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  • 1
    Electronic Resource
    Electronic Resource
    Fluctuations in Cosmic Radiation at Radio-Frequencies (1946)
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 234-234 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a previous publication1 we described the results of an investigation into the spatial distribution of cosmic electromagnetic noise radiation at 5 metres wave-length. We have recently been engaged in an attempt to make a more detailed determination by using a more sensitive ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/158234a0
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  • 2
    Electronic Resource
    Electronic Resource
    Cosmic Radiations at 5 Metres Wave-length (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 296-297 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE discovery of electromagnetic ‘noise’ radiations at radio frequencies was first made by K. G. Jansky1 who, in a series of measurements at about 20 Mc./s. (λ ≈, 15 m.) was able to establish the close connexion between the direction of greatest intensity and the centre of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157296c0
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  • 3
    Electronic Resource
    Electronic Resource
    Solar and Terrestrial Radio Disturbances (1947)
    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 371-372 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN their description of the solar radio emissions from the great sunspot of February 1946, Appleton and Hey1 pointed out that a number of sudden enhancements of intensity, observed at about 5 metres wave-length, occurred simultaneously with increases in D-layer ionization as ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/160371a0
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  • 4
    Electronic Resource
    Electronic Resource
    Circular Polarization of Solar Radio Noise (1946)
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 339-339 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN two recent communications to these columns1,2 we have reported the existence of powerful radio emissions in the 5-metre wave-length band from sunspot areas. Since such radio waves must travel through regions of considerable ionization in escaping from the sun, it occurred to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/158339a0
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  • 5
    Electronic Resource
    Electronic Resource
    High Power Radar for Ionospheric Research (1968)
    [s.l.] : Nature Publishing Group
    Nature 220 (1968), S. 865-868 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A new high power radar at Malvern is being used to investigate the ionosphere by the incoherent scatter ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/220865a0
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  • 6
    Electronic Resource
    Electronic Resource
    A Radio Method of determining the Velocity of a Shock Wave (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 1184-1185 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] One of the principal tools of research in this field is the shock tube, in which a shock wave in a gas is initiated by suddenly breaking a diaphragm which originally sealed off a part of the tube containing a compressed gas. The precise shock velocity must then be determined experimentally, since ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1791184a0
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  • 7
    Electronic Resource
    Electronic Resource
    Solar Radio Asymmetry at 4-Metres Wave-length (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 771-771 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hey, Parsons and Phillips1 suggested that the asymmetry they had observed might be due to radio absorption in ionized solar corpuscular streams, as the rotation of the sun causes the envelopes of such streams to drift eastwards relative to the active solar regions from which they emanate. They also ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173771a0
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  • 8
    Electronic Resource
    Electronic Resource
    Radio Observations of Hypersonic Shock Waves (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 1220-1221 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Comparison of attenuation of shock waves in argon, initially at room temperature and. 3.0 mm. pressure, using as driver: (a) hydrogen at room temperature and 32.7 atmospheres pressure; (b) a combustion mixture of hydrogen at 6.8 atmospheres pressure with 10 per cent oxygen Fig. 2. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1821220a0
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  • 9
    Electronic Resource
    Electronic Resource
    Derivation of Meteor Stream Radiants by Radio Reflexion Methods (1946)
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 481-482 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE October 1944 we have carried out investigations of the short duration scatter echoes observable in the neighbourhood of the E region of the ionosphere at frequencies well above the critical frequencies for either the normal or abnormal E layers. The general occurrence of such echoes was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/158481a0
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  • 10
    Electronic Resource
    Electronic Resource
    Solar Radiations in the 4–6 Metre Radio Wave-Length Band (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 47-48 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE solar radiation spectrum does not normally extend into the 5-metre wave-length region with sufficient intensity to be detectable on radio receiving equipments in commercial or Service use. It is now possible to disclose that, on one occasion during the War, Army equipments observed solar ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157047b0
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