Subject: [SLR-Mail] No.2527: GRACE-FO-2 tracking From: Krzysztof Snopek From nobody Thu Jul 26 00:00:19 2018 Content-Type: multipart/alternative; boundary=”------------09BBB9204B22235D7BF37826” Content-Language: en-US This is a multi-part message in MIME format. --------------09BBB9204B22235D7BF37826 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable Dear all, there are problems with GPS receiver on GRACE-FO-2 and we cannot provide = orbit prediction with usual quality. We do our best to update orbits=20 using SLR data. Therefore we would like to ask you to keep tracking and=20 focus on GRACE-FO-2. If you have to choose between GRACE-FO-1 and 2,=20 please track ”2”. Currently, SLR data is the best orbit info we have. Thanks and best regards, Krzysztof --=20 Dr. Krzysztof Snopek Department 1 Geodesy Section 1.2: Global Geomonitoring and Gravity Field Tel: +49-8153-90832-19 Fax: +49-8153-90832-01 Email:snopek@gfz-potsdam.de -------------------------------------------------- Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences Foundation under public law of the federal state of Brandenburg c/o DLR Oberpfaffenhofen Muenchner Strasse 20 D-82234 Oberpfaffenhofen --------------09BBB9204B22235D7BF37826 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable

Dear all,

there are problems with GPS receiver on GRACE-FO-2 and we cannot provide orbit prediction with usual quality. We do our best to update orbits using SLR data. Therefore we would like to ask you to keep tracking and focus on GRACE-FO-2. If you have to choose between GRACE-FO-1 and 2, please track ”2”. Currently, SLR data is the best orbit info we have.

Thanks and best regards,

Krzysztof

--=20
Dr. Krzysztof Snopek

Department 1 Geodesy
Section 1.2:  Global Geomonitoring and Gravity Field

Tel: +49-8153-90832-19
Fax: +49-8153-90832-01
Email: snopek@gfz-potsdam.de

--------------------------------------------------

Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
Foundation under public law of the federal state of Brandenburg
c/o DLR Oberpfaffenhofen
Muenchner Strasse 20
D-82234 Oberpfaffenhofen
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