Dr. Aletha de Witt Profile

Dr. Aletha de Witt

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Publications (3)

Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Preliminary design of 18-45 GHz radio astronomy receiver

Sitwala Mundia, Aletha De Witt, Fanie van den Heever, Sias Malan, Tinus Stander

Proceedings Volume 11453, 1145348 (2020) https://doi.org/10.1117/12.2562026

KEYWORDS: Receivers, Radio astronomy, K band, Radio telescopes, Observatories, Spectroscopy, Spectrometer engineering, Molecules, Silicon, Geodesy

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Proceedings Article | 13 December 2020 Presentation + Paper

Progress toward improved water vapour radiometry: an overview of the South Africa-Mexico bilateral programme

Tinus Stander, Roger Deane, Dirk I. de Villiers, Aletha de Witt, Daniel Ferrusca Rodríguez, David Hiriart, Stanley Kurtz, Fanie van den Heever, Miguel Velázquez de la Rosa Becerra

Proceedings Volume 11445, 114451B (2020) https://doi.org/10.1117/12.2562017

KEYWORDS: Radiometry, Astronomy, Observatories, Geodesy, Interferometry, Troposphere, Astronomical telescopes, Telescopes, Radio astronomy, Prototyping

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Proceedings Article | 13 December 2020 Poster + Paper

The potential for a K-band receiver on the Large Millimeter Telescope

Stanley Kurtz, Tinus Stander, Dirk I. de Villiers, William Cerfonteyn, Aletha de Witt, Daniel Ferrusca Rodríguez, David Hiriart, David Hughes, Christopher Jacobs, Laurent Loinard, Fanie van den Heever, Miguel Velázquez de la Rosa Becerra

Proceedings Volume 11453, 1145340 (2020) https://doi.org/10.1117/12.2563132

KEYWORDS: Receivers, K band, Telescopes, Astronomy, Geodesy, Astrochemistry, Satellites, Remote sensing

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