Radiostrahlung
Bildinfo und Lizenz
© 2016
- 2026
Bildinfo
- Etwa 6 km Wellenlänge: die Voräufer-Antennen der ersten erfolgreichen Übertragung von Radiosignalen über den Atlantik in Cornwall: diesen Anordnung wurde von einem Sturm zerstört und durch eine Anordnung umgedrehte Pyramide ersetzt. Die elektrische Leistung lag bei etwa 25 Kilowatt, die Frequenz wird auf rund 500 Kilohertz geschätzt.
Source
- Created: 1901
- Author: Unknown
- Credit: Archive of Marconi Corporation, PLC
License
Public Domain: This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason: This image is in the public domain because its copyright has expired and its author is anonymous. This applies to the European Union and those countries with a copyright term of 70 years after the work was made available to the public and the author never disclosed their identity. Important: Always mention where the image comes from, as far as possible, and make sure the author never claimed authorship.
Warranty
- No guarantee can be given as to the correctness of facts implied or explicitly stated.
- Usage is completey at your own risk. 💣
Originalseite
- Das Bild ist Teil eines online-Lexikons.
- Rhetos Lernlexikon Mathematik, Aachen:
- Siehe unter 👉 Radiostrahlung