• ASAPS (2005), ASAPS for Windows Version 5.2, IPS Radio and Space Serv., Sydney, Australia.
  • Davies, K. (1990), Ionospheric Radio, Peter Peregrinus, London, U.K.
  • Galkin, I. A., G. M. Khmyrov, A. V. Kozlov, B. W. Reinisch, X. Huang, and V. Paznukhov (2008), The ARTIST-5, in Radio Sounding and Plasma Physics, edited by P. Song, AIP Conf. Proc., 974, 160166.
  • Gibson, A. J., and P. A. Bradley (1991), A new formulation for above-the-MUF loss, paper presented at Fifth International Conference on HF Radio Systems and Techniques, Edinburgh, U.K., July.
  • International Telecommunication Union (ITU) (2005), HF propagation prediction method, Recommend. ITU-R P.533-8, Geneva, Switzerland.
  • Lane, G. (2001), Signal-to-noise predictions using VOACAP, including VOAAREA: A user's guide, Rockwell Collins, Cedar Rapids, Iowa.
  • McNamara, L. F., R. J. Barton, and T. W. Bullett (2006), Analysis of HF signal power observations on two North American circuits, Radio Sci., 41, RS5S38, doi:10.1029/2005RS003347.
  • Reinisch, B. W., X. Huang, I. A. Galkin, V. Paznukhov, and A. Kozlov (2005), Recent advances in real-time analysis of ionograms and ionospheric drift measurements with digisondes, J. Atmos. Sol. Terr. Phys., 67(12), 10541062.
  • Wheeler, J. L. (1966), Transmission loss for ionospheric propagation above the standard MUF, Radio Sci., 1(11), 13031308.