[Aarons J., (1997): GPS system phase fluctuations at auroral latitudes, Journal of Geophysical Research, Vol. 102, A8, pp. 17219-17231.]Search in Google Scholar
[Aarons J., Mendillo M., Yantosca R., (1997): GPS phase fluctuations in the equatorial region during sunspot minimum. Radio Science, Vol. 32, No 4, pp. 1535-1550.10.1029/97RS00664]Search in Google Scholar
[Aarons J., Lin B., Mendillo M., Liou K., Codrescu M., (2000): Global Positioning System phase fluctuations and ultraviolet images from the Polar satellite, Journal of Geophysical Research, Vol. 105, A3, pp. 5201-5213.]Search in Google Scholar
[Baran L.W., Shagimuratov I.I., Tepenitsina N.J., (1997): The use of GPS for ionospheric studies, Artificial Satellites, Vol. 32, No 1, pp. 49-60.]Search in Google Scholar
[Basu Su., MacKenzie E., Basu S., Carlson H.C., Hardy D.A., Rich F.J., Livingston R.C., (1983): Coordinated measurements of low energy electron precipitation and scintillations TEC in the auroral oval, Radio Science Vol., 18, pp. 1151-1165.]Search in Google Scholar
[Basu Su., Basu S., MacKenzie E., Coley W.R., Hanson W.R., Lin C.S., (1984): F region electron density irregularity spectra near auroral acceleration and shear regions, Journal of Geophysical Research, Vol. 89, pp. 5554-5564.]Search in Google Scholar
[Basu Su., Basu S., Eastes R., Huffman R.E., Daniell R.E., Chaturvedi P.K., Valladares C.E., Livingston R.C., (1993): Remote sensing of auroral E region plasma structures by radio, radar, and UV techniques at solar minimum, Journal of Geophysical Research, Vol. 98, 1569-1602.]Search in Google Scholar
[Basu S., Groves K.M., Quinn J.M., Doherty P., (1999): A comparison of TEC fluctuations and scintillations at Ascension Island, Journal of Atmosphere and Solar-Terrestrial Physics, Vol. 61, pp. 1219-1226.]Search in Google Scholar
[Coker C., Hunsucker R., Lott G., (1995): Detection of auroral activity using GPS satellites, Geophysical Research Letters, Vol. 22, No 23, pp. 3259-3262.]Search in Google Scholar
[Doherty P., Raffi E., Klobuchar J., El-Arini M.B., (1994): Statistics of time rate of change of ionospheric range delay, In: Proceedings of ION GPS-94, Part 2, Salt Lake City, 1589 pp.]Search in Google Scholar
[Hargreaves J.K., Burns C.J., (1996): Electron content measurements in the auroral zone using GPS: preliminary observations of the main trough and a survey of the degrees of irregularity in summer, Journal of Atmosphere and Terrestrial Physics, Vol. 58, pp. 1449-1457.]Search in Google Scholar
[Hugentobler U., Schaer S., Fridez P. (eds), (2001): Bernese GPS Software Version 4.2, Astronomical Institute, University of Berne, February 2001.]Search in Google Scholar
[Jakowski N., (1996): TEC Monitoring by Using Satellite Positioning Systems, Modern Ionospheric Science - A collection of Articles Published on the Occasion of the Anniversary: "50 Years of Ionospheric Research in Lindau", edited by Kohl H., Ruster R. and Schlegel K., European Geophysical Society, Katlenburg-Lindau, pp. 371-390.]Search in Google Scholar
[Kersley L., Pryse S.E., Wheadon N.S., (1988a): Amplitude and phase scintillation at high latitudes over northern Europe, Radio Science, Vol. 23, pp. 320-330.10.1029/RS023i003p00320]Search in Google Scholar
[Kersley L., Chandra H., (1988b): Scintillation at high latitudes during winter magnetic storms, Journal of Atmosphere and Terrestrial Physics, Vol. 50, pp. 565-572.10.1016/0021-9169(88)90115-8]Search in Google Scholar
[Kersley L. Pryse S.E., Wheadon N.S., (1988c): Small scale ionospheric irregularities near regions of soft particle precipitation: scintillation and EISCAT observations, Journal of Atmosphere and Terrestrial Physics, Vol. 50, pp. 1047-1055.10.1016/0021-9169(88)90094-3]Search in Google Scholar
[Kersley L., Russell C.D., Pryse S.E., (1989): Scintillation and EISCAT investigations of gradient-drift irregularities in the high latitude ionosphere, Journal of Atmosphere and Terrestrial Physics, Vol. 51, pp. 241-247.]Search in Google Scholar
[Kersley L., Russell C.D., Rice D.L., (1995): Phase scintillations and irregularities in the northern polar ionosphere, Radio Science, Vol. 30, pp. 619-629.]Search in Google Scholar
[Krankowski A., Baran L.W., Shagimuratov I.I., (2002): Influence of the Northern Ionosphere on Positioning Precision, Physics and Chemistry of the Earth, Vol. 27, pp. 391-395.]Search in Google Scholar
[Krankowski A., Shagimuratov I.I., Baran L.W., Ephishov I.I., (2005): Study of TEC fluctuations in Antarctic ionosphere during storm using GPS observations, Acta Geophysica Polonica, Vol. 53, No 2, pp. 205-218.]Search in Google Scholar
[MacDougall J.W., (1990): Distribution of irregularities in the northern polar region determined from HILAT observations, Radio Science, Vol. 25, pp. 115-124.]Search in Google Scholar
[Pi X., Manucci A.J., Lindqwister U.J., Ho C.M., (1997): Monitoring of global ionospheric irregularities using the worldwide GPS network, Geophysical Research Letters Vol 24, No 18, pp. 2283-2286.]Search in Google Scholar
[Wanninger L., (1993): The occurrance of ionospheric disturbances above Japan and their effects on GPS positioning, Proceedings of the 8th International Symposium on Recent Crust Movemens (CRCM 93), pp. 175-179, Kobe, Japan, December 6-11, 1993.]Search in Google Scholar
[Wanninger L., (1995): Monitoring ionospheric disturbances using IGS Network, IGS Workshop Proceedings, Special Topics and New Direction, edited by Gendt G., and Dick G., pp. 57-66, Potsdam, May 15-18, 1995.]Search in Google Scholar
[Zarraoa N., Sardon, E., (1996), Test of GPS for permanent ionospheric TEC monitoring at high latitudes, Annales Geophysicae, Vol. 14, pp. 11-19.]Search in Google Scholar
