التفاصيل البيبلوغرافية
| العنوان: |
Variation of 40 kHz Signal Level in Relation to Sunrise, Sunset and Climatic Condition. |
| المؤلفون: |
Guha, A., De, B. K., Saha, A., Das, T. K. |
| المصدر: |
AIP Conference Proceedings; 2007, Vol. 923 Issue 1, p165-168, 4p, 1 Diagram, 1 Chart, 2 Graphs |
| مصطلحات موضوعية: |
SUNRISE & sunset, DIURNAL variations of rainfall, RADIO wave propagation, DISTANCES, RADIO wave attenuation |
| مصطلحات جغرافية: |
JAPAN, INDIA |
| مستخلص: |
The sunrise effect, sunset effect, the diurnal and seasonal variations are the characteristic feature of low frequency (LF) radio wave propagated over a large distance. The normal character has been found to be perturbed during rainy days. The amplitude of 40 kHz signal transmitted from Miyakoji station, Japan and received in North-East India is remarkably attenuated after the commencement of rain. On the basis of nature of attenuation the observed records have been classified into two different forms viz., F1 and F2. An analysis in this regard is represented in this paper. © 2007 American Institute of Physics [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
