ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The Siple riometer operates at 30 MHz and has a response time of 0.25 s to increases or decreases in signal intensity1. It utilises a zenith-directed dipole antenna with half-power at 30. The antenna pattern projected to 100km altitude covers a circular area of approximately 120 km diameter. The ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/283278a0
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