GPS observations of medium-scale traveling ionospheric disturbances over Europe
Otsuka, Y, Suzuki, K, Nakagawa, S, Nishioka, M, Shiokawa, K, Tsugawa, T
Published in Annales geophysicae (1988) (05.02.2013)
Published in Annales geophysicae (1988) (05.02.2013)
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Journal Article
Medium-scale traveling ionospheric disturbances detected with dense and wide TEC maps over North America
Tsugawa, T., Otsuka, Y., Coster, A. J., Saito, A.
Published in Geophysical research letters (01.11.2007)
Published in Geophysical research letters (01.11.2007)
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Journal Article
Ionospheric disturbances detected by GPS total electron content observation after the 2011 off the Pacific coast of Tohoku Earthquake
Tsugawa, T., Saito, A., Otsuka, Y., Nishioka, M., Maruyama, T., Kato, H., Nagatsuma, T., Murata, K. T.
Published in Earth, planets, and space (01.01.2011)
Published in Earth, planets, and space (01.01.2011)
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Journal Article
Medium-scale traveling ionospheric disturbances observed with the SuperDARN Hokkaido radar, all-sky imager, and GPS network and their relation to concurrent sporadic E irregularities
Ogawa, T., Nishitani, N., Otsuka, Y., Shiokawa, K., Tsugawa, T., Hosokawa, K.
Published in Journal of Geophysical Research - Space Physics (01.03.2009)
Published in Journal of Geophysical Research - Space Physics (01.03.2009)
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Journal Article
On postmidnight low-latitude ionospheric irregularities during solar minimum: 1. Equatorial Atmosphere Radar and GPS-TEC observations in Indonesia
Yokoyama, T., Yamamoto, M., Otsuka, Y., Nishioka, M., Tsugawa, T., Watanabe, S., Pfaff, R. F.
Published in Journal of Geophysical Research: Space Physics (01.11.2011)
Published in Journal of Geophysical Research: Space Physics (01.11.2011)
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Journal Article
Two-dimensional simulation of ionospheric variations in the vicinity of the epicenter of the Tohoku-oki earthquake on 11 March 2011
Shinagawa, H., Tsugawa, T., Matsumura, M., Iyemori, T., Saito, A., Maruyama, T., Jin, H., Nishioka, M., Otsuka, Y.
Published in Geophysical research letters (16.10.2013)
Published in Geophysical research letters (16.10.2013)
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Journal Article
Acoustic resonance and plasma depletion detected by GPS total electron content observation after the 2011 off the Pacific coast of Tohoku Earthquake
Saito, A., Tsugawa, T., Otsuka, Y., Nishioka, M., Iyemori, T., Matsumura, M., Saito, S., Chen, C.H., Goi, Y., Choosakul, N.
Published in Earth, planets, and space (01.01.2011)
Published in Earth, planets, and space (01.01.2011)
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Journal Article
On post-midnight field-aligned irregularities observed with a 30.8-MHz radar at a low latitude: Comparison with F-layer altitude near the geomagnetic equator
NISHIOKA, M, OTSUKA, Y, SHIOKAWA, K, TSUGAWA, T, SUPNITHI, P, NAGATSUMA, T, MURATA, K. T, EFFENDY
Published in Journal of Geophysical Research: Space Physics (31.08.2012)
Published in Journal of Geophysical Research: Space Physics (31.08.2012)
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Journal Article
Numerical simulations of atmospheric waves excited by the 2011 off the Pacific coast of Tohoku Earthquake
Matsumura, M., Saito, A., Iyemori, T., Shinagawa, H., Tsugawa, T., Otsuka, Y., Nishioka, M., Chen, C. H.
Published in Earth, planets, and space (01.01.2011)
Published in Earth, planets, and space (01.01.2011)
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Journal Article
Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm
Hosokawa, K., Tsugawa, T., Shiokawa, K., Otsuka, Y., Nishitani, N., Ogawa, T., Hairston, M. R.
Published in Journal of Geophysical Research: Space Physics (01.12.2010)
Published in Journal of Geophysical Research: Space Physics (01.12.2010)
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Journal Article
Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006
Hayashi, H., Nishitani, N., Ogawa, T., Otsuka, Y., Tsugawa, T., Hosokawa, K., Saito, A.
Published in Journal of Geophysical Research: Space Physics (01.06.2010)
Published in Journal of Geophysical Research: Space Physics (01.06.2010)
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Journal Article
Comparison of GPS TEC measurements with IRI TEC prediction at the equatorial latitude station, Chumphon, Thailand
Kenpankho, P., Watthanasangmechai, K., Supnithi, P., Tsugawa, T., Maruyama, T.
Published in Earth, planets and space (01.01.2011)
Published in Earth, planets and space (01.01.2011)
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Journal Article
Conference Proceeding
First spaceborne observation of the entire concentric airglow structure caused by tropospheric disturbance
Akiya, Y., Saito, A., Sakanoi, T., Hozumi, Y., Yamazaki, A., Otsuka, Y., Nishioka, M., Tsugawa, T.
Published in Geophysical research letters (16.10.2014)
Published in Geophysical research letters (16.10.2014)
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Journal Article
Clinical Results of Stereotactic Body Radiation Therapy (SBRT) for Stage IB (T2aN0M0) Non-Small Cell Lung Cancer (NSCLC)
Hashizume, C, Shibamoto, Y, Tsugawa, T, Otsuka, S, Hayashi, A, Takaoka, T
Published in International journal of radiation oncology, biology, physics (01.11.2015)
Published in International journal of radiation oncology, biology, physics (01.11.2015)
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Journal Article
Comparison of E layer critical frequency over the Thai station Chumphon with IRI
Wongcharoen, P., Kenpankho, P., Supnithi, P., Ishii, M., Tsugawa, T.
Published in Advances in space research (15.04.2015)
Published in Advances in space research (15.04.2015)
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Journal Article
Dosimetric comparison of hypofractionated stereotactic radiotherapy by three different modalities for benign skull base tumors adjacent to functioning optic pathways
Mori, Y, Nakazawa, H, Hashizume, C, Tsugawa, T, Murai, T
Published in International journal of radiation research (01.10.2019)
Published in International journal of radiation research (01.10.2019)
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Journal Article
GPS detection of total electron content variations over Indonesia and Thailand following the 26 December 2004 earthquake
Otsuka, Y., Kotake, N., Tsugawa, T., Shiokawa, K., Ogawa, T., Effendy, Saito, S., Kawamura, M., Maruyama, T., Hemmakorn, N., Komolmis, T.
Published in Earth, planets, and space (01.01.2006)
Published in Earth, planets, and space (01.01.2006)
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Journal Article
Long-distance propagation of ionospheric disturbance generated by the 2011 off the Pacific coast of Tohoku Earthquake
Chen, C. H., Saito, A., Lin, C. H., Liu, J. Y., Tsai, H. F., Tsugawa, T., Otsuka, Y., Nishioka, M., Matsumura, M.
Published in Earth, planets, and space (01.01.2011)
Published in Earth, planets, and space (01.01.2011)
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Journal Article
First observational evidence for opposite zonal electric fields in equatorial E and F region altitudes during a geomagnetic storm period
Tulasi Ram, S., Balan, N., Veenadhari, B., Gurubaran, S., Ravindran, S., Tsugawa, T., Liu, H., Niranjan, K., Nagatsuma, T.
Published in Journal of Geophysical Research: Space Physics (01.09.2012)
Published in Journal of Geophysical Research: Space Physics (01.09.2012)
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