1. Cerutti, A.P., Kintner, P.M., Gary, D.E., et al., Observed Solar Radio Burst Effects on GPS/WAAS Carrier-to-Noise Ratio, Space Weather, 2006, vol. 4, p. S10006. doi: 10.1029/2006SW000254.
2. Afraimovich, E.L. and Perevalova, N.P., GPS-Monitoring of the Earth’s Upper Atmosphere, Irkutsk, Institute of Solar-Terrestrial Physics: 2006, p. 480 (in Russian).
3. Kintner, P.M., Kil, H., and de Paula, E., Fading Time Scales Associated with GPS Signals and Potential Consequences, Radio Sci., 2001, vol. 36, no. 4, pp. 731–743.
4. Afraimovich, E.L., Lesyuta, O.S., and Ushakov, I.I., Geomagnetic Disturbances, and the GPS Operation, Geomagn. Aeron., 2002, vol. 42, no. 2, pp. 220–227.
5. Afraimovich, E.L., Lesyuta, O.S., Ushakov, I.I., and Voeykov, S.V., Geomagnetic Storms and the Occurrence of Phase Slips in the Reception of GPS Signals, Annals of Geophys., 2002, vol. 45, no. 1, pp. 55–71.