Unallocated and Unavailable Call Sign Prefixes
Unallocated: The following call sign prefixes are available for future allocation by the ITU. (x represents any letter; n represents any digit from 2–9.)
- E6, E8, E9, H5, J9, On, S4, T9*, Un, V9, Xn, YZ*, Z4–Z9, 4N*.
(* Indicates a prefix that has recently been returned to the ITU.)
Unavailable: Under present ITU guidelines the following call sign prefixes shall not be allocated . They are sometimes used unofficially - such as amateur radio operators operating in a disputed territory or in a nation state that has no official prefix (e.g. S0 in Western Sahara or station 1A0 at Knights of Malta headquarters in Rome). (x represents any letter; n represents any digit from 2–9.)
- nn, x0, x1, 0x, 1x, Qx.
- no prefixes beginning with Q are used—they may be confused with Q codes.
- no prefixes with the digits 1 or 0 are used—they may be confused with the letters I or O.
- two digit prefixes (nn) are not as yet considered by the ITU.
Read more about this topic: ITU Prefix
Famous quotes containing the words call and/or sign:
“Wheeler: Aren’t you the fellow the Mexicans used to call “Brachine”?
Dude: That’s nearly right. Only it’s “Borracho.”
Wheeler: I don’t think I ever seen you like this before.
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Wheeler: My Spanish ain’t too good.
Dude: It means drunk. No, if the name bothers ya’ they used to call me Dude.”
—Jules Furthman (1888–1960)
“Every sign is subject to the criteria of ideological evaluation.... The domain of ideology coincides with the domain of signs. They equate with one another. Wherever a sign is present, ideology is present, too. Everything ideological possesses semiotic value.”
—V.N. (Valintin Nikolaevic)