1. Contest sponsors:
Contest is sponsored by RA3R Roman Novikov and Russian Contest Club (RCC).

2. Contest Period:
08:00 UTC Aug 19 - 08:00 UTC Aug 20 2023 (24 hours format)

3. Bands:
1.8 - 28 mHz (WARC bands excluded)

4. Modes:
CW and SSB

5. Categories:
Foreign Entrants:
A-MIX-World (Single Op - MIX)
A-MIX-World-LP (Single Op - MIX - Low Power)
A-CW-World (Single Op - CW)
A-CW-World-LP (Single Op - CW - Low Power)
A-SSB-World (Single Op - SSB)
A-SSB-World-LP (Single Op - SSB - Low Power)
B-World (Multi Op - MIX)
Russian Entrants:
A-MIX-EUR - (Single Op - MIX - EU Russia)
A-MIX-EUR-LP - (Single Op - MIX - EU Russia - Low Power)
A-CW-EUR - (Single Op - CW - EU Russia)
A-CW-EUR-LP - (Single Op - CW - EU Russia - Low Power)
A-SSB-EUR - (Single Op - SSB - EU Russia)
A-SSB-EUR-LP - (Single Op - SSB - EU Russia - Low Power)
B-EUR - (Multi Op - MIX - EU Russia)
C1-MIX-EUR - (Single Op - MIX - Field - EU Russia)
C1-CW-EUR - (Single Op - CW - Field - EU Russia)
C1-SSB-EUR - (Single Op - SSB - Field - EU Russia)
C2-MIX-EUR - (Multi Op - MIX - Field - EU Russia)

A-MIX-ASR - (Single Op - MIX - S Russia)
A-MIX-ASR-LP - (Single Op - MIX - S Russia - Low Power)
A-CW-ASR - (Single Op - CW - AS Russia)
A-CW-ASR-LP - (Single Op - CW - AS Russia - Low Power)
A-SSB-ASR - (Single Op - SSB - S Russia)
A-SSB-ASR-LP - (Single Op - SSB - S Russia - Low Power)
B-ASR - (Multi Op - MIX - S Russia)
C1-MIX-ASR - (Single Op - MIX - Field - S Russia)
C1-CW-ASR - (Single Op - CW - Field - S Russia)
C1-SSB-ASR - (Single Op - SSB - Field - S Russia)
C2-MIX-ASR - (Multi Op - MIX - Field - S Russia)

5.1. Only one category may be entered.
5.2. 1 2 field category entrants must not use fixed stations and antenna systems; Using household 220V circuit is permitted; Portable operation "/p" designator must be used if the operation takes place from the participant's home oblast, in other cases it is not a mandatory requirement.
5.3. All categories of entrants are allowed to use packet and WEB clusters. Self-spotting is prohibited.

6. Band changes:
6.1 Single-op stations are not limited with band changes; Only one signal can be transmitted at any given time, violation of this rule forces disqualification of an entrant.
6.2 MOST stations only one signal can be transmitted at any given time. Exception: two signals on different bands are allowed if and only if the station on another (only one) multiplier band picked up a new multiplier.
6.3 Contacts violating 6.2 rule, should be shown in the log, they will neither be counted nor penalized for an entrant, but counted for the station contacted.

7. Dupes:
7.1 Dupes are contacts made with the same station on the same band and mode. All of MIXED category entrants can work the same station on both CW and SSB.
7.2 CW contacts made in the SSB portion of the band, and SSB contacts made in the CW portion of the band are prohibited. Violation of this rule leads to disqualification.
7.3 Entrants are strongly advised to leave DUPES in the log file. Dupe contacts are not penalized; one does not have to mark them in the electronic log submission, dupes should be marked in the paper log submissions only. If the first contact between stations is valid, dupes have 0 points value. If the first contact is not valid, the second (dupe) contact is accepted.

8. Exchange:
8.1. Stations outside of Russia must give a signal report + QSO number, starting with 001; serial numbers are to be in chronological order regardless of the bands used.
8.2. Russian stations must give a signal report + RDA number.

9. QSO Points:
9.1. Russian stations:
- QSO with your own country (Russia on your continent) 1 point;
- QSO with Russia on another continent - 2 points;
- QSO with a different country on your continent 3 points;
- QSO with a 1 2 field entrant - 10 points;
- QSO with another continent 5 points.
9.2. Non-Russian stations:
- QSO with Russian station 10 points (regardless of continent).
9.3. Kaliningrad (UA2) is a separate DXCC entity and a separate Oblast, but points for QSO with Kaliningrad are counted as for European Russia.

