Letter to the Editor: First complementary observations by ionospheric tomography, the EISCAT Svalbard radar and the CUTLASS HF radar

• Published in: Annales Geophysicae
• Main Authors: Mitchell, C. N., Walker, I. K., Pryse, S. E., Kersley, I., McCrea, I. W., Jones, T. B.
• Format: Text
• Language: English
• Published: 2018
• Subjects: Svalbard; EISCAT
• Online Access: https://doi.org/10.1007/s00585-998-1519-2; https://angeo.copernicus.org/articles/16/1519/1998/

Experimental results are presented from ionospheric tomography, the EISCAT Svalbard radar and the CUTLASS HF radar. Tomographic measurements on 10 October 1996, showing a narrow, field-aligned enhancement in electron density in the post-noon sector of the dayside auroral zone, are related to a temporal increase in the plasma concentration observed by the incoherent scatter radar in the region where the HF radar indicated a low velocity sunwards convection. The results demonstrate the complementary nature of these three instruments for polar-cap ionospheric studies. Key words. Ionosphere · Auroral ionosphere · Polar ionosphere · Radio science (ionospheric physics)