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Assessing the Quality of Ionogram Interpretation Using the Hf Doppler Technique : Volume 25, Issue 4 (08/05/2007)

By Buresova, D.

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Book Id: WPLBN0004001689
Format Type: PDF Article :
File Size: Pages 10
Reproduction Date: 2015

Title: Assessing the Quality of Ionogram Interpretation Using the Hf Doppler Technique : Volume 25, Issue 4 (08/05/2007)  
Author: Buresova, D.
Volume: Vol. 25, Issue 4
Language: English
Subject: Science, Annales, Geophysicae
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2007
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Drobzheva, Y., Lastovicka, J., Hruska, F., Krasnov, V., Chum, J., & Buresova, D. (2007). Assessing the Quality of Ionogram Interpretation Using the Hf Doppler Technique : Volume 25, Issue 4 (08/05/2007). Retrieved from http://kindle.worldlibrary.net/


Description
Description: Institute of Atmospheric Physics, 14131 Prague, Czech Republic. The first joint common volume measurements by the Digisonde Portable Sounder (DPS-4) and a new Doppler type system has been run at the Pruhonice ionospheric observatory (49.99° N, 14.54° E) since January 2004. The measurement of the Doppler shift is carried out continuously on a frequency of 3.6 MHz, thus the radio wave is reflected predominantly from the ionospheric F layer. To compare digisonde measurements with the Doppler data, a phase path was calculated from both Doppler and digisonde records. Under stormy conditions and in the case where a sporadic E layer was present, a significant disagreement between both measurements has been found. The discrepancies could be related to the uncertainties of the observational inputs and to the interpretation of the digisonde data. The comparison of the phase paths shows that during geomagnetically quiet days, in the absence of the sporadic E layer, and when high quality ionograms are available and correctly scaled, the electron density N(h) profiles, calculated by the Automatic Real Time Ionogram Scaler with True height algorithm (ARTIST), can be considered reliable.

Summary
Assessing the quality of ionogram interpretation using the HF Doppler technique

Excerpt
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