Figure 4.
Tidal waves and corresponding fits (from the top row down) for the neutral argon density, neutral mass density, electron density, and MCD model density, for 26 March–14 April 2016 for higher altitudes, 245 km to 265 km, SLT ~18–13 h, SZA ~72–55°, LAT ~71–74° north, and Ls from ~125° to ~138°.