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The statistics of low frequency radio interference at the Murchison Radio-astronomy Observatory

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arxiv 1610.04696 v1 pith:QKLL73LH submitted 2016-10-15 astro-ph.IM

Marcin Sokolowski , Randall B. Wayth , Morgan Lewis This is my paper · ORCID
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keywords frequencydatainterferencemurchisonobservatoryradio-astronomyseriesstatistics
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We characterize the low frequency radio-frequency interference (RFI) environment at the Murchison Radio-astronomy Observatory (MRO), the location selected for the low-frequency component of the Square Kilometre Array. Data were collected from the BIGHORNS instrument, located at the MRO, which records a contiguous bandwidth between 70 and 300 MHz, between November 2014 to March 2015 inclusive. The data were processed to identify RFI, and we describe a series of statistics in both the time and frequency domain, including modeling of the RFI occupancy and signal power as a series of distribution functions, with the goal of aiding future scientists and operation staff in observation planning.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Modelling Radio Frequency Interference on the Lunar Farside

    astro-ph.IM 2026-07 conditional novelty 6.0 of 10

    Planned lunar satellites will increasingly contaminate the farside radio band; under this model, ≥30 dB uniform UEMR shielding is required to keep peak RFI below LFT3-like sensitivity.

  2. Energy and polarization based on-line interference mitigation in radio interferometry

    astro-ph.IM 2024-12 conditional novelty 6.0 of 10

    Combining spectral kurtosis with polarization alignment enables real-time RFI flagging in correlators, and RL-tuned mixed precision matches full precision within 1%.

  3. Impacts and Statistical Mitigation of Missing Data on the 21cm Power Spectrum: A Case Study with the Hydrogen Epoch of Reionization Array

    astro-ph.CO 2024-11 conditional novelty 6.0 of 10

    Partially flagged RFI gaps couple with nightly-varying instrument errors to leak foreground power into the 21cm EoR window; DPSS inpainting with a new covariance framework suppresses the leakage and quantifies its unc...

  4. A Square Kilometre Array Pulsar Census

    astro-ph.HE 2026-07 conditional novelty 5.5 of 10

    Composite SKA-Low + Mid Band 1/2 all-sky surveys with AA* yield ~10k slow pulsars and ~800 MSPs; AA4 yields ~20% more, rising to ~1300 MSPs if Mid coverage is broadened.

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