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A digital low power pulse compressed ionosonde was developed at the Istituto Nazionale di Geofisica e Vulcanologia&#13; (INGV), Rome, Italy. The aim of this Advanced Ionospheric Sounder, AIS-INGV, is to reduce the transmitted&#13; power and, consequently, weight, size, power consumption and hardware complexity. To compensate the&#13; power reduction the most advanced HF radar techniques such as the pulse compression and a phase coherent integration&#13; are used. The ionosonde is completely programmable and a PC supports the data acquisition, control, storage&#13; and on-line processing. The first prototype was installed at Gibilmanna Ionospheric Observatory (Sicily), an&#13; interesting location in the center of Mediterranean area. The new ionosonde will contribute to ionospheric database&#13; and real time knowledge of South European ionospheric conditions for space weather applications. In this work the&#13; first results (ionograms and autoscaled characteristics) are presented and briefly discussed

New low power pulse compressed ionosonde at Gibilmanna Ionospheric Observatory