Elevated duct: Difference between revisions
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A tropospheric radio duct of which the lower boundary is above the surface of the earth. | A tropospheric radio duct of which the lower boundary is above the surface of the earth. | ||
Latest revision as of 08:47, 17 September 2026
A tropospheric radio duct of which the lower boundary is above the surface of the earth.
Reference: C.C.I.R.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)