The Communication/Navigation Outage Forecasting System (C/NOFS) mission was designed to specify and predict geophysical conditions that degrade the transionospheric propagation of radio signals at low latitudes. Its two major constituents are the C/NOFS satellite [de La Beaujardière et al., 2004] and the Scintillation Network Decision Aid (SCINDA) global network of ground stations that monitor the quality of UHF and L band transmissions through the low-latitude ionosphere [Groves et al., 1997]. The C/NOFS satellite is a three-axis stabilized vehicle that was launched in April 2008 into a 13° inclined orbit with initial apogee and perigee near 850 and 400 km, respectively. The satellite was a long time in the making; more than a full solar cycle passed between mission approval and launch. To prepare for the mission, a group of Air Force Research Laboratory (AFRL) analysts examined the systematics of equatorial plasma bubbles (EPBs) encountered in the evening local time sector by spacecraft of the Defense Meteorological Satellite Program (DMSP)


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    Title :

    Images of Bottomside Irregularities Observed at Topside Altitudes


    Contributors:
    W. J. Burke (author) / L. C. Gentile (author) / S. R. Shomo (author) / P. A. Roddy (author) / R. F. Pfaff (author)

    Publication date :

    2012


    Size :

    13 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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