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The EGNOS System Test Bed (ESTB) will interrupt transmission on PRN 131 starting from Friday the 27th of May 2005. Consequently, ESA is planning the migration of the SISNeT platform from the ESTB to EGNOS before that date.

A three-step approach will be followed:

Step 1. SISNeT will monitor only the AOR-E GEO satellite (PRN 120) instead of IOR (PRN 131).
Step 2. SISNeT will provide access to the AOR-E (PRN 120), Artemis (PRN 124) and IOR-W (PRN 126) satellites simultaneously, through three different ports.
Step 3. The SISNeT Data Server will be upgraded from current version 2.1 to a new version 3.1 (ESA will make the new UID 3.1 available with enough advance).

In particular, Step 1 will be completed on Thursday the 26th of May 2005. The SISNeT platform will start then monitoring the AOR-E (PRN120) Geostationary satellite, instead of IOR (PRN 131). The PRN120 transmission will be accessible at the usual IP address 131.176.49.142, at the usual port 7777 and employing the current SISNeT Data Server Version 2.1. The test version of the SISNeT Data Server V3.0 (previously available at port 7778 for testing purposes) will become unnaccessible starting from the 26th of May 2005.

Steps 2 and steps 3 shoud be available this summer 2005 (precise dates to be communicated to you soon). We will inform all sisnet users by e-mail, and also through the SISNeT Website, before and after the implementation of the three migration steps.

Please, notice that during the whole 26th of May 2005, minor interruptions in the SISNeT Service may take place.

 

 
 
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