ON Contest

ON Contest 2025

The UBA Section MCL. Mechelen invites all radio amateurs to participate in the 45^th edition of the ON Contest.

Attention: changes to the regulations for the HF sections.

1. Contestperiods

2. Categoriën

• a    ON stations.
• a2  ON stations QRP.
• b    ONL (Belgium SWL's member of the UBA).
• d    Foreign stations.
• e    Foreign SWL.

UBA sections: From all contest sections together, the final scores per section are added up and the points for the regions are calculated using the following formula :
Total final scores per section times the number of logs per region divided by the number of members of that section and this number is divided by the logarithm of the number of members per section.
 

Remarks:

• QRP: Participants in this category will state clearly "QRP" in the heading of their log and state they didn't use more power than 5W in CW or 10W in SSB.
• For foreign stations, only QSOs with Belgian stations are valid. This also applies to ON stations participating from abroad.

3. Bands

Use the IARU contest preferred bandsegments:

• 80m CW: 3510 to 3560 KHz. 40m CW: 7000 to 7040 KHz.
• 80m SSB: 3600 to 3650 and from 3700 to 3775 KHz. 40m SSB: 7060 to 7080 and 7130 to 7200 KHz.

4. Contest call and exchange

CQ ON Contest

• Stations in Belgium: RS(T) + QSO-number from 001 + UBA Section (stations not member of the UBA will give XXX), The national club stations ON4UB, ON4UBA, ON4DIG and ON4YLC give UBA as their section.  (ex 59 001 MCL or 599 001 MCL)
• Stations outside Belgium: RS(T) + QSO-number from 001

Only stations operating from inside Belgium can give a UBA section as multiplier.

5. Points

3 points for each QSO. For ONL/SWL 3 points for every ON station heard.

6. Multipliers

• For stations in Belgium: 1 multiplier per UBA Section per band and 1 multiplier for each DXCC country per band.
• For stations outside Belgium: 1 multiplier per UBA Section per band.
   

XXX does not count as a multiplier.

7. Final Result

The number of QSO points multiplied with the number of multipliers.

8. Logs

Only logs in Cabrillo format are accepted.

Following programs support this contest:
SD van EI5DI. (freeware)
N1MM+ (freeware)

9. Deadline and address

All logs have to be send in no more than 5 days after each contest. Logs received via email will receive a confirmation 48 hours.

via email: ubaon[at]uba[dot]be. If you do not receive a confirmation within 48 hours, please resend your log, but at on9tt[at]uba[dot]be.

10. SWL

• Only stations participating in the contest may be logged.
• The station heard should be an ON station. 
• The log should contain respectively: time (UTC), callsign of the Heard Station", full report sent by that station, callsign of the opposite station, report given by the SWL.
• Points are calculated on the callsigns listed in the "Heard Station" column. If both stations are heard, they may both be listed in the "Heard Station" column.
• The same station may appear as "Heard Station" only once per band. In the "Worked Station" column, the same station may appear, per band, a maximum of 10 times.
• On VHF, ONL/SWL should not record the call of the opposite station.
• You can use SP7DQR's SWL_DQR_log programme.

11. Certificates

• All participants will receive a pdf certificate via email. Please make sure you send your log with a usable email address.
• The section that wins the final ranking of the sections will receive a nice plaque.

12. Penalties and disqualification

Penalties:

• QSO's which do not appear in the log of the other station count for 0 points, but no additional penalty will be applied. QSOs with incorrect calls and incorrect reports received count for zero points, but no additional penalty points will be deducted.
   

Disqualification
 

• For logs that do not comply with the regulations.  Such as completely incorrect timestamps and/or incomplete logs.  The decision for this rests with the Contest Committee.
• For cheating, imaginary logging and clear, repetitive and intentional violation of the contest rules.
• For continuous or repetitive violation or total negation of the IARU band plan.

13. Remarks

• In view of the short duration of the contest there is no distinction between single- or multioperator stations. Both are allowed and will be placed in the same category.
• A maximum of 10 QSO's with members of your own section (on each band for 40/80) will be taken in account for points. You may work more stations of your own section but they will count for 0 points.
• On 2 meters and 6 meters a station can only be worked once regardless of mode.

By submitting your log you agree that:

• You have read and understood the regulations and agree to be bound by them,
• You have operated your station according to the radio regulations valid in your country for your licence,
• All actions and decisions of the Contest Committee are official and final.

Good luck!  The contest committee: ON4CAS ON9TT ON5WL.