References

Angling, M. J., P. S. Cannon, N. C. Davies, T. J. Willink, V. Jodalen, and B. Lundborg (1998), Measurements of Doppler and multipath spread on oblique high-latitude HF paths and their use in characterizing data modem performance, Radio Sci., 33, 97.

Blagoveshchensky, D. V., and T. D. Borisova (2000), Substorm effects of ionosphere and HF propagation, Radio Sci., 35, 1165.

Blagoveshchensky, D. V., and A. S. Rodger (1999), Impact of auroral ionosphere on HF communications, in: Proceedings of the 4th COST 251 Workshop The impact of the Upper Atmosphere on Terrestrial and Earth-Space Communications, p. 52, Rutherford Appleton Lab., Chilton, UK.

Blagoveshchensky, D. V., L. V. Egorova, and V. M. Lukashkin (1992), High-latitude ionospheric phenomena diagnostics by HF radio wave propagation observations, Radio Sci., 27, 267.

Hunsucker, R. D. (1990), Auroral and polar-cap ionospheric effects on radio propagation, IEEE Trans. Antennas Propagat., 40, 818.

Hunsucker, R. D., R. B. Rose, R. W. Adler, and G. K. Lott (1996), Auroral E  mode oblique HF propagation and its dependence on auroral oval position, IEEE Trans. Antennas Propagat., 44, 383.

Milan, S. E., T. B. Jones, and E. M. Warrington (1997), Enhanced MUF propagation of HF radio waves in the auroral zone, J. Atmos. Sol.Terr. Phys., 59, 237.

Milan, S. E., M. Lester, T. B. Jones, and E. M. Warrington (1998), Observations of the reduction in the available HF band on four high latitude paths during periods of geomagnetic disturbance, J. Atmos. Sol. Terr. Phys., 60, 617.

Rostoker, G., S.-I. Akasofu, J. Foster, R. A. Greenwald, Y. Kamide, K. Kawasaki, A. T. Y. Lui, R. L. McPherron, and C. T. Russel (1980), Magnetospheric substorms: Definition and signatures, J. Geophys. Res., 85, 1663.

Wagner, L. S., J. A. Goldstein, M. A. Rupar, and E. J. Kennedy (1995), Delay, Doppler, and amplitude characteristics of HF signals received over a 1300-km transauroral sky wave channel, Radio Sci., 30, 659.