WebMay 1, 2024 · Hainan COherent scatter Phased Array Radar has recorded four patches of daytime F‐region field‐aligned irregularities on 31 May 2024, and it is the first time to investigate the daytime ... WebMultireceiver and multifrequency radar imaging were carried out with the 46.5 MHz MU radar in Japan (34.85°N and 136.10°E) to examine the aspect sensitivity of field-aligned plasma irregularities (FAIs) in the mid-latitude ionosphere E region. A radar beam was directed to geographic north and at 51° zenith angle, which was normal to the geomagnetic field …
A Statistical Study of F‐Region 3.2‐m‐Scale Field‐Aligned ...
WebOct 16, 2024 · The two field-aligned irregularities (FAIs) appeared in the topside F2-layer and presented small Doppler velocities and narrow spectral widths. The fan sector maps … WebOct 22, 2024 · Field-aligned irregularity (FAI) in the E region is also observed by Very High Frequency (VHF) radar in mid-latitude regions. FAI frequently occurs after … herinja vas
Ducting of incoherent scatter radar waves by field-aligned irregularities
WebMay 8, 2009 · [1] We report simultaneous observations of medium-scale traveling ionospheric disturbances (MSTIDs) and field-aligned irregularities (FAIs) in the F region using two all-sky airglow imagers and the middle and upper atmosphere (MU) radar. MSTIDs propagating southwestward were observed simultaneously in 630-nm airglow … WebJan 23, 2024 · In this paper, we present the first implementation of MIMO techniques to improve the spatial resolution of aperture synthesis radar imaging of daytime equatorial electrojet irregularities observed using the Jicamarca Radio Observatory (JRO). Our implementation uses two spatially separated transmitters and four spatially separated … WebJul 13, 2024 · A duplicate write-in vote for singer Kanye West was a big clue that some absentee ballots had been counted twice in Fulton County. Digital ballot images made … herink stodola menu