
5 papers were published in 2018.
  1.	Nozawa,S., T.Kawabata, K.Hosokawa, Y.Ogawa, T.T.Tsuda, A.Mizuno, R.Fujii, C.M.Hall  
  A new five-wavelength photometer operated in Tromsø (69.6ºN, 19.2ºE). 
  Earth, Planets and Space,70, 193, 2018.
  2.	Oyama,S., T.T.Tsuda, K.Hosokawa, Y.Ogawa, Y.Miyoshi, S.Kurita, A.E.Kero, R.Fujii, Y.Tanaka, A.Mizuno, T.Kawabata, B.Gustavsson, T.Leyser  
  Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm. 
  Earth, Planets and Space, 70, 166, 2018.
  3.	Tsuda,T.T., M.T.Rietveld, M.J.Kosch, S.Oyama, Y.Ogawa, K.Hosokawa, S.Nozawa, T.Kawabata, A.Mizuno  
  Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromsø using dynasonde data. 
  Earth, Planets and Space, 70, 94, 2018.
  4.	Tsuda,T.T., M.T.Rietveld, M.J.Kosch, S.Oyama, K.Hosokawa, S.Nozawa, T.Kawabata, A.Mizuno, Y.Ogawa  
  Survey of conditions for artificial aurora experiments at EISCAT Tromsø using dynasonde data. 
  Earth, Planets and Space, 70, 40, 2018.
  5.	Virtanen,I.I., B.Gustavsson, A.Aikio, A.Kero, K.Asamura, Y.Ogawa  
  Electron energy spectrum and auroral power estimation from incoherent scatter radar measurements. 
  Journal of Geophysical Research: Space Physics, 123, 6865-6887, 2018.