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Fiber Optic Time Transfer from UTC(k) to a VLBI Antenna in a Coherent Communication Network
RISE Research Institutes of Sweden, Safety and Transport, Measurement Technology.ORCID iD: 0000-0003-0801-3124
RISE Research Institutes of Sweden, Safety and Transport, Measurement Technology.ORCID iD: 0000-0001-7388-4175
RISE Research Institutes of Sweden, Safety and Transport, Measurement Technology.ORCID iD: 0000-0003-1710-6058
Sunet, Sweden.
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2022 (English)In: 2022 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS 2022 - Proceedings, Institute of Electrical and Electronics Engineers Inc. , 2022Conference paper, Published paper (Refereed)
Abstract [en]

The local time scale at Onsala Space Observatory is connected to UTC(SP) through a White Rabbit time transfer system operating on the Swedish University Computer Network SUNET. The time transfer enables a robust synchronization of the VLBI and the IGS stations operating at the observatory and can potentially improve the reliability and availability of traceable time at sufficient accuracy. Several months of data are gathered to evaluate long term events and stability metrics. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2022.
Keywords [en]
fiber, synchronization, time dissemination, WDM, White rabbit, Observatories, Coherent communication, Communications networks, Fiber-optics, Local time, Onsala Space Observatory, Time transfer, Time-scales, Transfer systems, Computer operating systems
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-60159DOI: 10.1109/EFTF/IFCS54560.2022.9850949Scopus ID: 2-s2.0-85137355028ISBN: 9781665497183 (print)OAI: oai:DiVA.org:ri-60159DiVA, id: diva2:1702083
Conference
2022 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS 2022, 24 April 2022 through 28 April 2022
Note

Funding details: Horizon 2020 Framework Programme, H2020; Funding details: Horizon 2020; Funding text 1: This work was supported by the TiFOON 18SIB06 Project through the EMPIR Programme co-financed by the Participating States and through the European Union’s Horizon 2020 Research and Innovation Program.; Funding text 2: This work was supported by the TiFOON 18SIB06 Project through the EMPIR Programme co-financed by the Participating States and through the European Union's Horizon 2020 Research and Innovation Program.

Available from: 2022-10-10 Created: 2022-10-10 Last updated: 2023-06-08Bibliographically approved

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Hedekvist, Per OlofEbenhag, Sven-ChristianRieck, Carsten

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