JA's Special Event Station Criteria

Comparative Table on Special Event Stations between W and JA
 WJA
Format1x18Jx1-5 or 8Nx1-5, with some exceptions
AssignmentCoordinatorAdministration bureau
LicenseeIndividualJARL for the most part
PeriodBasically up to 15 daysCase by case
ApplicationOn demandJARL: Screened altogether by Board in Feb.
The others: On demand

JARL's Criteria

The JARL defines the following two classes for special event stations according to inportance of the event. There is a difference in the expenses chargeable on the JARL.

Administration's Criteria


ITU's Call Sign Regulation for Amateur Stations—Revised at WRC-03, Effective July 5, 2003

Section III — Formation of call signs, ARTICLE 19 Identification of Stations

19.67     Amateur and experimental stations
19.68 §30. 1)   one character (see No. 19.50.1provided that it is the letter B, F, G, I, K, M, N, R or W) and a single digit (other than 0 or 1), followed by a group of not more than three lettersfour characters, the last of which shall be a letter, or
        two characters and a single digit (other than 0 or 1), followed by a group of not more than three lettersfour characters, the last of which shall be a letter.
19.68A   1A)   On special occasions, for temporary use, administrations may authorize use of call signs with more than the four characters referred to in No. 19.68.
19.69   2)   However, the prohibition of the use of the digits 0 and 1 does not apply to amateur stations.

Note: These are not official Japnese-English translations, on JARL and Administration criteria.
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