Digitale Medien
[s.l.]
:
Nature Publishing Group
Nature
208 (1965), S. 64-65
ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] It has now been possible to extend the scaled aerial measurements of sky temperature down to a frequency of 14-1 Mc/s. The present sunspot minimum resulted in low values of the ionospheric critical frequencies, allowing unhampered night-time observations at this frequency. The frequency of the ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/208064a0
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