Accession Number : ADA581050


Title :   High-Resolution Structural Monitoring of Ionospheric Absorption Events


Descriptive Note : Technical rept. 21 Jul 2010-30 Apr 2012


Corporate Author : NEW MEXICO UNIV ALBUQUERQUE OFFICE OF THE VICE PROVOST FOR RESEARCH


Personal Author(s) : Rickard, Lee J


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a581050.pdf


Report Date : Jul 2013


Pagination or Media Count : 21


Abstract : Under this task, we have augmented the hardware of the Long Wavelength Array (LWA) to provide a significant riometric capability, in order to search for anomalous absorption events that are associated with radiation belt precipitation events. Although limitations arising from initial data quality and radio frequency interference (RFI) have slowed implementation, the DTRA-supported augmentations are being incorporated into the standard data flow of the Prototype All-Sky Imager (PASI), in order to give real-time, 24/7 riometry. Incorporation of an outrigger site, to enable treatment of the unknown structure of the celestial background and the effects of confusion noise, was completed. However, RFI issues have prevented combination of outrigger data with LWA1.


Descriptors :   *RADIATION BELTS , ARRAYS , IONOSPHERE , RADIO INTERFEROMETRY , RADIOFREQUENCY INTERFERENCE


Subject Categories : Astrophysics


Distribution Statement : APPROVED FOR PUBLIC RELEASE