The radio environment for a space-based low-frequency radio astronomy instrument

Mark J. Bentum*, Albert Jan Boonstra, Wouter Horlings, Pieter van Vugt

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    1 Citation (Scopus)

    Abstract

    Opening the last frequency window for radio astronomy in the sub - 30 MHz region includes a few challenges. First of all, at frequencies below 30 MHz the Earths ionosphere severely distorts radio waves originating from celestial sources, and it completely blocks radio waves below 10 MHz. This means that radio astronomy and astrophysics below ~ 30 MHz is best conducted from space. Secondly, the radio spectrum below 30 MHz is filled with very strong transmitters signals, making it difficult to do Earth-based radio observations. Most low frequency space-based radio telescope studies and initiatives aim to place a swarm of satellites far away from the Earths radio interference. Deployment location options include a lunar orbit, the Earth-Moon Lagrangian point behind the Moon (L2), and an Earth leading or trailing location. There is little knowledge about the radio frequency interference (RFI) environment outside the ionosphere. However, to determine the location of the radio telescope, it is important to understand the radio environment at possible deployment locations. In this paper we will address the radio environment for space-based low frequency radio astronomy. To do so, we will use the data of the WIND/WAVES instrument. The data from November 1994 till November 2016 is used for this analysis. Analysing the data results in addressing the best location for a space-based low frequency radio telescope.
    Original languageEnglish
    Title of host publication2019 IEEE Aerospace Conference
    Place of PublicationUSA
    PublisherIEEE
    Pages1-7
    Number of pages7
    ISBN (Electronic)978-1-5386-6854-2
    ISBN (Print)978-1-5386-6855-9
    DOIs
    Publication statusE-pub ahead of print/First online - 20 Jun 2019

    Fingerprint

    Radio astronomy
    Radio telescopes
    Earth (planet)
    Radio waves
    Ionosphere
    Moon
    Astrophysics
    Radio interference
    Transmitters
    Orbits
    Satellites

    Cite this

    Bentum, M. J., Boonstra, A. J., Horlings, W., & van Vugt, P. (2019). The radio environment for a space-based low-frequency radio astronomy instrument. In 2019 IEEE Aerospace Conference (pp. 1-7). [18759617] USA: IEEE. https://doi.org/10.1109/AERO.2019.8741975
    Bentum, Mark J. ; Boonstra, Albert Jan ; Horlings, Wouter ; van Vugt, Pieter. / The radio environment for a space-based low-frequency radio astronomy instrument. 2019 IEEE Aerospace Conference. USA : IEEE, 2019. pp. 1-7
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    abstract = "Opening the last frequency window for radio astronomy in the sub - 30 MHz region includes a few challenges. First of all, at frequencies below 30 MHz the Earths ionosphere severely distorts radio waves originating from celestial sources, and it completely blocks radio waves below 10 MHz. This means that radio astronomy and astrophysics below ~ 30 MHz is best conducted from space. Secondly, the radio spectrum below 30 MHz is filled with very strong transmitters signals, making it difficult to do Earth-based radio observations. Most low frequency space-based radio telescope studies and initiatives aim to place a swarm of satellites far away from the Earths radio interference. Deployment location options include a lunar orbit, the Earth-Moon Lagrangian point behind the Moon (L2), and an Earth leading or trailing location. There is little knowledge about the radio frequency interference (RFI) environment outside the ionosphere. However, to determine the location of the radio telescope, it is important to understand the radio environment at possible deployment locations. In this paper we will address the radio environment for space-based low frequency radio astronomy. To do so, we will use the data of the WIND/WAVES instrument. The data from November 1994 till November 2016 is used for this analysis. Analysing the data results in addressing the best location for a space-based low frequency radio telescope.",
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    Bentum, MJ, Boonstra, AJ, Horlings, W & van Vugt, P 2019, The radio environment for a space-based low-frequency radio astronomy instrument. in 2019 IEEE Aerospace Conference., 18759617, IEEE, USA, pp. 1-7. https://doi.org/10.1109/AERO.2019.8741975

    The radio environment for a space-based low-frequency radio astronomy instrument. / Bentum, Mark J.; Boonstra, Albert Jan; Horlings, Wouter ; van Vugt, Pieter.

    2019 IEEE Aerospace Conference. USA : IEEE, 2019. p. 1-7 18759617.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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    AU - Horlings, Wouter

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    N2 - Opening the last frequency window for radio astronomy in the sub - 30 MHz region includes a few challenges. First of all, at frequencies below 30 MHz the Earths ionosphere severely distorts radio waves originating from celestial sources, and it completely blocks radio waves below 10 MHz. This means that radio astronomy and astrophysics below ~ 30 MHz is best conducted from space. Secondly, the radio spectrum below 30 MHz is filled with very strong transmitters signals, making it difficult to do Earth-based radio observations. Most low frequency space-based radio telescope studies and initiatives aim to place a swarm of satellites far away from the Earths radio interference. Deployment location options include a lunar orbit, the Earth-Moon Lagrangian point behind the Moon (L2), and an Earth leading or trailing location. There is little knowledge about the radio frequency interference (RFI) environment outside the ionosphere. However, to determine the location of the radio telescope, it is important to understand the radio environment at possible deployment locations. In this paper we will address the radio environment for space-based low frequency radio astronomy. To do so, we will use the data of the WIND/WAVES instrument. The data from November 1994 till November 2016 is used for this analysis. Analysing the data results in addressing the best location for a space-based low frequency radio telescope.

    AB - Opening the last frequency window for radio astronomy in the sub - 30 MHz region includes a few challenges. First of all, at frequencies below 30 MHz the Earths ionosphere severely distorts radio waves originating from celestial sources, and it completely blocks radio waves below 10 MHz. This means that radio astronomy and astrophysics below ~ 30 MHz is best conducted from space. Secondly, the radio spectrum below 30 MHz is filled with very strong transmitters signals, making it difficult to do Earth-based radio observations. Most low frequency space-based radio telescope studies and initiatives aim to place a swarm of satellites far away from the Earths radio interference. Deployment location options include a lunar orbit, the Earth-Moon Lagrangian point behind the Moon (L2), and an Earth leading or trailing location. There is little knowledge about the radio frequency interference (RFI) environment outside the ionosphere. However, to determine the location of the radio telescope, it is important to understand the radio environment at possible deployment locations. In this paper we will address the radio environment for space-based low frequency radio astronomy. To do so, we will use the data of the WIND/WAVES instrument. The data from November 1994 till November 2016 is used for this analysis. Analysing the data results in addressing the best location for a space-based low frequency radio telescope.

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    Bentum MJ, Boonstra AJ, Horlings W, van Vugt P. The radio environment for a space-based low-frequency radio astronomy instrument. In 2019 IEEE Aerospace Conference. USA: IEEE. 2019. p. 1-7. 18759617 https://doi.org/10.1109/AERO.2019.8741975