Ionospheric Variability Following the Tonga Volcano Eruption and the Impact on Precise Point Positioning Across the Australian Region

Brett A Carter1, Rezy Pradipta2, Tam Dao1, Julie Currie3, Suelynn Choy1, Philip James Wilkinson4, Phillip Maher5,6 and Richard A Marshall5, (1)RMIT University, SPACE Research Centre, Melbourne, VIC, Australia, (2)Boston College, Chestnut Hill, MA, United States, (3)RMIT University, SPACE Research Centre, Melbourne, SA, Australia, (4)IPS (retired), Mosman, NSW, Australia, (5)Australian Bureau of Meteorology, Space Weather Services, Sydney, Australia, (6)Now at: Riverbed Technology, Sydney, Australia