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  1. Home>
  2. What's new on DORIS

What's new on DORIS

DORIS - July 2023

New point at Santa Cruz (SCSC)
The DORIS station at SANTA CRUZ, Galapagos, Ecuador was recently upgraded with 4th generation beacon and Starec C antenna (see dorismail 1358).

DORIS - May 2023

New point at Marion Island (MAVC)
The DORIS station at MARION ISLAND was recently upgraded with 4th generation beacon and Starec C antenna (see dorismail 1355).

New site at Hanga Roa (HROC) 
A new DORIS station has recently been installed in Easter Island, Chile, at Hanga Roa (see dorismail 1353).

DORIS - December 2022

New point at Nouméa (NOXC)

The DORIS station at NOUMEA (New Caledonia, South Pacific) was recently upgraded with 4th generation beacon and Starec C antenna (see dorismail 1343).

DORIS - November 2022

New point at Futuna (FUUC)

The DORIS station at FUTUNA (French overseas collectivity, South Pacific) was recently upgraded with 4th generation beacon and C antenna, and has been back to operation after more than 2-year outage (see dorismail 1339).

DORIS - August 2022

New point at Ny-Alesund II (SVBC)

The DORIS antenna at NY-ALESUND II has recently been replaced in order to overcome recurrent power loss and disruption (see dorismail 1330).

DORIS - June 2022

New point at San Juan (SJVC)

The DORIS station at SAN JUAN (Argentina) was recently upgraded with 4th generation beacon and C antenna, and has been back to operation after a 2-year outage.(see dorismail 1323). 

DORIS - May 2022

Removal Yuzhno-Sakhalinsk (SAKB)

The DORIS station at YUZHNO-SAKHALINSK, Russia, has been definitively removed (see dorismail 1321).

 

Removal Krasnoyarsk (KRBB)

The DORIS station at KRASNOYARSK, Russia, has been definitively removed (see dorismail 1320).

DORIS - April 2022

Jason3 on interleaved orbit.
A series of maneuvers beginning on April 7, 2022 placed Jason-3 in an interleaved orbit with Sentinel-6 Michael Freilich which became the new Reference Altimetry Mission from that date (see dorismail 1316).

DORIS - March 2022

Local tie file updated and accessible via the following links: ftp; https (see dorismail 1312).

DORIS - October 2021

New point at Male (MALC).
The DORIS station in Maldives was completely renovated in order to better meet the DORIS system requirements. The antenna was moved to a new support 27 m northeast and the whole equipment was changed (see dorismail 1292).

DORIS - August 2021

New point at La Réunion (see dorismail 1285). The DORIS station equipment has been replaced in order to overcome recurrent power loss and disruption. The position of the antenna reference point slightly changed.

DORIS - May 2021

Local tie file updated (see dorismail 1280).

 

HY-2D launched on May 19 with DORIS on-board (dorismail 1279)

 

New point at Kerguelen (KEYC):

Following required modification in the antenna support of the DORIS station at KERGUELEN Islands (French Southern and Antarctic Lands), the position of the antenna reference point shifted slightly. (see dorismail 1278)

DORIS - April 2021

New point at Rothera (ROZC) upgraded with 4th generation beacon and C antenna (see dorismail 1275)

New point at Kerguelen (KEXC) upgraded with 4th generation beacon and C antenna (see dorismail 1272)

DORIS - November 2020

Sentinel-6A a new DORIS mission in orbit (dorismail 1252)

Jason-3/DORIS instrument was forced to stand-by mode on 2020/10/27 and restarted on 2020/10/29 (dorismail 1249)

DORIS - October 2020

New site Höfn.
A new DORIS station has recently been installed at Höfn (Iceland), in the geodetic observatory of the National Land Survey of Iceland (LMI) (see dorismail 1246). This new station replaces the former DORIS station of Reykjavik (see dorismail 1247).

HY-2A DORIS data are no longer distributed since September 12. Since June 11, the satellite has been in "orbit maintenance mode" with all payloads on board stopped (altimeter, radiometer...), except DORIS which remained on. Then, on September 11, NSOAS stopped the distribution of DORIS data (see dorismail 1243).

DORIS - September 2020

HY-2C launched on September 21 with DORIS on-board (dorismail 1241)

DORIS - June 2020

Jason-3 is back to operations. It was in Safe Hold Mode between 2020/06/16 and 2020/06/19 (dorismail 1234).

DORIS - May 2020

New point at Crozet Island (see dorismail 1230)

DORIS - April 2020

New version of the file tie vectors from DORIS to other techniques  (see dorismail 1225).

Local tie file updated (see dorismail 1224).

Both reachable through the Documents page (section "Stations")

DORIS - March 2020

New point at La Reunion (see dorismail 1223)

DORIS - February 2020

DORIS 30th anniversary  (dorismail 1217)

The DORIS system is 30 years old in February 2020, 30 years of continuous operations at the heart of the of altimetry mission performance for oceanography and geodetic applications. Read more here.

