UNDER CONSTRUCTION

Please note that many of my presentations were lost due to the theft of my laptop and backup drive in late 2012. I am still in the process of reconstructing the list of presentations.

• 2014-07-10: Wide-field (ionospheric) calibration for (low-frequency) radio-interferometric observations, OCA Nice, France
• 2014-06-24: SPAM: A data reduction recipe for high-resolution, low-frequency radio-interferometric observations, Hamburg Observatory, Germany
• 2014-06-19: SPAM: A data reduction recipe for high-resolution, low-frequency radio-interferometric observations, Leiden Observatory, The Netherlands
• 2014-04-08: The making of T-RaMiSu - Postdoc symposium, NRAO Charlottesville VA, USA

• 2013-12: SPAM: A data reduction recipe for high-resolution, low-frequency radio-interferometric observations - Conference “The Metre-Wavelength Sky”, Pune, India ( external video link)
• 2013-12: The New VLA Low-Band System - poster, Conference “The Metre-Wavelength Sky”, Pune, India
• 2013-02: SPAM ionospheric calibration - invited, 3GC3 workshop “The Elephants In The Room”, Port Alfred, South Africa
• 2013-01: Ionospheric calibration - invited, Workshop “Imaging the Low Frequency Radio Sky with LOFAR”, Leiden, The Netherlands

• 2012-11: Ionospheric calibration of low-frequency radio interferometric observations - invited, 7th SKA Africa postgraduate bursary conference, Stellenbosch, South Africa
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• 2011-05: Low-frequency radio astronomy during a geomagnetic storm - invited, Space Science & Remote Sensing Divisions Joint Colloquium Series, Naval Research Lab, Washington, DC, USA
• 2011-05: Recent progress in ionospheric modeling for calibrating radio interferometers - 13th International Ionospheric Effects Symposium, Session 4B, Alexandria, VA, USA
• 2011-04: The GMRT experience - Postdoc symposium, NRAO Charlottesville VA, USA
• 2011-01: Recent progress in ionospheric modeling for calibrating radio interferometers - invited, USNC-URSI National Radio Science Meeting, Session GJ1, Boulder, CO, USA

• 2010-08: Characterizing small-scale ionospheric fluctuations with low-frequency radio interferometers - 5th SKA Workshop on Calibration and Imaging (CALIM2010), ASTRON, Dwingeloo, The Netherlands
• 2010-06: The case of 3C 326: VLA 74 MHz observations during a geomagnetic storm - poster, International SKA Forum, Assen, The Netherlands
• 2010-04: Reduction of 74 MHz VLA observations using SPAM - Postdoc symposium, NRAO Green Bank WV, USA
• 2010-02: Reduction of 74 MHz VLA observations using SPAM - Pizza lunch talk, NRAO Socorro NM, USA
• 2010-01: Radio interferometry beyond metre-wavelengths: wide fields, ionosphere and interference - invited, Colloquium, Leiden Observatory, The Netherlands

• 2009-06: Low-frequency, high-resolution radio images of the Abell 2256 cluster - LOFAR Galaxy Cluster meeting, Leiden Observatory, The Netherlands
• 2009-06: Ionospheric calibration of low radio frequency interferometric observations using SPAM - invited, Leiden University supervisory board visit, The Netherlands
• 2009-01: Ionospheric calibration of low radio frequency interferometric observations using SPAM - Pizza lunch talk, NRAO Socorro NM, USA
• 2009-01: Ionospheric calibration of low radio frequency interferometric observations using SPAM - PandA lunch talk, UNM, Albuquerque NM, USA

• 2008-11: Ionospheric calibration of low radio frequency interferometric observations using SPAM - Remote Sensing Division lunch talk, Naval Research Lab, Washington DC, USA
• 2008-11: Ionospheric calibration of low radio frequency interferometric observations using SPAM - TUNA lunch talk, NRAO Charlottesville VA, USA
• 2008-09: LOFAR and the challenge of calibrating out the ionosphere - Sterrewacht science day, Leiden Observatory, The Netherlands
• 2008-08: Ionospheric calibration with SPAM - 2nd Million Source Shallow Survey (MSSS) meeting, ASTRON, Dwingeloo, The Netherlands
• 2008-05: Ionospheric calibration with SPAM - LOFAR Ionosphere and Simulations (LIONS) meeting, Leiden Observatory, The Netherlands
• 2008-05: Ionospheric calibration with SPAM - LOFAR survey team meeting, Leiden Observatory, The Netherlands
• 2008-05: A new method for ionospheric calibration of low frequency arrays - Dutch Astronomers Conference (NAC), Dalfsen, The Netherlands
• 2008-04: A new method for ionospheric calibration of low frequency arrays - Conference “Deep Surveys with SKA Pathfinders”, UWA, Perth, Australia

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