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Description Dear Valued Customer, Spirent Support is pleased to inform you of new/updated content relevant to Positioning Technology products that have been posted in the Spirent Knowledge Base. We thought these might be of interest to you because you own Spirent Positioning products and are subscribed to the Positioning Product Updates categories on the CSC.  The following article(s) have been highlighted as relevant to you by Spirent Support. Title: Application Note: Simulation Of Realistic Antenna Noise DocID: DOC10181 Abstract: This Application Note (DAN018) gives guidance on the simulation of more realistic antenna noise levels with Spirent GNSS simulators by manipulating signal levels based on knowledge of receiver and environmental noise temperatures Link: https://support.spirent.com/SpirentCSC/SC_KnowledgeView?id=DOC10181 Title: Positioning Application: How has the real transmit power of GPS Block IIR-M L1 C/A-code been redistributed? DocID: FAQ18147 Abstract: Between February 08 and 09, 2017 all seven operational GPS Block IIR-M satellites were subject to short maintenance periods, during which modifications to the satellites’ transmit power of different L1 signal components were made. This article provides more information on the changes, and how to implement them in the Spirent software. Link: https://support.spirent.com/SpirentCSC/SC_KnowledgeView?id=FAQ18147 Title: Application Note: Interference Mitigation & Testing DocID: DOC11200 Abstract: This Application Note (DAN030) gives guidance on the simulation of RF interference sources when testing a GNSS receiver system. Laboratory simulation in conducted mode or ‘over the air’ mode in a chamber environment is presented as effective, efficient alternatives to field testing. Link: https://support.spirent.com/SpirentCSC/SC_KnowledgeView?id=null&id=DOC11200 If you missed the last bulletin: Here is the reference to the last bulletin in case you missed it. It has articles on Galileo Search and rescue, Antenna patterns, and a GNSS event that happened on 25-26th of January 2016. Link: https://support.spirent.com/SpirentCSC/SC_KnowledgeView?id=NWS10117 ________________________________________ Please note that some content is only available after you log in. If you receive a message stating that the content isn't available, return to the CSC home page and click Login at the top of the page, then enter your Spirent CSC credentials. Thanks for using the Spirent Knowledge Base. The Spirent Support Services Team You can access a full list of newsletters here FAQ18293. If you would like to unsubscribe to this content then please review article SOL10551.