIGS1998-08-172012-02-14
dlf113502M009TRIMBLE NETR9LEIAR25.R3TUD/CITG/GRSIGS2011-04-15
dlf213502M009JAVAD TRE_G3TH DELTALEIAR25.R3TUD/CITG/GRS,JAXAJAXA2012-04-06
dlf313502M009JAVAD TRE_G3TH DELTALEIAR25.R3TUD/CITG/GRS,JPLGDGPS2002-09-04
dlf413502M007SEPT POLARX2LEIAT504TUD/CITG/GRSEDCN2001-11-152010-12-05
dlf513502M009SEPT POLARX2LEIAR25.R3TUD/CITG/GRSEDCN2004-06-18
dlf5x13502M007SEPT POLARX2LEIAR25.R3TUD/CITG/GRSEDCN2004-06-18
dlf913502M007TRIMBLE NETR9LEIAR25.R3TUD/CITG/GRSNONE2011-02-222011-04-15

Markers

IDNamedXdYdZInstrumentsInstalledRemoved
13502M001BIG ASTRON. PILLAR0.00000.00000.0000
13502M002GPS EUREF 89 (MARK # 18)-0.222011.6050-0.5370
13502M003GPS MARK # 15-1.0110-2.70601.0600
13502M004GPS MARK # 16-1.8180-0.95801.5840delf
13502M005GPS MARK # 191.52609.5330-1.7740
13502M006GPS MARK # 207.6730-1.8940-5.8960dlft
13502M007GPS MARK # 2110.1900-8.0380-7.4890dlf4,dlf5x,dlf9
13502M009XGPS MARK # 02 (AKA # 22)8.5715-8.9207-4.16622011-04-15T10:00Z
13502M009GPS MARK # 02 (AKA # 22)8.5932-8.9176-4.1913dlf1,dlf2,dlf3,dlf52011-04-15T10:00Z
13502M010GPS MARK # 04 (AKA # 23)4.28555.3092-1.67552004-10-01T09:00Z

Meteo sensors

Installedweek/d doyRemovedweek/d doyPressureTemperatureHumidty
1994-04-19T00:00Z0745/2 109 VAISALA PTB200AVAISALA HMP233VAISALA HMP233

Pictures

13502M004_20110419.jpg
13502M004_20160713A.jpg
13502M004_20160713B.jpg
13502M004_20160713C.jpg
13502M006.jpg
13502M007.jpg
13502M009_A.jpg
13502M009_B.jpg
Delft_NMI_Panorama.jpg
Delft_NMI_Panorama_3parts.jpg
Delft_NMI_Panorama_3sm.jpg
Delft_NMI_Panorama_notext.jpg
NMi_building.JPG
Observatory1.jpg
Observatory2.jpg
site_sketch_domes.jpg
site_sketch_local.jpg

