Saturday, April 9, 2011


9m2zak now qrv on this contest...



** RULE CHANGE! ** 1. Deadline is shortened. 1month after the contest.

OBJECTIVE: For amateurs around the world(DX) to contact JA stations in
as many JA prefectures + JD1 islands as possible.
For amateurs in Japan to contact DX stations in as many DXCC entities
and CQ Zones as possible.


CW Start Sat. 0700 -Sun. 1300UTC 2nd full weekend of April PH Start Sat. 0700 -Sun. 1300UTC 2nd full weekend of November CW 2011-04-09 0700 - 2011-04-10 1300 UTC PH 2011-11-12 0700 - 2011-11-13 1300 UTC


PH 3.5/7/14/21/28MHz (JAs on 3525-3575, 3599-3612, 3680-3687, 3702-3716 3745-3770 & 3791-3805KHz 7030-7200KHz also) CW 1.8/3.5/7/14/21/28MHz (JAs on 1810-1825 & 1907.5-1912.5KHz) Except for the WARC bands.


**** CHOOSE ONLY ONE! **** 3-1.Single Operator(*1) High Power(*2) Abbreviation = category AB = SINGLE-OP ALL-BAND HIGH-POWER 28 = SINGLE-OP 28MHz SINGLE-BAND HIGH-POWER 21 = SINGLE-OP 21MHz SINGLE-BAND HIGH-POWER 14 = SINGLE-OP 14MHz SINGLE-BAND HIGH-POWER 7 = SINGLE-OP 7MHz SINGLE-BAND HIGH-POWER 3.5 = SINGLE-OP 3.5MHz SINGLE-BAND HIGH-POWER 1.8 = SINGLE-OP 1.8MHz SINGLE-BAND HIGH-POWER 3-2.Single Operator Low Power(*3) ABL = SINGLE-OP ALL-BAND LOW-POWER 28L = SINGLE-OP 28MHz SINGLE-BAND LOW-POWER 21L = SINGLE-OP 21MHz SINGLE-BAND LOW-POWER 14L = SINGLE-OP 14MHz SINGLE-BAND LOW-POWER 7L = SINGLE-OP 7MHz SINGLE-BAND LOW-POWER 3.5L = SINGLE-OP 3.5MHz SINGLE-BAND LOW-POWER 1.8L = SINGLE-OP 1.8MHz SINGLE-BAND LOW-POWER 3-3.Multi Operator (*4) MOP = MULTI-OP (SINGLE-TX ALL-BAND HIGH-POWER) 3-4.Maritime Mobile(*5) MM = MARITIME-MOBILE # All categories, except Multi Op, only one transmitted signal is allowed at any one time. # All stations can use the spotting network(like DXsummit). # No SELF-SPOTTING of any form is allowed in all categories. Self-spotting is defined as generating spots for your contest callsign by yourself. # All stations, except Maritime Mobile, must not change the operating location in entire contest period. # Anyone may only submit one entry in spite of the callsign used. Submission of check logs for operation on other bands or other callsigns are encouraged. # JA stations must sign their call area as "/#" if they operate from different call area against their callsign. *1 Single operator must do all contest related things by himself. +Single-Operator can change bands at any time. +Multiple Single-Operator entries from the same location must use different callsigns. *2 High Power: Output power 100w over *3 Low Power: Output power 100w or less *4 Multi Op station must remain the same band at least 10 minutes when they make the contact on that band (RUNNING station). They can transmit one other band simultaneously only when the station worked is a new multiplier (MULTIPLIER station). The above 10 minutes rule will be applied to each RUNNING station and MULTIPLIER station separately. *5 All Maritime Mobile stations must sign "/MM" after the callsign. They will send CQ-Zone number for exchange with JA stations only. Their scores will be listed in the result but not eligible for the awards.


JAs : RS(T) + Prefecture number(01 to 50) Others: RS(T) + CQ Zone number You can download the Prefecture number= jidxmult.lst

Multiplier (Japanese Prefecture) List
Japan International DX Contest

Japan prefixes:
*1:JD1(no other areas) for Ogasawara,
Minamitorishima & Okinotorishima
*2:7J for foreigners under the
reciprocal agreement.
*3:7K1-4,7L1-4,7M1-4 & 7N1-4 for JA1 area

Prefix Nr Prefecture
JA1 10 Tokyo
JA1 11 Kanagawa
JA1 12 Chiba
JA1 13 Saitama
JA1 14 Ibaraki
JA1 15 Tochigi
JA1 16 Gumma
JA1 17 Yamanashi

