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A model‐independent algorithm for ionospheric tomography: 2. Experimental results
Author(s) -
Fehmers G. C.,
Kamp L. P. J.,
Sluijter F. W.,
Spoelstra T. A. T.
Publication year - 1998
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/97rs03008
Subject(s) - ionosonde , tomography , ionosphere , daytime , electron density , d region , oscillation (cell signaling) , geology , middle latitudes , geodesy , physics , meteorology , electron , atmospheric sciences , optics , geophysics , quantum mechanics , biology , genetics
This paper presents the results of an ionospheric tomography experiment over midlatitude Europe. The campaign yielded 539 reconstructions over a 45‐day period in spring 1995. Special attention is paid to the performance of the reconstruction algorithm, specifically by comparison with ionosonde data. Tomography and soundings tend to agree on electron density, but they do not agree on the height of maximum electron density: tomography seems to overestimate H max . Whereas tomography finds a daily oscillation in H max between 250 km (daytime) and 450 km (nighttime), the soundings indicate an oscillation between 200 and 250 km.