DORIS - July 2018

Maneuvers on July 16 and 18 to place Jason-2 on an Interleaved Long Repeat Orbit (LRO) for the second geodetic cycle, on a ground track in the middle of the grid defined by the first geodetic cycle (see dorismail 1124 and previous dorismail 1075)

DORIS - June 2018

Happy Birthday Jason 2!

Today, June 20, the OSTM/Jason-2 mission (Ocean Surface Topography Mission) marks its 10th year in orbit. (see dorismail 1117)

DORIS - April 2018

Sentinel-3B launched on April 25th with DORIS on-board.

New point at Mangilao in the premises of the University of Guam, Mariana Islands (see dorismail 1111)

DORIS - March 2018

New point at Rothera (see dorismail 1108)

Data availability during last Jason-2 Safe Hold Mode (see dorismail 1105)

DORIS - December 2017

Antenna replacement at Sal (Cape Verde Islands) (dorismail 1091)

DORIS - November 2017

Data availability during recent periods of Safe Hold Mode of Jason-2: DORIS1B data and the satellite orbits are not delivered; DORIS/Rinex are disseminated to IDS (as well as the solar panel / attitude quaternions files) but with a degraded quality because of the SHM and the non-nominal attitude law (see dorismail 1087). 

DORIS - September 2017

Jason-2 in Safe Hold Mode since 2017/09/14 07:13:04 UTC. More information on Jason-2 status in dorismail 1080

 

Local tie file updated (see dorismail 1079). Also reachable through the Documents page (section "Stations")

DORIS - June 2017

 

Jason-2 information from last JSG held on June  20th in dorismail 1075

Antenna change at Sal (Cape Verde Islands) (dorismail 1074)

Jason-2 in Safe Hold Mode since 2017/05/17 22h26:57 UTC. More information on Jason-2 status in dorismail 1073

DORIS - April 2017

Jason-2 was in Safe Hold Mode from March 15, 2017 to March 29, 2017. No DORIS 2.2 data and no orbit for this period. RINEX files available during that period but with some gaps (see dorismail 1071)

DORIS - March 2017

New point at Socorro (see dorismail 1068)

 

DORIS - October 2016

DORIS station in the Gavdos Island, Greece, has been completely removed (dorismail 1048)

Jason-2 has been moved to be placed in a interleaved orbit with respect to Jason-3 orbit. The period of the corresponding manoeuver is between October 2 and October 12, 2016 (see dorismails 1045 1046)

--> No orbit and no DORI2.2 data are available on IDS data Centers during this period, but the RINEX-DORIS are available

DORIS - September 2016

Jason-2 moved to the interleaved orbit in early October (see dorismail 1042)

Local tie file updated (see dorismail 1041). Also reachable through the Documents page (section "Stations")

DORIS - August 2016

Relocation at Kitab (see dorismail 1038)

DORIS - July 2016

New point at Owenga (see dorismail 1028)

DORIS - June 2016

SARAL orbit change from a repetitive orbit to a drifting orbit. The new phase named "SARAL-DP" for SARAL Drifting Phase starts on July 4h 2016. The semi-major will first be increased by +1km  (more details in dorismail 1027)

Antenna change at Kerguelen (dorismail 1023)

Satellite events and data gaps (HY-2A orbit change, Jason-2/GPS upgrade, Jason-3 GPS upgrade) (dorismail 1021)

DORIS - May 2016

New site at Managua (see dorismail 1020)

DORIS - February 2016

Antenna moved to a new support in Sal (see dorismail  1008 )

DORIS - December 2015

Antenna change at Ponta Delgada (dorismail 997)

DORIS - November 2015

SPOT-5 will be de-orbited from December 2015 (dorismail 994)

Antenna change at Jiufeng (dorismail 992)

The DORIS station in Chile named Santiago has been completely removed (dorismail 988)

DORIS - October 2015

 Following site closure, the DORIS Station at Easter Island has been completely removed (dorismail 987)

 The DORIS station at Port Moresby is declared closed (dorismail 986)

DORIS - June 2015

The whole series of POE orbits processed witth GDR-E standards is available for CRYOSAT-2 at CDDIS and IGN Data Centers (version number = 10)

DORIS - May 2015

Local tie file updated (see dorismail 971). Also reachable through the Documents page (section "Stations")

Data delivery: reprocessed DORIS RINEX files with new time tagging (version number of the files = 010) (see dorismails 956970).

Product delivery: SSALTO orbits with GDR-E orbit standards  (see dorismail 969).

DORIS - March 2015

Antenna change at Terre Adélie (see dorismail 0966)

End of SPOT-5 operational mission on March 29th (see dorismail 0965)

New site at Goldstone (see dorismail 0964)

New  4-letter code ending with letter C for DORIS ground station (see dorismail 0963)

Antenna change at Kerguelen (see dorismail 0962)

DORIS - January 2015

Antenna change at Rothera (see dorismail 0961)

End of SPOT-5 trade mission on March 31 2015 (see dorismail 0957)

DORIS - December 2014

A new DORIS station has been installed in the Chatham Islands, New Zealand, at the place known as Owenga (see dorismail 947). This station replaces the former DORIS station bearing the acronym of "CHAB" located 18km away which has been completely removed (see dorismail 948).

DORIS - October 2014

Antenna change at Ponta Delgada (see DORISmail 0940)

DORIS - July 2014

Antenna replacement at Marion Island (see DORISmail 934)