Jason-3/DORIS data interruption due to Safe Hold Mode between 2020/01/31 and 2020/02/12 (dorismail 1220)

DORIS - December 2019

Erratum Ground antenna types; the name STAREC D is abandoned.
Following new measurements in the anechoic chambers it appeared that the antennas that were named STAREC D have exactly the same characteristics as the antennas named STAREC C.
As a consequence, the antex starec D phase law file doris_phase_law_antex_starecD.txt is removed and the related documents are corrected.
More details in dorismail 1202 (cancels and replaces the previous dorismail 1191)

Antenna change at St John's: the dorismail 1204 cancels and replaces the previous dorismail 1188

New point at Santa-Cruz (see dorismail 1207)

DORIS - October 2019

OSTM/Jason-2 end of mission (dorismail 1195)

Jason-2 altimetry satellite decommissioned after more than 11 years of ocean monitoring (joint press release from CNES, NASA/JPL, NOAA, and EUMETSAT)

DORIS - July 2019

A new type of ground antenna is introduced in the network and named Starec D (first antenna "STKD" installed at St-John's) (dorismail 1191)
The design is similar to antenna Starec B and C but with a different center of phase and a different phase law:
- distance from DORIS reference point to phase center 2 GHZ: +453 mm
- distance from DORIS reference point to phase center 400 MHZ: -39 mm
The relevant antex file is available at ftp://ftp.ids-doris.org/pub/ids/stations/doris_phase_law_antex_starecD.txt
Information about ground antenna antex files can be found in ftp://ftp.ids-doris.org/pub/ids/stations/doris_phase_law_antex_readme.txt
NB: the file doris_phase_law_antex_starec.txt is a copy of the file doris_phase_law_antex_starecBC.txt, and is only applicable for Starec B and C.

Antenna change at St John's (dorismail 1188)

DORIS - June 2019

Antenna change at Kerguelen (dorismail 1185)

DORIS - May 2019

Jason-2 is back in nominal mode. It was in Safe Hold Mode from 2019/02/16 to 2019/05/20 at around 08:00:00 UTC. See details for DORIS data availability in dorismail 1184.

DORIS - April 2019

Jason3 is back in nominal mode. It was in Safe Hold Mode from 2019/04/06 at 23:17:22 UTC to 2019/04/12 at 07:00:00 UTC. See details for DORIS data availability in dorismail 1180.

DORIS - March 2019

SARAL/AltiKa satellite has been encountered  some issues with the Star trackers affecting the nadir pointing accuracy since 3rd of February 2019. Find information about the impacts on DORIS measurments in dorismail 1178.

Jason3 is back in nominal mode. It was in Safe Hold Mode from 2019/02/24 at 09:57:16 UTC to 2019/03/06 at 08:40:40 UTC. See details for DORIS data availability in dorismail 1175.

DORIS - February 2019

New version of the file tie vectors from DORIS to other techniques  (see dorismail 1173).

Also reachable through the Documents page (section "Stations").

 

Jason-2 has been in Safe Hold Mode since February 4, 2019, and will stay in this mode at least until 20th of March.

During this period no DORIS data will delivered to IDS Data Centers (see dorismail 1172).

 

Jason-3 in Safe Hold Mode since February 24, 2019 (see dorismail 1171). 

 

DORIS - January 2019

Coordinates update at San Juan (see dorimail 1159)

Jason-2 was in Safe Hold Mode from December 26, 2018 to January 4, 2019. See details for DORIS data availability in dorismail 1158.

More Articles ...

  1. DORIS - November 2018
  2. DORIS - October 2018
  3. DORIS - July 2018
  4. DORIS - June 2018
  5. DORIS - May 2018
  6. DORIS - April 2018
  7. DORIS - March 2018
  8. DORIS - December 2017
  9. DORIS - November 2017
  10. DORIS - September 2017
  11. DORIS - June 2017
  12. DORIS - April 2017
  13. DORIS - March 2017
  14. DORIS - November 2016
  15. DORIS - October 2016
  16. DORIS - September 2016
  17. DORIS - August 2016
  18. DORIS - July 2016
  19. DORIS - June 2016
  20. DORIS - May 2016
  21. DORIS - February 2016
  22. DORIS - January 2016
  23. DORIS - December 2015
  24. DORIS - November 2015
  25. DORIS - October 2015
  26. DORIS - June 2015
  27. DORIS - May 2015
  28. DORIS - March 2015
  29. DORIS - January 2015
  30. DORIS - December 2014
  31. DORIS - October 2014
  32. DORIS - July 2014
  33. DORIS - June 2014
  34. DORIS - May 2014
  35. DORIS - April 2014
  36. DORIS - November 2013
  37. DORIS - September 2013
  38. DORIS - July 2013
  39. DORIS - June 2013
  40. DORIS - April 2013
  41. DORIS - March 2013
  42. DORIS - February 2013
  43. DORIS - January 2013
  44. DORIS - September 2012
  45. DORIS - July 2012
  46. DORIS - June 2012
  47. DORIS - May 2012
  48. DORIS - March 2012
  49. DORIS - December 2011
  50. DORIS - September 2011
  51. DORIS - August 2011
  52. DORIS - June 2011
  53. DORIS - May 2011
  54. DORIS - February 2011
  55. DORIS - December 2010
  56. DORIS - November 2010
  57. DORIS - October 2010
  58. DORIS - September 2010
  59. DORIS - July 2010
  60. DORIS - May 2010
  61. DORIS - April 2010
  62. DORIS - February 2010
  63. DORIS - January 2010
  64. DORIS - 2000-2009

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