Journal of Radio Electronics. eISSN 1684-1719. 2025. ¹5
Full text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2025.5.1
A Method for Refining the Coordinates of a GLONASS
Spacecraft Antenna’s Phase Center Based
on the Processing of Radio Interferometric
Measurements from Relocatable Compact Telescopes
A.P. Aleshkin, K.D. Mahaev, V.I. Melnichuk
Mozhaisky Military Space Academy
197198, Russia, Saint-Petersburg, Zhdanovskaya str, 13
The paper was received February 4, 2025.
Abstract. A method is proposed for refining the coordinates of a GLONASS spacecraft’s transmitting antenna phase center through the use of radio interferometric measurements obtained from a long baseline formed by relocatable, compact telescopes. The approach focuses on employing mobile radio interferometric systems to achieve highly precise positioning of the ephemeris-transmitting navigation spacecraft antenna in orbit. Computer simulations have confirmed that processing navigation measurements within a radio interferometer equipped with compact telescopes improves the accuracy of calculating the navigation spacecraft antenna’s phase center coordinates. This proposal may prove valuable for enhancing the quality of navigation solutions delivered to end-users, thanks to more accurate and timely determination of the spacecraft’s orbital position when this information is utilized by functional enhancements of the GLONASS system.
Key words: GLONASS, navigation spacecraft, long-baseline radio interferometry, ephemeris and timing support, antenna phase center, relocatable compact radio telescopes.
Corresponding author: Aleshkin Andrey Petrovich, a_aleshkin@mail.ru
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For citation:
Aleshkin A.P., Mahaev K.D., Melnichuk V.I. A method for refining the coordinates of a GLONASS spacecraft antenna’s phase center based on the processing of radio interferometric measurements from relocatable compact telescopes. // Journal of Radio Electronics. – 2025. – ¹.5. https://doi.org/10.30898/1684-1719.2025.5.1 (In Russian)