The Low-latitude Ionospheric Sensor Network (LISN): Initial Measurements

Details The Low-latitude Ionospheric Sensor Network (LISN): Initial Measurements The Low-latitude Ionospheric Sensor Network (LISN): Initial Measurements

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa11a1496v&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #SA11A-1496

Physics

2415 Equatorial Ionosphere, 2427 Ionosphere/Atmosphere Interactions (0335), 2437 Ionospheric Dynamics, 2439 Ionospheric Irregularities

Scientific paper

This paper describes the characteristics and illustrates the early measurements of the first distributed observatory that is being installed in the South American region to study the low-latitude ionosphere and upper atmosphere. The LISN distributed observatory will be comprised of nearly 70 GPS receivers with the capability to measure Total Electron Content (TEC), amplitude and phase scintillation and Traveling Ionospheric Disturbances (TIDs). The network will include 5 ionosondes able to measure nighttime E-region densities and 5 collocated magnetometers that will be placed along the same magnetic meridian. This network of GPS receivers and ionospheric sensors span from north to south in the South American continent west of the 55o West meridian. In addition to introducing the present capabilities of the LISN network, this paper will present the results of the first LISN campaign dedicated to detect medium-scale (~100 km) TIDs that was conducted at Huancayo using 3 closely-spaced GPS receivers. This paper also presents initial calculations of the vertical drift velocity using 3 magnetometers, two of them placed off the equator in opposite hemispheres and a detailed description of the measurements of the first LISN ionosonde that is presently operating near the magnetic equator.

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