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 ITU Home > Space Weather Laboratory > ITU Dynasonde: Introduction directory 

Latest Istanbul Ionogram from Real-Time Analysis

Note: The ionogram image above is updated automatically.

Dynasonde is an advanced technique of ionospheric radio sounding, the only existing one that fully implements the phase-based methods of radio measurements. The dynasonde setup at the Ionospheric Observatory of the Istanbul Technical University is a continuously operating complex of the newest Scion HF Radar ("VIPIR") and the data processing software Dynasonde Software Suite 2012 including its 3-D plasma density inversion procedure NeXtYZ.


Geographical coordinates:
29°1'43.71" E
41°6'1.20" N
URSI Code IS141

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Inverse Delta transmit antenna  Receive antennas field

Using this page you can watch the current state of the ionosphere over Istanbul. Comparison of the ionogram date and time with the current date and time shown above allows one to judge about an operational state of the system. To get a full access to the present and past data analysis results you need to type in your User Name and Password for this system in the fields on the top of this page and to click on the "Enter" button. To obtain the account information please send an enquiry to Prof. Zerefsan Kaymaz.

IS141: Graphical display of the last 24 hours results