Notes

1997-03-25T00:00Z 0898/2 084 -
Cell phone antenna were installed on the South tower, 100 meters from the GNSS antennae, transmitting in a 240 degrees sector. The GNSS antennae are located in a 120 degrees sector not covered by the cell phone (GSM) system. Test with a receiver at 5 meters from the GSM antenna have shown no degradation of the GPS, so it is very unlikely that the GPS observations of the North tower are affected and we have so-far observed no degradation at all.
2003-09-01T00:00Z 1234/1 244 - 2005-01-31T00:00Z 1308/1 031
The department of Geodesy moved to Aerospace Eng. The former Geodesy building has been sold to the Dutch Metrology Institute (NMI) who will move into the building January 2005. Until then the building is empty and is undergoing reconstruction. A deal was made with the new owner to continue the GPS observations during and after the reconstruction. Over the next months all technical installations, inventory, cabling, piping and internal walls were removed, resulting in a completely empty and bare building w/o water, heating and electricity. The observatory switched to a temporary power supply and a dedicated Internet connection. Access to the premises restricted working days from 8.00 to 16.00 local time. After Oct 2003 a gradual change southwards of about 1 cm in total on Feb 2004, starting Mar 2004 the movement reversed in the North direction. Over Jan/Feb 2004 a 3-4 mm movement in East-West direction, stable again after Feb 2004. Signs of increased scatter in East-West direction since Apr 2004.
2004-04-13T00:00Z 1266/2 104 -
The stairs to the observation platform have been removed and a temporary roof was installed over the former stairs (now a vertical shaft).
2004-05-10T02:12Z 1270/1 131 -
Antenna cable of Trimble 4700 disconnected by vandals resulting in a loss of several hours of data. No other dammage or stolen items from the observatory. Receiver tracking after the event became very poor, which was noticed because we lost the internet connection next day. Receiver tracking became again nominal after the change over from Saterday/Sunday 15/16 May.
2004-05-11T06:30Z 1270/2 132 - 2004-05-14T12:00Z 1270/5 135
The Internet glasfibre cable outside the building was hit by a pile and Internet connection was lost. Repairs were effectuated and the Internet connection was restored on May 14th.
2004-05-29T06:10Z 1272/6 150 - 2004-06-01T08:04Z 1273/2 153
Power failure. This Saterday morning vandals tried to steal coper cables, and nearly electrocuted themselves. Suspects were arrested several weeks after this event. Power restored again on Monday morning.
2004-06-24T14:00Z 1276/4 176 - 2004-07-06T08:00Z 1278/2 188
During a storm the temporary roof installed on April 13 was blown away, partly blocking low elevation signals to the South. Two antenna cables were damaged, but no other damages. The contractor promissed to clean-up and restore the roof a.s.a.p., but actually nothing happened until 5 or 6 July when the former roof was moved a little reducing the effects of the blockage somewhat.
2004-06-24T14:00Z 1276/4 176 - 2004-12-15T09:00Z 1301/3 350
A temporary construction lift was attached to the North tower on 2004 Jun 24-30 (date not known exactly), where all the antenna are. The lift is on the North side and connected firmly to the building. About 75 cm of the metal tower is above the concrete balustrade, about 4 meters to the West from the Trimble 4700 antenna. On June 30 we noticed a change in the amount of data that is tracked. The temporary lift was removed somewhere in the beginning of December 2004 (date not known exactly).
2011-04-15T10:00Z 1631/5 105 -
Marker 13502M009 had to be temporarily removed and was reinstalled later at more or less the same position. This resulted in a move of 32.7 mm to the South, 1.4 mm to the East and 6.3 mm Down. The shift is: dX=0.0217, dY=0.0031, dZ=-0.0251 in ECEF, or dN=-0.0327, dE=0.0014, dU= -0.0063 in a local frame. The old marker has been renamed to 13502M009X. At the same time the Ahstech Chokering antenna was replaced by a LEICA AR25.R3 chokering. The antenna cable run consists of a 30 m LMR400 outdoors, a Huber-Suhner type 3402.17.A surge protector, 10 m LMR400 indoors, GPS Networking Inc. 4-way high-isolation antenna splitter N HI AL DCB S1X4-N/ 12/ 220, with 17 dB gain and 12 V DC feed to the antenna, and short 3 m cables to the each receiver.
2011-04-15T10:00Z 1631/5 105 -
The antenne for the Eurocontrol Data Collection Network (EDCN) has been moved from marker 13502M007 to marker 13502M009.
2013-11-01T13:05Z 1764/5 305 -
The antenna splitter connecting the LEIAR25.R3 LEIT (marker 13502M009) to DLF1, DLF2, DLF3 and DLF5 has been replaced on November 1, 2013, between 13:50-13:10 UTC. The new splitter is a Networked High Isolated Amplified DC Blocked 1x8 splitter from GPS Networking (NHIALDCBS1X8-T/12/220, S/N 76256). It replaces a 1x4 splitter from the same brand (NHIALDCBS1X4-N/12/220, S/N 53494). The antenna cable run now consists of a 30 m LMR400 outdoors, a Huber-Suhner type 3402.17.A surge protector, 10 m LMR400 indoors, GPS Networking Inc. 8-way high-isolation antenna splitter N HI AL DCB S1X8-T/ 12/ 220, with 14 dB gain and 12 V DC feed to the antenna, and 3 m flexible RG223 type cables from the splitter to the each receiver.
2015-08-03T18:15Z 1856/1 215 - 2015-08-04T11:40Z 1856/2 216
The antenna cable of the LEIAR25.R3 LEIT antenna on marker 13502M009 has been replaced (DLF1, DLF2, DLF3 and DLF5). In order to change the antenna cable the antenna had to be unbolted from the monument; after the cable replacement the same antenna was reattached to the monument in exactly the same position. The bronze alloy retaining bolt has been replaced by a stainless steel bolt. The new antenna cable is of the same type LMR400 and length. The antenna was in good working order and was cleaned. The antenna was operational again on Aug 4 2015, 11:39:28 UTC. No data is available from Aug 3 2015, 18:15:21 until Aug 4 2015, 11:39:28 UTC.

