| Date: | 2012-08-10 03:21:22 | |
| Sender: | Toshimichi Otsubo <t.otsubo@r.hit-u.ac.jp> | |
| Subject: | [RapidServiceMail] No.34: Re: (HITU) Changchun range bias correlated with calibration | |
| Content: | ******************************************************************************** ILRS/AWG Rapid Service Mail 2012-08-10 03:21:38 UTC Message No. 34 ********************************************************************************Dear You (cc: RapidServiceMail) I have sent the following message to ccslr@public.cc.jl.cn (and you too) a few minutes ago, but it was rejected. Can you forward it to Changchun colleagues, as I do not know other contact points? Thanks. Toshi ----- Toshimichi Otsubo Hitotsubashi University Web http://geo.science.hit-u.ac.jp/ Tel & Fax +81-42-580-8968 2012/8/10 Toshimichi Otsubo > Dear Fan-san and Changchun colleagues, > > There are occasional small jumps (~ 10 cm) in Changchun´s > range bias, for instance, on 4 Aug and 7 Aug. > > Please visit: > http://geo.science.hit-u.ac.jp/slr/bias/ (and check Latest Analysis Report) > > The jumps are highly correlated with the calibration measurement, > which suggests that the jumps in the calibration may be unreal. > > I would like to point out one more issue: > I see the calibration values (noted as ´sdelay´ in our reports) > staying the same throughout a night. How often do you make > the calibration measurement? If you expect the variation of > cm or even mm, it is advisable that you do it more frequently. > > Lastly, the contact points in the ILRS webpage for Changchun: > http://ilrs.gsfc.nasa.gov/stations/sitelist/CHAL_general.html > are probably obsolete, still including Zhao You. Please ask > Carey Noll, NASA, to update it. > > Can you give me a quick reply when receiving this? Thanks. > > Best Regards, > Toshi > ----- > Toshimichi Otsubo > Hitotsubashi University > Web http://geo.science.hit-u.ac.jp/ Tel & Fax +81-42-580-8968 ******************************************************************************** |