Zacharisen, D.
(1959),
World maps of F2 critical frequencies and maximum usable frequency factors:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.TN.2
(Accessed January 13, 2025)
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World maps of F2 critical frequencies and maximum usable frequency factors:
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- NBS TN 2
Report Number
NBS TN 2
Pub Type
NIST Pubs
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Created January 1, 1959, Updated May 19, 2023