DELF (Delft)

Marker ID: 13502M004
Operator: AGRS.NL (KAD,MD,TUD)
Log file: delf_20160713.log

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
1994-12-30T13:00Z0781/5 3641995-12-26T23:59Z0833/2 360ROGUE SNR-80001753.2.32.1
1995-12-27T17:22Z0833/3 3611997-11-20T16:50Z0932/4 324ROGUE SNR-12 RM2223.2.32.1
1997-11-20T17:06Z0932/4 3241999-07-08T14:30Z1017/4 189ROGUE SNR-12 RM2113.2.32.1
1999-07-08T15:15Z1017/4 1892000-07-23T06:30Z1072/0 205ROGUE SNR-12 RM2113.2.32.9
2000-07-23T07:00Z1072/0 2052002-11-18T07:00Z1193/1 322TRIMBLE 4700965171.20
2002-11-18T10:30Z1193/1 3222015-11-27T00:00Z1872/5 331TRIMBLE 470096517N1.30/S0.00
2015-11-27T17:00Z1872/5 331 TPS ODYSSEY_E323-03863.5 Mar,16,2011 p1

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
1994-12-30T13:00Z0781/5 3641996-03-08T14:59Z0843/5 068AOAD/M_TNONE1770.000AOAD-M_T_RFI____NONE_177.atx
1996-03-08T15:00Z0843/5 0681996-07-25T09:49Z0863/4 207AOAD/M_TNONE2460.000
1996-07-25T09:50Z0863/4 2071996-07-30T11:14Z0864/2 212AOAD/M_TNONE2430.000
1996-07-30T11:15Z0864/2 2121996-08-08T13:29Z0865/4 221AOAD/M_TNONE1770.000AOAD-M_T_RFI____NONE_177.atx
1996-08-08T13:30Z0865/4 2212000-07-23T06:30Z1072/0 205AOAD/M_TDUTD2400.000
2000-07-23T07:00Z1072/0 2052016-07-13T13:30Z1905/3 195TRM29659.00UNAV932580.000
2016-07-13T13:30Z1905/3 195 TRM29659.00UNAV02203140440.050TRM29659.00_____UNAV_0220314044.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
1994-12-30T00:00Z0781/5 364 INTERNAL

DLFT (Delft IGLOS)

Marker ID: 13502M006
Operator: TU DELFT
Log file: dlft_20121101.log

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
1998-08-17T00:00Z0971/1 2291998-10-15T00:00Z0979/4 288ASHTECH GG24C00120GG00
1998-10-15T00:00Z0979/4 2881999-02-17T00:00Z0997/3 048ASHTECH GG24C00163GG00
1999-02-17T00:00Z0997/3 0481999-03-29T00:00Z1003/1 088JPS LEGACY001431.4
1999-03-29T00:00Z1003/1 0881999-05-09T00:00Z1009/0 129JPS LEGACY002871.5 pl3
1999-05-09T00:00Z1009/0 1291999-07-06T00:00Z1017/2 187JPS LEGACY002871.6 pl2
1999-07-06T00:00Z1017/2 1871999-09-17T00:00Z1027/5 260JPS LEGACY002871.8 pl2
1999-09-17T00:00Z1027/5 2602000-04-21T00:00Z1058/5 112JPS LEGACY002871.9 pl6
2000-04-21T00:00Z1058/5 1122004-07-17T08:46Z1279/6 199JPS LEGACY002872.0 pl5
2004-07-17T13:00Z1279/6 1992007-11-07T11:20Z1452/3 311JPS LEGACY002862.3 Apr,28,2004 p4
2007-11-07T12:00Z1452/3 3112008-03-11T10:00Z1470/2 071JPS LEGACY002862.6.0 Oct,24,2007 ob
2008-03-11T10:30Z1470/2 0712012-02-14T23:53Z1675/2 045JPS LEGACY002862.6.1 Jan,10,2008