JD1 48 Ogasawara *8N1OGA
JD1 49 Minamitorishima
JD1 50 Okinotorishima

JA2 18 Shizuoka
JA2 19 Gifu
JA2 20 Aichi
JA2 21 Mie

JA3 22 Kyoto
JA3 23 Shiga
JA3 24 Nara
JA3 25 Osaka
JA3 26 Wakayama
JA3 27 Hyogo

JA4 31 Okayama
JA4 32 Shimane
JA4 33 Yamaguchi
JA4 34 Tottori
JA4 35 Hiroshima

JA5 36 Kagawa
JA5 37 Tokushima
JA5 38 Ehime
JA5 39 Kochi

JA6 40 Fukuoka
JA6 41 Saga
JA6 42 Nagasaki
JA6 43 Kumamoto
JA6 44 Oita
JA6 45 Miyazaki
JA6 46 Kagoshima

JS6 47 Okinawa

JA7 02 Aomori
JA7 03 Iwate
JA7 04 Akita
JA7 05 Yamagata
JA7 06 Miyagi
JA7 07 Fukushima

JA8 01 Hokkaido

JA9 28 Toyama
JA9 29 Fukui
JA9 30 Ishikawa

JA0 08 Niigata
JA0 09 Nagano

[JE1CKA JIDX Contest Committee]


Only contacts between JA and DX(+/MM) are worth contest points. (DX-DX, DX-/MM or JA-JA contacts are no point and no multi) 1.8MHz................. 4pts 3.5/3.8MHz ............ 2 points 7MHz, 14MHz and 21MHz.. 1 point 28MHz.................. 2 Points The same station may be worked only once per band. No cross mode, cross band nor repeater contacts are allowed.


JAs :The number of different DXCC country (except JD1) and CQ Zone worked on each band. QSO with /MM stations is worth for Point and Zone multi but no Country multi. Others:The number of different Japanese Prefecture plus Ogasawara Is.(JD1), Minami-Torishima Is.(JD1) and Okino-Torishima Is. worked on each band. Maximum of 50 (See the List) per band.


The final score is the result of the (Total QSO points) multiplied by (Total multiplier). Ex. 100 QSO points x 59 multi = 5,900


** Only one log is accepted for the result regardless of the callsign used. 8-1. All times must be in UTC. 8-2. All sent and received exchanges are to be logged. **DO NOT FORGET TO RECORD YOUR ZONE/PREFECTURE ON EITHER LOG or SUMMARY** 8-3. Indicate the new multiplier only the FIRST TIME it is worked on each band. 8-4. Duplicate contacts on same band must be clearly shown and marked as 0 QSO point. 8-5. Electronic Log: Please follow the ELECTRONIC LOG instructions. You can send it by following 2ways to the committee. DISK LOG: MS-DOS compatible 3.5" disk only. (No 5" disk or Mac format) EMAIL LOG: send the Log file as email attatchement. The instruction [jidxelog-e.html] is here. send your email logs to 8-6. Use a separate sheet for each band. Use a separate sheet for Multi Op, RUNNING and MULTI station. 8-7. Each entry must be accompanied by a summary sheet showing all scoring information, class of entries, name and address in BLOCK LETTERS, and a signed declaration that "All contest rules and regulations for amateur radio in the entity of operation have been observed. JIDX Contest committee decision is final" 8-8. All entrants, except Electronic Log submittion, are required to submit dupe-check sheets (an alphabetical list of calls worked) for each band if 200 or more QSOs were made on that band, or for all bands if a total of 500 or more QSOs were made.


Plaques will be awarded to the winners which have donnors. The Single Op/Sigle band plaques will be awarded to the highest scorer regardless of the High/Low power category.


First(plus 2nd & 3rd, depending on number of entries) place certificates will be awarded in each class in every entity and in each call area of the USA if the station got SUFFICIENT* score. *What is sufficient? Depending on the band conditions, activities etc, judged by the committee. *Plaque winners will not receive the printed award.


A original log and a summary sheet will be requested with a SAE with one IRC but any log forms will be accepted. All logs should be sent to JIDX "PHONE/CW" Contest c/o FIVE-NINE MAGAZINE P.O.Box 59, Kamata, Tokyo, 144-8691 Japan The contest results will be sent with one IRC and SAE. Email log submissions will be judged with the time stamp of the email and it should be sent to; Separate addresses for each (Phone & CW) contests NOW!! Please use the following email addresses; CW : Phone: (Log submissions only) The acknowledgment will be sent when the email log is received and the result also will be sent by email. Email Log Submission Guide is available here. CABRILLO FORMAT is recommeneded.


No later than ONE month after the end of contest. ** SHORTENED ** CW 2011-05-11 PH 2011-12-14 The deadline will be extended up to 2 weeks if the JIDX contest committee accept the request with the reason byemail prior to the deadline. Email:


Violation of the contest rules. False statement in the report. The decision of the JIDX contest committee is final.

13.Information on the Internet

You'll be able to get JIDX related informations at the JIDX Official HomePage.

JIDX contest committee chairman
Tack Kumagai JE1CKA/KH0AM

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