QO-100 Dx Club Sprint Contest 2025
QO-100 The Dx Club Sprint Contest is held every other Saturday. The goal: the competition supports the establishment of connections via the NB transponder QO-100.
General rules
– Operators must follow the QO-100 bandplan and operating instructions
– Only one signal is allowed at a time
– With FT4, only one stream is allowed (F/H and similar modes are not allowed)
Terms
The competition takes place on Saturday from 15:00 do 15:59 UTC in these months and modes:
- January, May, september: SSB
- February, June, October: CW
- March, July, november: RTTY
- April, august, december: Zimbabwe flag
Frequencies
Competitions are held in the "mixed modes" segment & special purposes“ (.870 – .990)
- Determination of the plant: .870 – .990
- RTTY: .870 – .900
- Zimbabwe flag: .870 – .875
Category
Single Operator: All functions are performed by one operator.
Score
Body za QSO:
- 1 points for QSOs.
- 10 points for QSO with QO-100 Dx Club membership.
- The same station can only be contacted once per sprint.
- Multipliers: Number of unique squares (grid square) a DXCC entity.
- The resulting score: Body za QSO × (squares + entity).
Code exchanged
SSB/CW/RTTY: Report, locator (XXYY) and membership number (if you are a member).
Zimbabwe flag: Report and locator (XXYY).
Diaries
Logs in ADIF format must be sent via the form by Monday 23:59 UTC after the end of the sprint.
ADIF file requirements:
It must contain fields like QSO_DATE, TIME_ON, CALL, MODE, GRIDSQUARE, SAT_NAME ("QO-100"), PROP_MODE („SAT“) etc..
Decision making
QO-100 Dx Club checks logs and determines scores.
Violation of the rules or unsportsmanlike conduct leads to disqualification.
Examples of unsportsmanlike conduct:
- Negotiating connections outside of amateur radio facilities.
- Broadcasting outside the permitted frequencies.
- Incorrectly labeled connections or excessive signal width.
Results
Results will be posted on the QO-100 Dx Club site on the Friday after each sprint.
Awards
At the end of the year, prizes will be awarded for the top 10 score and top 5 for each mode.
