Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm51a1314w&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SM51A-1314
Physics
[2437] Ionosphere / Ionospheric Dynamics, [2439] Ionosphere / Ionospheric Irregularities, [2447] Ionosphere / Modeling And Forecasting
Scientific paper
Research is being carried out at UNM to recreate a three dimensional model of the Earth's ionosphere by incorporating data from GPS, GPS occultation and combining it with data from the Very Large Array (VLA) radio telescope. For three days in September of 2007, the VLA recorded data at 73.8 MHz in its largest configuration. The VLA proves to be highly sensitive to total electron content variations of the ionosphere within about a 30 km area. In addition, there are hundreds of GPS receiver stations spread throughout the U.S., each of which provide detailed information on the slant and vertical total electron content (TEC) that modifies the carrier phase signal from the satellites. Our goal is to combine TEC measurements from these GPS receiver stations that are localized around the southwestern United States with the data taken from the VLA to model the ionosphere in a three dimensional regional scale. Preliminary results show a consistent picture, and have identified a traveling ionospheric disturbance (TID) in the data.
Karle J.
Watts Christopher
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