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Environment/Versions Spirent PT software and hardware products, and services Positioning, Navigation and Timing technical content and protocols Answer Use the following links to review the content of Spirent Positioning's Newsletter articles NWS10118 - New/updated content for Positioning Technology products - December 2017 - PosApp V6.01 SR02 release, Red Compliance, Connecting an RF simulator to a GNSS receiver. NWS10117 - New/updated content for Positioning Technology products - February 2018 - What is Galileo Search and Rescue? Keeping your Eye on the Sky, What happened on January 25-26 2016? NWS10121 - New/updated content for Positioning Technology products - March 2018 - Simulation of realistic antenna noise, How has the real transmit power of Block IIR-M L1 C/A code been redistributed?, Interference Mitigation and Testing. NWS10143 - New/updated content for Positioning Technology products - April 2018 - What is SimGEN to KML?, What is a Leap second event?, What is ETSI TS 103246?. NWS10145 - New/updated content for Positioning Technology products - May 2018 - What is EGNOS? what is the eCall specification? Details on work being down to test eCall devices. NWS10147 - New/updated content for Positioning Technology products - June 2018 -  PosApp V6.02 and V6.03 Release, GSS6459 V3 Software upgrade, Beidou Phase 3 signals support in PosApp, Satellite clock errors. NWS10153 - New/updated content for Positioning Technology products - July 2018 -  Roll over simulation, timing and navigation in UAVs, GPS spoofing attack sends 38 drivers the wrong way, PosApp software enhancements 2018 NWS10170- New/updated content for Positioning Technology products - September 2018 -  UN-R144 specification, ERA-GLONASS, Windows 10 Support, default base signal powers used in PosApp, advanced notice of Bulk Logging changes.