****************************************************************************** dorismail 18-Jan-2017 17:00:14 Message No 1058 ****************************************************************************** Author: Ferrage Pascale Subject: Change in the DORIS RINEX files delivery ==> back to the original Dear IDS users You remember, in early 2015 we changed the provider of RINEX-DORIS files to= improve the accuracy of the date of the DORIS measurements (see DORISmail = 956 below). Finally, the improvement has no significant impact on the quality of the or= bits or the positioning, but implies some constraints (operation, latency, = increased data gaps). As it was announced in La Rochelle during the last IDS Workshop (November 2= 016) we have decided to go back to the baseline, and provide the original R= INEX-Files, as we did before: We plan to start next week from Wednesday January 25th, for all missions (= JASON2, CRYOSAT-2, HY-2A, SARAL, JASON3, SENTINEL3). Then, few days after, we will redeliver all past "original RINEX" files th= at are not already present in the IDS data centers. The name of the file available on IDS Data Centers will not change: rxYYDDD.LLL.Z , =3D ja2: Jason2; ja3: Jason3; cs2: CryoSat; = srl: Saral; h2a: HY-2A; s3a: Sentinel3A; But the he version number LLL will start again at 001 (instead of 010), an= d the files will be delivered with a latency of 1 day (instead of 3 days). Best regards Pascale FERRAGE ---------------------------------------------------------------- CNES - DNO/OT/TA IDS International DORIS Service - http://ids-doris.org/ T=E9l. (+33) 5 61 28 30 66 - Mobile: 33 - (0)6 87 60 39 70 -----Message d'origine----- De : Ferrage Pascale [mailto:Pascale.Ferrage@cnes.fr] Envoy=E9 : lundi 12 janvier 2015 12:04 =C0 : dorismail@ids-doris.org Objet : [DORISMail] No 0956 : TR: Improvments of DORIS RINEX files =3D=3D> = new version & delivery ***************************************************************************= *** dorismail 12-Jan-2015 11:03:47 Message No 0956 ***************************************************************************= *** Author: Ferrage Pascale > Subject: No 1058 : TR: Improvments of DORIS RINEX files =3D=3D> new versio= n & delivery Dear Colleagues, We have implemented and tested a new SSALTO component (PANDOR) which improv= es the accuracy of the date of the DORIS measurements in RINEX format: The principle is to process on ground a time tagging of DORIS measurements = and to replace the DORIS DIODE time tagging given in nominal RINEX by this = new time tagging (replacement of the receiver clock offset parameter). That new time tagging is obtained as estimation of both onboard and ground = USO frequency (modelized by polynomials of degree 2 or 3) variations with r= espect to a common beacon for which correspondence between TAI and its cloc= k is well monitored. The interest is to have a time tagging without steps that are observed with= DIODE time tagging (adjustments of the filter over time beacons). So we plan to use it from January 20th, and deliver all RINEX data of all m= issions (JASON2, CRYOSAT-2, HY-2A, SARAL) using this new component. Then, in the second time, we will redeliver all RINEX data from the beginni= ng of all missions. The name of the file available on IDS Data Centers will not change: rxYYDDD.LLL.Z , =3D ja2: Jason2; ja3: Jason3; cs2: CryoSat;= srl: Saral; h2a: HY-2A; s3a: Sentinel3A; s3b: Sentinel3B Only the version number LLL will change and start at 010 in order to diff= erentiate with the previous RINEX files we delivered. Note that these new files will be delivered with 3 days of latency (that m= eans that the files delivered on January 20th will correspond to the day Ja= nuary 17) Then, as soon as we have processed with PANDOR the rest of the beginning of= all missions, we'll let you know, and deliver all these files once. It may= occur in May/June. Best regards Pascale