Impedance of free space (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Impedance of free space" in English language version.

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Haslett, Christopher J. (2008). Essentials of radio wave propagation. The Cambridge wireless essentials series. Cambridge University Press. p. 29. ISBN 978-0-521-87565-3.
David K Cheng (1989). Field and wave electromagnetics (Second ed.). New York: Addison-Wesley. ISBN 0-201-12819-5.
Guran, Ardéshir; Mittra, Raj; Moser, Philip J. (1996). Electromagnetic wave interactions. Series on stability, vibration, and control of systems. World Scientific. p. 41. ISBN 978-981-02-2629-9.
Clemmow, P. C. (1973). An introduction to electromagnetic theory. University Press. p. 183. ISBN 978-0-521-09815-1.
Ishii, Thomas Koryu (1995). Handbook of Microwave Technology: Applications. Academic Press. p. 315. ISBN 978-0-12-374697-9.

"2022 CODATA Value: characteristic impedance of vacuum". The NIST Reference on Constants, Units, and Uncertainty. NIST. May 2024. Retrieved 2024-05-18.
"Current practice is to use $c 0$ to denote the speed of light in vacuum according to ISO 31. In the original Recommendation of 1983, the symbol $c$ was used for this purpose." Quote from NIST Special Publication 330, Appendix 2, p. 45. Archived 2016-06-03 at the Wayback Machine.

"Current practice is to use $c 0$ to denote the speed of light in vacuum according to ISO 31. In the original Recommendation of 1983, the symbol $c$ was used for this purpose." Quote from NIST Special Publication 330, Appendix 2, p. 45. Archived 2016-06-03 at the Wayback Machine.