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
1998-08-17T00:00Z0971/1 2291999-02-17T00:00Z0997/3 048ASH700699.L1NONE137890.1018
1999-02-17T00:00Z0997/3 0481999-03-29T00:00Z1003/1 088JPSREGANT_SD_ENONE000430.1000
1999-03-29T00:00Z1003/1 0882014-04-16T10:00Z1788/3 106JPSREGANT_DD_ENONE000770.1000JPSREGANT_DD_ET_NONE_ra0077.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
1998-08-17T00:00Z0971/1 2292004-07-22T00:00Z1280/4 204INTERNAL
2004-07-22T00:00Z1280/4 2042007-11-07T12:00Z1452/3 311EXTERNAL OCX
2008-07-01T14:00Z1486/2 1832012-02-14T23:53Z1675/2 045EXTERNAL CESIUM

Notes

2012-02-14T23:53Z 1675/2 045 -
The receiver/antenna developed a problem and no data has been recorded since 2012-02-15. The station DLF1 was discommissioned on 2012-04-16. The antenna will be removed for calibration. Users are adviced to use instead the IGS MGEX station DLF1 on the nearby marker 13502M009.
2011-04-15T10:00Z 1631/5 105 -
DLFT will be decommissioned in near future and replaced by DLF1 on marker 13502M009. Data for DLFT will be available in parallel to DLF1 for a limited period. Please use DLF1 instead of DLFT. DLF1 provides a multiple system (GPS/GLONASS/GALILEO) and frequency (L1/L2/L5) receiver at a lower multipath location.
2004-03-08T15:00Z 1261/1 068 -
Replaced antenna cable (Belden RG8) by LMR-400.

DLF1 (Delft GNSS)

Marker ID: 13502M009
Operator: DELFT UNIVERSITY OF TECHNOLOGY
Log file: dlf1_20170528.log

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
2011-04-15T10:00Z1631/5 1052011-06-22T11:20Z1641/3 173TRIMBLE NETR95039K707644.22
2011-06-22T11:20Z1641/3 1732012-02-01T12:32Z1673/3 032TRIMBLE NETR95039K707644.42
2012-02-01T12:32Z1673/3 0322012-05-03T11:30Z1686/4 124TRIMBLE NETR95039K707644.43
2012-05-03T11:30Z1686/4 1242012-05-08T11:05Z1687/2 129TRIMBLE NETR95039K707644.46
2012-05-08T11:05Z1687/2 1292013-02-18T22:15Z1728/1 049TRIMBLE NETR95039K707644.60
2013-02-18T22:15Z1728/1 0492013-05-09T06:05Z1739/4 129TRIMBLE NETR95039K707644.70
2013-05-09T06:05Z1739/4 1292013-08-12T14:15Z1753/1 224TRIMBLE NETR95039K707644.80
2013-08-12T14:15Z1753/1 2242015-06-18T21:30Z1849/4 169TRIMBLE NETR95039K707644.81
2015-06-18T21:30Z1849/4 1692015-07-13T17:10Z1853/1 194TRIMBLE NETR95039K707645.01
2015-07-13T17:10Z1853/1 1942016-07-20T16:15Z1906/3 202TRIMBLE NETR95039K707645.03
2016-07-20T16:15Z1906/3 2022016-12-21T18:43Z1928/3 356TRIMBLE NETR95039K707645.14
2016-12-21T18:43Z1928/3 3562017-05-28T09:12Z1951/0 148TRIMBLE NETR95039K707645.15
2017-05-28T09:12Z1951/0 148 TRIMBLE NETR95039K707645.22

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
2011-04-15T10:00Z1631/5 105 LEIAR25.R3LEIT100300060.0000LEIAR25.R3______LEIT_10030006.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
2011-04-15T10:00Z1631/5 1052011-06-22T11:20Z1641/3 173INTERNAL
2011-06-22T11:20Z1641/3 173 EXTERNAL CESIUM + RX_CLOCK_STEERING_ON

