1. Recommendation ITU-R F.339-8 (02/2013) Bandwidths, signal-to-noise ratios and fading allowances in HF fixed and land mobile radiocommunication systems F Series Fixed service.
2. Recommendation ITU-R P.533-7 HF propagation prediction method (Question ITU-R 223/3) (1978-1982-1990-1992-1994-1995-1999-2001).
3. Software for the prediction of the performance of HF circuits based on Recommendation ITU-R P.533, https://www.itu.int/en/ITU-R/study-groups/rsg3/Pages/iono-tropo-spheric.aspx
4. Performance Evaluation of Different Jamming Strategies over Uncoded Oncoherent Fast Frequency Hopping MFSK Communication Systems;Karkatzounis,2004