The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.
The 10.7 cm solar radio flux ( F 10.7 )
Open accessAbstract
The 10.7 cm solar radio flux, or F 10.7 is, along with sunspot number, one of the most widely used indices of solar activity. This paper describes the equipment and procedures used to make the measurements and to calibrate them, and discusses some of the “most‐asked” questions about the data.
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Air-breathing electric propulsion is effective in environments where atmospheric density and sustained drag are high, such as very low Earth orbit.
“This approach is effective in environments where the atmospheric density ( ρ ) and sustained levels of drag are high, such as in VLEO where ρ can vary from 10 -7 ∼ 10 -13 kg m -3 (100-450 km) at a solar activity of F 10.7 = 120 s.f.u.”
From Requirements for air-breathing electric propulsion in low-altitude orbits (2024) · cites this paper as [4]
Atmospheric density in very low Earth orbit varies from 10^-7 to 10^-13 kg/m3 at 100-450 km at a solar activity of F10.7 = 120 s.f.u.
“This approach is effective in environments where the atmospheric density ( ρ ) and sustained levels of drag are high, such as in VLEO where ρ can vary from 10 -7 ∼ 10 -13 kg m -3 (100-450 km) at a solar activity of F 10.7 = 120 s.f.u.”
From Requirements for air-breathing electric propulsion in low-altitude orbits (2024) · cites this paper as [4]
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Cites
(1953) · Students Quarterly Journal · doi:10.1049/sqj.1953.0012 · Cited by 715
Large-scale patterns formed by solar active regions during the ascending phase of cycle 21
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Recent solar radio astronomy at centimeter wavelengths: The temporal variability of the 10.7‐cm flux
Tapping, K. F. (1987) · Journal of Geophysical Research Atmospheres · doi:10.1029/jd092id01p00829 · Cited by 199
Self-citationTemporal Changes in Sunspot Umbral Magnetic Fields and Temperatures
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Microwave radiation from the sun
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The origin of the 10.7 cm flux
Tapping, K. F., & DeTracey, B. (1990) · Solar Physics · doi:10.1007/bf00152171 · Cited by 104
Self-citationDECREASING SUNSPOT MAGNETIC FIELDS EXPLAIN UNIQUE 10.7 cm RADIO FLUX
Livingston, W. C., Penn, M. J., & Svalgaard, L. (2012) · The Astrophysical Journal Letters · doi:10.1088/2041-8205/757/1/l8 · Cited by 104
Micro-Wave Solar Noise Observations During the Partial Eclipse of November 23, 1946
Covington, A. E. (1947) · Nature · doi:10.1038/159405a0 · Cited by 86
Limits to the accuracy of the 10.7 cm flux
Tapping, K. F., & Charrois, D. P. (1994) · Solar Physics · doi:10.1007/bf00712892 · Cited by 67
Self-citationAbsolute calibration of solar radio flux density in the microwave region
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Solar Noise Observations on 10.7 Centimeters
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Impact of changes in the Sun's conveyor‐belt on recent solar cycles
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Did the Sun Change Its Behaviour During the Decline of Cycle 23 and Into Cycle 24?
Tapping, K. F., & Valdés, J. J. (2011) · Solar Physics · doi:10.1007/s11207-011-9827-1 · Cited by 55
Self-citationMicrowave radiation from the sun
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Large-scale Zonal Flows During the Solar Minimum -- Where Is Cycle 25?
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Flagged first, then by citations
Research works printed but not linked: 5
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- Kruger A., 1979, Geophys. and Astrophys. Monogr
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NRLMSIS 2.0: A Whole‐Atmosphere Empirical Model of Temperature and Neutral Species Densities
Emmert, J. T., Drob, D. P., Picone, J. M., Siskind, D. E., Jones, M., Mlynczak, M. G., Bernath, P. F., Chu, X., Doornbos, E., Funke, B., et al. (2021) · Earth and Space Science · doi:10.1029/2020ea001321 · Cited by 479
Metadata
- Authors
- Tapping, K. F.
- Affiliations
- Dominion Astrophysical Observatory (CA)
- Corresponding author
- Tapping, K. F.
- ORCID
- Tapping, K. F.
- Venue
- Space Weather
- Publisher
- American Geophysical Union (AGU)
- Published
- 2013-07
- Volume
- 11
- Issue
- 7
- Pages
- 394-406
- ISSN
- 1542-7390 (ISSN-L)
- OpenAlex
- W1587976434
- Cited by
- 689
- References
- 19
- Citations by year
- 2026: 89 · 2025: 86 · 2024: 67 · 2023: 75 · 2022: 76 · 2021: 88 · 2020: 58 · 2019: 33 · 2018: 45 · 2017: 37 · 2016: 11 · 2015: 11 · 2014: 11 · 2013: 2
- FWCI
- 6.29
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Space Weather (publishedVersion)
- NPARC (submittedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Solar and Space Plasma Dynamics
- Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Ionosphere and magnetosphere dynamics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Radio Astronomy Observations and Technology
- Keywords
- solar activity indices, sunspot number, measurement calibration, solar radio emission
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