| Date: | 2012-04-11 01:19:43 | |
| Sender: | Moblas <moblas@midwest.com.au> | |
| Subject: | [SLR-Mail] No.2059: Re: [ilrs] URGENT MAIL - Envisat Major Anomaly | |
| Author: | Pierre F | |
| Content: | Gday All. I have just seen ENVISAT, and it tracked OK using predicts #6012, with no range or time bias needed. It started to come in when it went through to the S/E of our station. Hopefully the data will help in your cause. Regards, Dave /YARRAGADEE GEODETIC OBSERVATORY/ /Western Australian Space Centre -- Moblas5/ EOS Space Systems PO Box 137 Dongara Western Australia 6525 Ph:+61 (0)8 99291011 Fax:+61 (0)8 99291060 ***moblas@midwest.com.au* On 10/04/2012 08:55, Pierre.Femenias@esa.int wrote: > Author: Pierre Féménias ESA ESRIN > > URGENT MAIL - Envisat Major Anomaly > > Dear all, > > Since Sunday 8 April 2012, at the Kiruna pass at 12:28UTC, Envisat is not > transmitting any telemetry anymore. Only an un-modulated S-Band RF carrier > was received on-ground. No X-Band and Ka-Band (via Artemis) data were > received as from the same time. > > An extended network of ground stations was immediately activated to send > commands to the satellite, but all attempts are unsuccessful so far. The > S-band carrier which was initially still available disappeared after few > hours. > > > Can you please confirm if the Envisat satellite is visible from the different > laser stations? > > > Thanks for your prompt support. > > > Kind regards, Pierre Féménias > > > > > > ESA - European Space Agency > > Pierre Féménias > EOP-GMQ > Sensor Performances, Products and Algorithms Office > Earth Observation Ground Segment Department > > ESRIN > Via Galileo Galilei > Casella Postale 64 I-00044 Frascati, Italy > Pierre.Femenias@esa.int | www.esa.int > T +39 06 941 80674 | F +39 06 941 80612 > > > > > > > This message and any attachments are intended for the use of the addressee or addressees only. The unauthorised disclosure, use, dissemination or copying (either in whole or in part) of its content is not permitted. If you received this message in error, please notify the sender and delete it from your system. Emails can be altered and their integrity cannot be guaranteed by the sender. > > Please consider the environment before printing this email. > http-equiv=”Content-Type”> Gday All. I have just seen ENVISAT, and it tracked OK using predicts #6012, with no range or time bias needed. It started to come in when it went through to the S/E of our station. Hopefully the data will help in your cause. Regards, Dave charset=ISO-8859-1”> href=”YGO_signature_files/colorschememapping.xml”>
Ph On 10/04/2012 08:55, Pierre.Femenias@esa.int wrote: type=”cite”>
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