Conjugate imaging riometer observation at polar cusp/cap stations: A daytime absorption event for a specific change of solar wind conditions (scientific paper)
Using the imaging riometers at Ny-Ålesund and Danmarkshavn in the Arctic region, and Zhongshan in Antarctica, a daytime absorption spike event was observed at both hemispheric stations in the post-noon (13-15 h MLT) on August 3,1997. The conjugate absorption spikes with a quasi-periodic feature were...