UBARoyal Belgian Amateur Radio Union

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Photo: Couloir

Rules of the Spring Contest

UBA Spring Contest 2023

The UBA section of DST (Diest) invites all radio amateurs to take part in the 40st edition of the UBA SPRING-CONTEST.

1. Contest dates / Contest parts

  • HF-80m CW: 5 March 2023 (07.00 -11.00 hour UTC).
  • VHF-2m Phone/CW: 12 March 2023 (07.00 -11.00 hour UTC).
  • HF-80m Phone: 19 March 2023 (07.00 -11.00 hour UTC).
  • VHF-6m Phone/CW: 26 March 2023 (06.00 -10.00 hour UTC).

Attention: only UTC time in the log is valid.

2. Contest call

CQ UBA contest.

3. Points

3 points for each contact.
Only “point to point” contacts via the air are allowed.

4. SWL'S

Each station HEARD may be counted ONCE. A station WORKED may appear a maximum of 10 times. Each QSO logged must contain at least one ON station.

5. Multipliers

  • Each section of the UBA (group of 3 characters), sent by the ON stations member of the UBA. Ex.: DST, OSB and LGE are 3 multipliers.
  • The 3 characters group XXX, sent by ON stations NOT member of the UBA.
  • The 3 characters group UBA, sent by the National station ON4UB.
  • For ON stations only: all DXCC countries, except ON.

6. Reports

  • ON Stations: Report = RS(T) + QSO serial number starting with 001 + UBA section or XXX for ON stations NOT member of the UBA. Ex: ON4DST - rprt given 59(9)001 DST - rprt received 59(9)003 MCL.
  • Foreign stations: Report = RS(T) + QSO serial number starting with 001. Ex.: G3ZZZ - report given 59(9)005 - report received 59(9)019 DST.
The QSO serial number must run continuously, regardless of the mode of transmission (VHF).

7. Foreign stations

Only contacts with ON stations are valid.

8. Final score

Total of QSO points x Total of MULTIPLIERS.

9. Classifications

a. Individual rankings for each contest
  • (1) ON Stations (QRP separate).
  • (2) Foreign Stations.
  • (3) SWL ON Stations.
  • (4) Foreign SWL Stations.
b. Rankings by club (UBA Sections)
  • (1) 80m band: SSB and CW.
  • (2) VHF bands: 2m and 6m.


A= Sum of the individual final scores of the section.
B= Number of logs of the section.
C= The number of members of the section (March 1, 2023).

10. QRP stations

QRP stations indicate "QRP" in the log header.
Maximum output power: CW = 5 Watts, Phone = 10 Watts.

11. Trophies

  • The winner of each classification and the QRP station with the best result in each part of the contest will receive an award if they have at least 25 valid QSO or 25 heard stations in their log.
  • A challenge cup is provided for the winning section of the HF and VHF contests. After three consecutive victories by the same section, this trophy becomes the property of the section.

12. Logs

We strongly encourage participants to use freeware log software WinOnContest from ON4AVJ (see UBA website under downloads) or N1MM Logger. We will only accept CABRILLO logfiles which can be generated by each of those programs. Rename the files to MYCALL.CBR or MYCALL.LOG where "MYCALL" is your call sign. (example ON4DST.CBR or ON4DST.LOG) Make sure you send in the right cabrillo format.
Paper logs: No paper logs are accepted anymore!

Cabrillo header must include:
  • Callsign.
  • Your name, first name and complete address.
  • UBA Section (only for UBA members).
  • The category in which you took part.
  • Station description and used power.
Incomplete logs will be used as "Check logs.

Remark: Only 1 log per station will be accepted. (or with his normal call, or with his special call or as SWL).

13. Deadline

The logs must arrive at latest 2 weeks after each contest date via:  https://Springcontest.on4dst.be
Once a log is accepted, no more changes or replacements will be accepted.

14. Disqualification

  • Logs with more than 5% faulty QSO's will be disqualified.
  • If the same person sends more than one log per contest, these logs will be disqualified.
  • Absence of one or more items of information listed in paragraph 12 may result in disqualification.

15. HF bandplanning

The IARU contest segments should be respected.
  • CW: 3,510 to 3,560 MHz.
  • SSB: 3,600 to 3,650 MHz and 3,700 tot 3,775 MHz.

16. Remarks

By participating, the participating stations declare:
  • To have worked in accordance with the applicable rules for radio amateurs in their country.
  • Accept the contest rules and any decision of the UBA Spring Committe

Good luck! The UBA spring contest committee.

UBA Sections

AAA Antwerpse Actieve Amateurs   HAC Hasselt   OST Oostende
ACC Antwerpse Contest Club   HCC Haaglandse Contest Club   PHI Section radio de Philippeville
ALT Radioamateurs Aalter   HOB Heist-op-den-Berg   RAF Radio Club Ardenne-Famenne
ARA Actieve Radio Amateurs   HRT Herentals   RAM Radio-Amateurs Mouscronnois
ARC Amateur Radio Club of Brussels   IPR Ieper   RAT Radio Amateur Team
AST Aalst   KSD Koksijde   RBO Eupen
ATH Radio Club de Ath   KTK Kortrijk   RCA Radio Club des Ardennes
ATO Tienen   LGE Liège   RCN Radio Club Noord
BDX Brussels DX team   LIR Lierse Radioamateurs   REM Radioamateurs Erpe-Mere
BLW Brussel West   LLV La LouVière   RST Sint-Truiden
BRC Bell Radio Club   LUS LUxembourg Sud   RSX Ronse
BSE Brabant Sud-Est   LVN Leuven   SNW Sint-Niklaas
BTS BrabanT Sud   MCL Mechelen   THN THuiN
BXE BruXelles Est   MLB Midden Limburg   TLS Tussen Leie en Schelde
CDZ Ciney Beauraing Rochefort   MNS MoNS   TRA Torhoutse Radio Amateurs
CLR CharLeRoi   MTT Mol-Turnhout   TRC Trudo Radioamateurs Club
CPN Charleroi Pays Noir   MWV Midden West-Vlaanderen   TWS Together We're Strong
CRD Club Radioamateur de Durnal   NBT Noord Brabant   UBA UBA National Clubstations
DNZ Deinze   NLB Noord Limburg   VHF Antwerpen VHF
DRC Dendermonde   NMR NaMuR   WLD Waasland
DST Diest   NNV Ninove   WRA Wortegemse Radioamateurs
EKO Meetjeslandse Radioamateurs   NOK Noorderkempen   WRC West-vlaamse Radio Club
ERA Eeklose Radioamateurs   NOL Noord-Oost Limburg   WTN Radio Club Wetteren
GBN Geraardsbergen   ODE Oudenaarde   WTO WaTerlOo
GBX GemBlouX   ONZ Oosthoek   XXX Not Member UBA - no multiplier
GDV Gang De Verviers   ORA Opwijkse Radio Amateurs   ZLB Zuid Limburg
GNT Gent   OSA Antwerpen   ZLZ Zelzate
GTM Grensloze TransMissie   OSB Brugge   ZTM Zottegem