Notes

2015-08-03T18:15Z 1856/1 215 - 2015-08-04T11:40Z 1856/2 216
The antenna cable of the LEIAR25.R3 LEIT antenna (DLF1) has been replaced. In order to change the antenna cable the antenna had to be detached from the monument; after the cable replacement the same antenna was reattached to the monument in exactly the same position. The bronze alloy retaining bolt has been replaced by a stainless steel bolt. The new antenna cable is of the same type LMR400 and length. The antenna was in good working order and was cleaned. The antenna was operational again on Aug 4 2015, 11:39:28 UTC. No data is available from Aug 3 2015, 18:15:21 until Aug 4 2015, 11:39:28 UTC.
2015-07-01T00:00Z 1851/3 182 -
DLF1 has been added to the IGS and EPN networks. See IGS mail IGSSTATION-6225. At the same time DLF1 has been added to the EPN network and routine uploads of RINEX 2 data to BKGI and OLG were started. RINEX 3 data continues to be available from the IGS-MGEX data stores.
2015-03-01T00:00Z 1834/0 060 -
In addition to daily, hourly and high-rate RINEX 3 for all systems, daily RINEX 2 with 30 sec GPS and GLONASS data are available since the start op operation in April 2011. Since 1 March 2015 also hourly RINEX 2 files, with 10 second GPS and GLONASS, are kept.
2012-04-23T10:00Z 1685/1 114 - 2012-05-03T11:18Z 1686/4 124
No data has been logged on account of a disk-full condition.
2012-02-01T15:00Z 1673/3 032 -
DLF1 started streaming NTRIP data to Trimble VRS-NOW.
2011-11-04T14:01Z 1660/5 308 - 2012-02-01T13:00Z 1673/3 032
All data for this period has been lost.
2011-06-22T11:20Z 1641/3 173 -
Receiver was connected to the external CESIUM clock of the NMI. The 10 MHz from the external CESIUM was enabled in the receiver settings from the start. However, clock steering has not been disabled during this period, except fro some brief experimentation, and is currenty on. During some short periods in 2011 clock steering was disabled. So the receiver is running on the external frequency, but the clock is still adjusted using satellite signals. Clock steering will be disabled on a later to be announced moment in 2015.
2011-04-15T10:00Z 1631/5 105 -
All systems (GPS+GLO+GAL+BEI+QZSS+SBAS) are tracked and data is archived in daily 30 sec interval, hourly 10 sec interval and 15 minute high-rate 1 Hz multi GNSS RINEX version 3 files, as well as the raw data in T02 format. The GPS and GLONASS data is kept also as daily 30 second RINEX version 2 files for legacy purposes. Starting 1 March 2015 also hourly RINEX 2 files with 10 second GPS and GLONASS are saved.
2011-04-15T10:00Z 1631/5 105 -
DLF1 is part of the IGS M-GEX network. DLF1 is also intended as a replacement for IGS station DLFT.

DLF2 (Delft JAXA)

Marker ID: 13502M009
Operator: TUD/CITG/GRS,JAXA

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
2012-04-06T14:00Z1682/5 0972012-12-28T13:30Z1720/5 363JAVAD TRE_G3TH DELTA007333.5.0a0 Feb,01,2012
2012-12-28T13:30Z1720/5 3632013-05-15T12:00Z1740/3 135JAVAD TRE_G3TH DELTA007333.5.0
2013-05-15T12:00Z1740/3 135 JAVAD TRE_G3TH DELTA007333.5.1

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
2011-04-15T10:00Z1631/5 105 LEIAR25.R3LEIT100300060.0000LEIAR25.R3______LEIT_10030006.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
2012-04-06T14:00Z1682/5 097 INTERNAL

Notes

2015-08-03T18:15Z 1856/1 215 - 2015-08-04T11:40Z 1856/2 216
The antenna cable of the LEIAR25.R3 LEIT antenna (DLF2) has been replaced. In order to change the antenna cable the antenna had to be detached from the monument; after the cable replacement the same antenna was reattached to the monument in exactly the same position. The bronze alloy retaining bolt has been replaced by a stainless steel bolt. The new antenna cable is of the same type LMR400 and length. The antenna was in good working order and was cleaned. The antenna was operational again on Aug 4 2015, 11:39:28 UTC. No data is available from Aug 3 2015, 18:15:21 until Aug 4 2015, 11:39:28 UTC.
2012-04-06T14:00Z 1682/5 097 -
This receiver is streaming data directly to JAXA. No raw data or RINEX files are stored at the local data center. For the RINEX data, please contact JAXA directly.

