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## Calibration of the Radio Telescope’s Time Scale Path to Provide Clock Synchronization Using VLBI

Transactions of IAA RAS, issue 48, 92–99 (2019)

Keywords: VLBI, comparison of time scales, optical fiber, laser technology.

### Abstract

The paper presents a technique to calibrate the delay in the transmission path of time scales when the remote hydrogen standards of the Quasar network are being synchronized using the VLBI. VLBI experiments with the participation of Badary and Zelenchukskaya observatories show a smaller than 0.5 ns figure of the non-excluded systematic synchronization error. Also, we propose a method to calibrate the time scale path using radio frequency signals with different wavelengths which are transferred via fiber optic lines. The proposed method will allow for a decrease of more than one order of magnitude in the non-excluded systematic error when comparing the time scales using VLBI.

### Citation

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A. Tsaruk, A. Karpichev, A. Vytnov, А. Л. Чиж, К. Б. Микитчук, С. А. Малышев. Calibration of the Radio Telescope’s Time Scale Path to Provide Clock Synchronization Using VLBI // Transactions of IAA RAS. — 2019. — Issue 48. — P. 92–99. @article{tsaruk2019, abstract = {The paper presents a technique to calibrate the delay in the transmission path of time scales when the remote hydrogen standards of the Quasar network are being synchronized using the VLBI. VLBI experiments with the participation of Badary and Zelenchukskaya observatories show a smaller than 0.5 ns figure of the non-excluded systematic synchronization error. Also, we propose a method to calibrate the time scale path using radio frequency signals with different wavelengths which are transferred via fiber optic lines. The proposed method will allow for a decrease of more than one order of magnitude in the non-excluded systematic error when comparing the time scales using VLBI.}, author = {A. Tsaruk and A. Karpichev and A. Vytnov and А.~Л. Чиж and К.~Б. Микитчук and С.~А. Малышев}, doi = {10.32876/ApplAstron.48.92-99}, issue = {48}, journal = {Transactions of IAA RAS}, keyword = {VLBI, comparison of time scales, optical fiber, laser technology}, pages = {92--99}, title = {Calibration of the Radio Telescope’s Time Scale Path to Provide Clock Synchronization Using VLBI}, url = {http://iaaras.ru/en/library/paper/1959/}, year = {2019} } TY - JOUR TI - Calibration of the Radio Telescope’s Time Scale Path to Provide Clock Synchronization Using VLBI AU - Tsaruk, A. AU - Karpichev, A. AU - Vytnov, A. AU - Чиж, А. Л. AU - Микитчук, К. Б. AU - Малышев, С. А. PY - 2019 T2 - Transactions of IAA RAS IS - 48 SP - 92 AB - The paper presents a technique to calibrate the delay in the transmission path of time scales when the remote hydrogen standards of the Quasar network are being synchronized using the VLBI. VLBI experiments with the participation of Badary and Zelenchukskaya observatories show a smaller than 0.5 ns figure of the non-excluded systematic synchronization error. Also, we propose a method to calibrate the time scale path using radio frequency signals with different wavelengths which are transferred via fiber optic lines. The proposed method will allow for a decrease of more than one order of magnitude in the non-excluded systematic error when comparing the time scales using VLBI. DO - 10.32876/ApplAstron.48.92-99 UR - http://iaaras.ru/en/library/paper/1959/ ER -