10. Multipliers:
10.1. Russian stations: DXCC Entities on every band + RDA districts irrespective of band.
10.2. Non-Russian stations: RDA Districts.

11. Final Score:
11.1. Foreign entrants:
- the final score is the result of the total QSO points multiplied by the sum of RDA districts.
11.2. Russian entrants:
- the final score is the result of the total QSO points multiplied by the sum of RDA districts and country multipliers.

12. Penalties:
QSO is penalized (not credited) for the following:
- incorrectly logged calls (Bad Call);
- incorrectly logged exchange numbers;
- QSO is not present in the other station log (NIL);
- QSO time in entrant's log and other station's log difference is more than 3 minutes (except systematic computer errors);
- QSO bands or modes in entrant's log and other station's log differ.

13. Analysis
RDAC uses total computerised control. Every paper log submission is manually entered into computer. If a computer logging program was used in the contest, or used to transcribe a paper log submission, the contest sponsors ask entrants to send us their electronic log.
RDAC Contest Committee decisions are final.

14. General Log Submission Requirements
14.1 Submit your log in the CABRILLO format created by all major logging programs. File name should be YourCall.log. Russian stations should specify their RDA number in "LOCATION:" line in the header header part of the electronic log.
14.2 Each QSO must contain call sign, time (UTC), band, RS(RST), exchange number (both sent and received - even for check logs). Points and final score calculations are not necessary, calculations are done by our software.
14.3 In the header part of the electronic log submission you MUST specify a category of entrance and the full postal address for dispatch to the participant RDAC results, trophies, awards and certificates. Submit your log via Web-interface (the preferred way to send log). If You have problems with loading log it can be sent by e-mail.
Contest manager will acknowledge reception of your electronic log as soon as possible.

Example of log in Cabrillo format

QSO: 14009 CW 2023-08-19 1412 N4AF 599 0001 RK9AJZ 599 CB02 000000000111111111122222222223333333333444444444455555555556666666666777777777788 123456789012345678901234567890123456789012345678901234567890123456789012345678901

START-OF-LOG: CREATED BY: AATest RC9 SECTION: TB02 (only for Russian station ) CALLSIGN: RX3RC CATEGORY: A-SSB-EUR CONTEST: RDAC QSO: 21020 CW 2023-08-19 1200 RX3RC 599 TB02 RL3A 599 MA03 QSO: 14180 PH 2023-08-20 0701 RX3RC 59 TB02 SP9LJD 59 117 END-OF-LOG:

15. Log Submission Addresses and Terms
15.1 Submit your log via Web-interface http://ua9qcq.com (the preferred way to send log). If You have problems with loading log it can be sent by e-mail: rx3rc@rdaward.org
15.2 Contest manager will acknowledge reception of your electronic log in 24 hours.
15.3 Logs must be submitted to the contest sponsors no later than Aug 31 2023).

16. Awards:
16.1 Results will be compiled separately for each of the following groups: European Russia, Asiatic Russia, and the rest of the World.
16.2 1st place plaques will be awarded in each category.
16.3 2nd and 3rd place certificates will be awarded in each category listed under Section 5.
16.4 Special plaques will be awarded to participants, activating RDA districts with 5% rating according to official "RDA Most Wanted" list at http://rdaward.ru/indexe.php?p=rda_wtd as for the day of the contest. The contest sponsors are seeking donors to sponsor plaques for different categories of entrants. List of categories and terms of sponsorship can be requested by e-mail. Donor's logos and information will be placed at RDAC Web-site. Contact contest manager at rx3rc@rdaward.org.

17. RDA Award Credits
17.1 All worked RDA Districts, confirmed by the entrants logs, will be credited for an entrant without QSL-cards.
17.2 All worked RDA Districts, confirmed by the entrants logs, will be credited upload to autocfm: http://rdaward.ru/.

RDA Contest Sponsors invite all the radio amateurs from Russia and foreign countries to take part in RDA 2023 Contest.


1. AATest v2.1.29 by RZ4AG

2. N1MM Logger+ by N1MM

3. SD by EI5DI

4. TR4W Logger by N6TR and Co.

5. DXLog.net - Contest logger by 9A5K

6. Win-Test by F5MZN Commercial!

7. AIO Contest Logging Software by WD8KNC

8. GenLog by W3KM

9. 5MContest Log Software

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