1. V. A. Berezovskii, I. V. Dul’keit, and O. K. Savitskii, Modern Decameter Radio Communication: Equipment, Systems and Complexes (Radiotekhnika, Moscow, 2011) [in Russian].
2. E. E. Johnson, E. Koski, W. N. Furman, et al., Third-Generation and Wideband HF Radio Communications (Norwood: Artech House, London, 2013).
3. V. V. Egorov, M. L. Maslakov, and A. N. Mingalev, Elektrosvyaz’, No. 11, 32 (2011).
4. V. V. Egorov, K. V. Zaichenko, M. L. Maslakov, and V. F. Mikhailov, Radiotekhnika, No. 5, 10 (2017).
5. M. L. Maslakov and M. S. Smal’, Izv. Vyssh. Uchebn. Zaved., Radioelektronika, No. 4, 32 (2018).