坂井，
GPS/GNSSシンポジウム2006 チュートリアルセッション，pp. 171-181，2006年11月
PDF PPT
Performance Requirement of Velocity Estimation for Airborne-based Downward-looking GPS Occultation
T. Yoshihara, N. Fujii, S. Saitoh, T. Sakai, K. Hoshinoo, K. Matsunaga, T. Tsuda, and Y. Aoyama,
Proc. ION GNSS 2006, pp. 653-661, Fort Worth, TX, Sept. 2006
Implementation of Prototype Satellite-Based Augmentation System (SBAS)
T. Sakai, S. Fukushima, N. Arai, and K. Ito,
IGNSS 2006, Gold Coast, Australia, July 2006
GPS広域補強システムのプロトタイプ評価
坂井・福島・新井・伊藤，
電子情報通信学会論文誌，
Vol.J89-B，No.7，pp.1297-1306，2006年7月
Abstract PDF
坂井，GPS/GNSSシンポジウム2005 チュートリアルセッション，pp. 207-246，2005年11月
PDF PPT
Measurement System of Airborne-Based GPS Down-Looking Occultation and Experimental Results
T. Yoshihara, N. Fujii, K. Hoshinoo, K. Matsunaga, S. Saitoh, T. Sakai, T. Tsuda, Y. Aoyama, and S. Danno,
URSI 28th General Assembly, India, Oct. 2005
Relationship between Barometric Altitude and GPS-Based Height
T. Sakai,
ICAO SCRSP/WG-B, Paris, France, WP/B/9-30, Oct. 2005
PDF
SBAS電離層遅延補正方式のアベイラビリティ向上
坂井，
日本航海学会論文集，vol.113，pp.135-142，2005年9月
Modified Ionospheric Correction Algorithm for the SBAS Based on Geometry Monitor Concept
T. Sakai, K. Matsunaga, K. Hoshinoo, and T. Walter,
Proc. ION GNSS 2005, pp. 735-747, Long Beach, CA, Sept. 2005
PDF
Measurement System and Experimental Results of Airborne-based Downward-looking GPS Occultation
T. Yoshihara, N. Fujii, K. Hoshinoo, K. Matsunaga, S. Saitoh, T. Sakai,
T. Tsuda, Y. Aoyama, and S. Danno,
Proc. ION GNSS 2005, pp. 290-297, Long Beach, CA, Sept. 2005
Improving Availability of Ionospheric Corrections in the Low Magnetic Latitude Region
T. Sakai, K. Matsunaga, K. Hoshinoo, and T. Walter,
Proc. ION 2005 National Technical Meeting, pp. 569-579,
San Diego, CA, Jan. 2005
PDF
An Investigation of Local-Scale Spatial Gradient of Ionospheric Delay Using the Nation-Wide GPS Network Data in Japan
T. Yoshihara, T. Sakai, N. Fujii, and A. Saitoh,
Proc. ION 2005 National Technical Meeting, pp. 725-734,
San Diego, CA, Jan. 2005
2004年（平成16年）
Evaluating Ionospheric Effects on SBAS in the Low Magnetic Latitude Region
T. Sakai, K. Matsunaga, K. Hoshinoo, and T. Walter,
Proc. ION GNSS 2004, pp. 1318-1328, Long Beach, CA, Sept. 2004
PDF
Airborne GPS Down-Looking Occultation Experiments
T. Yoshihara, N. Fujii, K. Hoshinoo, K. Matsunaga, S. Saitoh, T. Sakai,
T. Tsuda, Y. Aoyama, and S. Danno,
Proc. ION GNSS 2004, pp. 1713-1723, Long Beach, CA, Sept. 2004
Quasi-Real-Time Signal Delay Estimation of Remote Synchronization System for Onboard Crystal Oscillators
N. Takasaki, A. Iwasaki, T. Iwata, M. Imae, T. Suzuyama, F. Tappero, H. Murakami, N. Arai, T. Sakai, S. Fukushima, and K. Ito,
International Symposium on Space Technology and Science,
Kanazawa, Japan, June 2006