V.O. Skripachev1, A.N. Dementev2, S.V. Litvinov3, K.A. Gaidukov4

1–4 MIREA – Russian University of Technology (Moscow, Russia)

1 skripachev@mirea.ru, 2 dementev@mirea.ru, 3 litvinov_s@mirea.ru, 4 gajdukov@mirea.ru

Spacecraft are susceptible to the adverse conditions of near-Earth space, especially during times of increased solar activity, which can cause failures and failures of on-board equipment, especially for small satellites where protection capabilities are limited.

The aim is to consider methods for monitoring and forecasting the state of space weather, including ionospheric diagnostics, to improve the reliability and durability of spacecraft.

Studies have shown a 2–2,5-fold increase in equipment failures with high solar activity. Methods of ionospheric diagnostics using VLF radio transmitters and GNSS signals are proposed. The effectiveness of low-cost technologies has been demonstrated, for example, the use of PC sound cards for signal analysis.

The proposed methods make it possible to increase the safety and service life of spacecraft, reduce the risk of accidents, and implement economically feasible space weather monitoring systems, especially relevant for promising orbital stations and small satellites.

Skripachev V.O., Dementev A.N., Litvinov S.V., Gaidukov K.A. Assessment of the impact of adverse factors of the space environment on the functioning of spacecraft. Achievements of modern radioelectronics. 2025. V. 79. № 12. P. 13–17. DOI: https://doi.org/ 10.18127/j20700784-202512-03 [in Russian]

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