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Autoscala


Computer program designed to automatically scale the main ionospheric characteristics from ionograms

Autoscala is a computer program designed to automatically scale the main ionospheric characteristics from ionograms. It is based on an image recognition technique and can operate without polarization information.

At the moment Autoscala gives as output the following ionospheric characteristics: foF2, MUF(3000)F2, M(3000)F2, foF1, h′Es, and ftEs. Moreover it is also able to give as output an estimation of the bottom vertical electron density profile from the base of the ionosphere up to the maximum electron density NmF2 (which is the electron density associated to the critical frequency foF2).

Autoscala can easily be applied to ionograms recorded by any kind of ionosonde. To date Autoscala is applied on the ionograms recorded by the AIS-INGV installed at Rome (41.8° N, 12.5° E), Gibilmanna (37.9° N, 14.0° E) [Pezzopane and Scotto, 2004; Arokiasamy et al., 2005], in Italy, and Tucumán (26.9° S, 294.6° E) [Pezzopane et al., 2007], in Argentina, and on the ionograms recorded by the VISRC2 ionosonde installed at Warsaw (52.2° N, 21.1° E) [Pezzopane et al., 2008], in Poland, and by the AIS-Parus ionosonde installed at Moscow (55.5° N, 37.3° E), in Russia.

 


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