DLF3 (Delft IGDG)

Marker ID: 13502M009
Operator: TUD/CITG/GRS,JPL
Log file: dlf3_20030219.log

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
2002-09-04T00:00Z1182/3 2472011-11-10T08:25Z1661/4 314ASHTECH Z-XII3008301L00/1D04
2011-11-10T08:35Z1661/4 314 JAVAD TRE_G3TH DELTA008493.2.5 Jan,26,2011

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
2002-09-04T00:00Z1182/3 2472011-04-15T08:00Z1631/5 105ASH700936C_MSNOW121140.0000ASH700936C_M____SNOW_12114.atx
2011-04-15T10:00Z1631/5 105 LEIAR25.R3LEIT100300060.0000LEIAR25.R3______LEIT_10030006.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
2002-09-04T00:00Z1182/3 247 INTERNAL

Notes

2015-08-03T18:15Z 1856/1 215 - 2015-08-04T11:40Z 1856/2 216
The antenna cable of the LEIAR25.R3 LEIT antenna (DLF3) has been replaced. In order to change the antenna cable the antenna had to be detached from the monument; after the cable replacement the same antenna was reattached to the monument in exactly the same position. The bronze alloy retaining bolt has been replaced by a stainless steel bolt. The new antenna cable is of the same type LMR400 and length. The antenna was in good working order and was cleaned. The antenna was operational again on Aug 4 2015, 11:39:28 UTC. No data is available from Aug 3 2015, 18:15:21 until Aug 4 2015, 11:39:28 UTC.
2011-11-10T08:30Z 1661/4 314 -
A new receiver and data logger were installed this morning around 8.30 UTC. The old receiver was removed at 8.25 UTC. The data logging with the new receiver started around 8.40. From the outside everything seems to work ok. The receiver is tracking (flashing light indicating that satellites are tracked) and the data logger has the same IP as the old PC. The receiver was initially connected to COM1, but on Nov 17, 2011,9:50 utc, the ethernet port of the javad receiver was connected to ubs port 1 on the datalogger using an usb-ethernet adapter. The software on the datalogger is GDGPS 3.3.3. The receiver is a Javad Delta G3T (TRE_G3TH) with S/N 00849. The data logger has S/N 5029682 (JPL GPS BASESTATION). The antenna setup has not been changed; same marker and same antenna as before (LEIAR25.R3 LEIT). The receiver is not (yet) connected to the external frequency standard (we have a 10 MHz signal from the timing lab).
2011-04-15T10:00Z 1631/5 105 -
Marker 13502M009 had to be temporarily removed and was reinstalled later at more or less the same position. This resulted in a move of 32.7 mm to the South, 1.4 mm to the East and 6.3 mm Down. The shift is: dX=0.0217, dY=0.0031, dZ=-0.0251 in ECEF, or dN=-0.0327, dE=0.0014, dU= -0.0063 in a local frame. The old marker has been renamed to 13502M009X. At the same time the Ahstech Chokering antenna was replaced by a LEICA AR25.R3 chokering.
2002-09-04T00:00Z 1182/3 247 -
This receiver is streaming data directly to JPL. No raw data or RINEX files are stored at the local data center. For the RINEX data, please contact JPL directly.

DLF4 (Delft ESTB)

Marker ID: 13502M007
Operator: TUD/CITG/GRS, EUROCONTROL
Log file: dlf4_20081111.log

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
2001-11-15T00:00Z1140/4 3192006-08-23T23:59Z1389/3 235NOV MILLEN-OEM3100494.52
2006-08-23T00:00Z1389/3 2352008-11-11T16:59Z1505/2 316SEPT POLARX212302.4.0
2008-11-11T17:00Z1505/2 3162010-12-05T00:00Z1613/0 339SEPT POLARX212302.7.0

