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Karl Rawer

Karl Rawer German physicist

German physicist
The basics
Quick Facts
Intro German physicist
A.K.A. Rawer, Karl Maria Alois Rawer
Was Scientist Physicist Writer
From Germany
Type Literature Science
Gender male
Birth 19 April 1913, Neunkirchen, Germany
Death 17 April 2018, March, Germany
Star sign AriesAries
The details
Biography
Professor Rawer at his 104th birthday in 2017

Karl Maria Alois Rawer (19 April 1913 – 17 April 2018) was a German specialist in radio wave propagation and the ionosphere. He developed the analytical code to determine suitable frequency ranges for short wave communication by which German forces built-up their long distance communications during World War II.

Biography

After studies of mathematics and physics in Freiburg and Munich (with Arnold Sommerfeld), under Jonathan Zenneck he wrote a thesis on partial reflection of radio waves in an ionospheric layer. Aware of this Johannes Plendl charged him to serve as adviser for the Shortwave communications of the German Luftwaffe, since 1943 for Navy and Army as well.

Rawer's code assumes zig-zag paths between Earth and ionosphere. Monthly predictions take account of day-to-day variations. Long term changes from solar cycles is taken account of by Wolfgang Gleißberg´s prediction method.

After the war Yves Rocard, then director of French Navy research, was impressed by Rawer's code. He engaged him as "directeur scientifique" (1946–56) of his newly founded "Service de Prevision Ionospherique".

Between 1956–69, Rawer, serving in Germany as director of "Ionosphären-Institut Breisach" switched to space research. With his team he participated in the first French scientific rocket launch 1954 in the Sahara desert and later they experimented aboard rockets of different nationality.

From 1958 to 1964, he was "professeur associe" at the University of Paris. Rawer held several offices in the international space research organisation COSPAR. As director of "Fraunhofer-Institut für physikalische Weltraumforschung" (1969–79) he became the father of the two AEROS satellites, launched in 1972 and 1974.

He was actively engaged in the International Geophysical Year (gold button 2007) and follow-ups. In the International Union of Radio Science (URSI) he served with William Roy Piggott as co-author of the booklet on ionogram reduction and was vice-chairman and chairman of the ionospheric committee 1966–72. He was the father and longtime chairman of the International Reference Ionosphere that since 1999 is International Standard.

Rawer was doctor honoris causa of the University of Düsseldorf, corresponding member of the International Academy of Astronautics and of "Oesterreichische Akademie der Wissenschaften Wien". He died on 17 April 2018 in March, Breisgau, two days before his 105th birthday.

Sources

  • Karl Rawer: "Meine Kinder umkreisen die Erde" (autobiography). Herder, Freiburg i. Brsg., 159 S. 1986, ISBN 3-451-08226-8
  • Bodo W. Reinisch: "Karl Rawer´s lfe and the history of the IRI". Adv. Space Res. 34, 1845R 2004
  • Dieter Bilitza: "35 Years of International Reference Ionosphere - Karl Rawer´s legacy". Adv. Radio Sci. 2, 283, 2004
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Reference sources
References
https://www.researchgate.net/publication/280725924_Karl_Rawer_space_research_and_international_cooperation_-_Laudation_on_the_occasion_of_the_100th_birthday_of_Professor_Karl_Rawer
https://books.google.com/books?id=KqDNAAAACAAJ
https://books.google.com/books?id=bUhgrgEACAAJ&pg=PA154
https://books.google.com/books?id=BUFIAQAAIAAJ&pg=PA216
https://books.google.com/books?id=vGOwoAEACAAJ
https://books.google.com/books?id=3NiCoAEACAAJ
https://books.google.com/books?id=KiM6HAAACAAJ
https://books.google.com/books?id=RAf1CAAAQBAJ
https://books.google.com/books?id=Q_C5AAAAIAAJ
http://anzeigen.badische-zeitung.de/trauer/traueranzeigen-und-nachrufe/prof-karl-rawer
http://ccmc.gsfc.nasa.gov/modelweb/ionos/iri.html
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