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
2001-11-15T00:00Z1140/4 3192001-11-27T00:00Z1142/2 331NOV600NONE400160.0990
2001-11-28T00:00Z1142/3 3322001-12-03T15:10Z1143/1 337LEIAT504NONE8240.0990
2001-12-03T15:10Z1143/1 3372003-11-04T00:00Z1243/2 308NOV600NONE500400.1010
2003-11-04T00:00Z1243/2 3082004-09-14T12:00Z1288/2 258LEIAT502NONE107980.0990
2004-09-14T12:00Z1288/2 2582011-02-22T11:00Z1624/2 053LEIAT504NONE2610.0300LEIAT504+30_____NONE_261.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
2001-11-15T00:00Z1140/4 3192011-02-22T11:00Z1624/2 053INTERNAL

Notes

2010-12-05T00:00Z 1613/0 339 -
The receiver was stopped on 5 December 2010. Data from the same antenna continues to be available from DLF5.

DLF5 (Delft ESTB)

Marker ID: 13502M009
Operator: TUD/CITG/GRS,EUROCONTROL
Log file: dlf5_20040914.log

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
2004-06-18T00:00Z1275/5 170 SEPT POLARX212242.4.0

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
2011-04-15T10:00Z1631/5 105 LEIAR25.R3LEIT100300060.0000LEIAR25.R3______LEIT_10030006.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
2004-06-18T00:00Z1275/5 170 INTERNAL

Notes

2015-08-03T18:15Z 1856/1 215 - 2015-08-04T11:40Z 1856/2 216
The antenna cable of the LEIAR25.R3 LEIT antenna (DLF5) has been replaced. In order to change the antenna cable the antenna had to be detached from the monument; after the cable replacement the same antenna was reattached to the monument in exactly the same position. The bronze alloy retaining bolt has been replaced by a stainless steel bolt. The new antenna cable is of the same type LMR400 and length. The antenna was in good working order and was cleaned. The antenna was operational again on Aug 4 2015, 11:39:28 UTC. No data is available from Aug 3 2015, 18:15:21 until Aug 4 2015, 11:39:28 UTC.
2011-04-15T10:00Z 1631/5 105 -
The antenne for the Eurocontrol Data Collection Network (EDCN) has been moved from marker 13502M007 to marker 13502M009.

DLF5X (Delft ESTB)

Marker ID: 13502M007
Operator: TUD/CITG/GRS,EUROCONTROL
Log file: dlf5_20040914.log

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
2004-06-18T00:00Z1275/5 170 SEPT POLARX212242.4.0

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
2004-09-14T12:00Z1288/2 2582011-02-22T11:00Z1624/2 053LEIAT504NONE2610.0300LEIAT504+30_____NONE_261.atx
2011-02-22T11:00Z1624/2 0532011-04-15T10:00Z1631/5 105LEIAR25.R3LEIT100300060.0720LEIAR25.R3______LEIT_10030006.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
2001-11-15T00:00Z1140/4 319 INTERNAL

Notes

2011-04-15T10:00Z 1631/5 105 -
The antenne for the Eurocontrol Data Collection Network (EDCN) has been moved from marker 13502M007 to marker 13502M009.

DLF9 (Delft GNSS)

Marker ID: 13502M007
Operator: TUD/CITG/GRS

Receiver

Installedweek/d doyRemovedweek/d doyReceiver typeS/NFirmware
2011-02-22T11:00Z1624/2 0532011-04-15T10:00Z1631/5 105TRIMBLE NETR9707644.22

Antenna

Installedweek/d doyRemovedweek/d doyAntenna typeDomeS/NHeightAntenna calibration
2011-02-22T11:00Z1624/2 0532011-04-15T10:00Z1631/5 105LEIAR25.R3LEIT100300060.0000LEIAR25.R3______LEIT_10030006.atx

External Frequency

Installedweek/d doyRemovedweek/d doyExt. Frequency type
2011-02-22T11:00Z1624/2 0532011-04-15T10:00Z1631/5 105INTERNAL

Notes

2011-02-22T11:00Z 1624/2 053 - 2011-04-15T10:00Z 1631/5 105
This is a temporary occupation. On April 15 2011 the receiver and antenna have been relocated to stream DLF1 and marker 13502M009.
For more information contact Hans van der Marel.