DARC Funktag on Air. Exchange: RS(T)+DOK/NM non-DL send RS(T)+SerNr.  Thanks dm6ee

YOTA Contest. Exchange: RS(T)+Age as at 1st Jan. Multiplier bug is fixed (5/22/2021)

For use in PGA Contest.

Carpathian Sprint Contest.  Exchange SerialNr+Last SerNr received first exchange 001 000. QSY after calling CQ exchange, repeat QSO OK after 10 minutes. Thanks uw5sw.   Read More

OMISS QSO Party. Exchange: RS+S/P/DX+OMISS#

ON5ME-EuCW 160m CW party EUCW 160. Whatever is entered in ClubName is multiplier.

EA QRP Contest.  Exchange: RST + Category + M (if a member)

Central America contest. Exchange RST and Serial. Provinces and DXCC are mulpliers.

Wisconsin Parks on the Air.  Exchange Park abbreviation/S/P/DX

Worked all Provinces of China (Mulan DXC).   Exchange: RS(T)+Province/SerNr   Mults Provinces+DXCC

2021 HamCation QSO Party. Exch: RS(T)+Name+State/Prov/DXc+Temperature

IGRY WW RTTY Contest  Exchange: RST+Year first licenced. 1Pt*Year licenced.  10 Minute Band Change timer added, tnks f4dsk.    Read More

ARCK Morse Sings.  Exchange: RST+MEM#ARCK/RST+SerNr+RDA/RST+SerNr.

Murcia Radio Club Sprint.  Exchange: RS+EA Municipality (example MU)+Full Locator/SerialNr+Full Locator.

European DX Contest Club   Exchange; RS(T)+EU Region I.D./ITU Zn.  MO Timer added. Section file updated for 2022.    Read More

SWL files for the OKOM CW contest. Use normal udc for SSB.

Texas DX Society 50th Aniversary.  Exchange; RS(T)+Name(+TDXS#)

K1USN SST CW Slow Speed (con)Test Exchange: Name + State/Province/DX  v.1.1.4 updated 2021-08-04  'DC' mult added.  v1.1.5  Start time/date set to 2000 Friday.   Read More

RSGB SSB NFD 2020  Exchange: RS+SerNr.  Fixed Stations score points for 2020 on, see the rules.

Parks on the Air. Records RS(T) +  opName + POTARef  and if new POTA.

ALARA Contest. Exch: Member, RS(T)+SerNr+ALARA+Name. NonMember-YL, RS(T)+SerNr+YL+Name. OM, RS(T)+SerNr+OM+Name    Read More

Batavia FT8 Contest.  Exchange: Only your 4-character Grid.  Mults are WPX and DXCC

13 COLONIES event.  1-7 July.  Exchange: RS(T)+State.

TISZA Cup International Radio Contest. Exchange: RST+CQ Zone.  3rd full weekend August.  Changed to first weekend in June??    Read More

EI DX Group Summer Challenge.  All modes. 1stJun thru 30thAug. Exch: RS(T) MEM/NM+(EI/GI County)+CQZone. 1 point each DXCC, Club Member or CQzone. http://eidxg.com/sc2020/   tnx  k2go   Read More

Covid-19 StayHome Event.  Exchange RS(T)+OpAge, YL can send 00, or anyone shy can send 99.  READ the Read_Me file.    Read More

SEA-PAC QSO PARTY.  RS(T)+S/P/C+Name. Thanks kg7dab

NZ  Sangster Shield Contest.  80m only, CW only.  Exchange: RST+SerNr(+NZ stns Branch#)

The Day of YLs.  CW, RY & SSB.  Exchange: RS(T) + YL or OM.  Work same station each band and mode.   Read More

WW SSB Activity Contest.  Exchange: RS+OM,  YL,  Y (= YOUTH),  YYL (= YOUTHYL).

902UP SPRINT  or MICROWAVE Sprint.  Exchange 6 Character Locator only.

RTTY Ops WEEKDAY Sprint.  Exchange: BOTH Callsigns+SerialNr+(Nick)Name.  80-20m

RTTY Ops Weekend Sprint.  Exchange: BOTH C/S+SerialNr+(Nick)Name+Full Locator. BANDS 80-10m.  v1.0.1    Read More

DL HESSEN CONTEST  Exchange; DL - HF RS(T)+DOK  VHF RS(T)+DOK+Locator, Non-DL RS(T)+SerialNr (use XMAS contest)  3rd Weekend May.    Read More

UKEICC  Summer Series.  Exchange: Full 6-character Locator.  Radial-ring scoring.  v1.0.2 scoring updated -again, limited to 40 points.   IGNORE the 'vhf' in the name.   Read More

RSGB HOPE QSO Party.  Exchange - CW, SSB & RY - RS(T)+SerNr. - FT4  Signal report+4-Character Locator.  Points vary by Band & Continent.  Mults - DXCC/Grid   Read More

HAMVENTION QSO PARTY Exchange:RS(T)+Year you first visited Hamvention, if first visit - 2020 (5/14/2020 Rev. 2: ESM mode bug fixed)    Read More

Serbian CW Club Short Wave Contest.  Third Friday in March, third Friday in July.  4 - 30 minute sessions. Exchange: RST+SerialNr/MemberNr(Mxx) Filename: KTSCWC_MEM.udc for Members. KTSCWC_NM for non-members. See the Read-Me file.   Read More

CT QRP Club Contest.  Exchange: RST + A(<1W) or B(qrp) + M, if a member of CT QRP Club. Held 1st May.   Read More

AGCW YL CW Party.  For OMs.  Exch: YLs: RST + serial number starting at 001 /YL/name. Example: 579024/YL/Rosel. OMs: RST + serial number starting at 001/name. Example: 589019/Otto   Read More

AGCW YL CW Party. For YLs.  Exch: YLs: RST + serial number starting at 001 /YL/name. Example: 579024/YL/Rosel. OMs: RST + serial number starting at 001/name. Example: 589019/Otto   Read More

First Space Flight Cup. 1st Sunday March. Exch: RS(T)+SerialNr. (CW, SSB) DXCC and OBLASTs are Mults. 30 Minute sessions.    Read More

OM Activity Contest Exchange: RS(T)+SerNr  Mult is Call last letter. (tnx OM4TQ)    Read More

AM Rally Exchange: Name+City/Town+S/P/C+Station details. Tnx NJ1Q

Venezuela HF National Contest.  Exchange: RS + YV District.

UDC for the CWOps 10th Anniversary Event. Updated 1/20/2020  (Tnx AA3B)

Files for HB9 Activity Contests.  Exch:RS(T)+Full Locator+(Swiss Cantons - SWAC_CANT.sec Bonus Pts) Bonus pts for some Grids.    Read More

Danish EDR JUL and NYT Events. Author OZ2I

UDC for RUSSIAN 160m contest (RADIO-160). For Russian stations only (2 separate files for EU/AS Russian stations). Cabrillo format and score calculation was fixed in this version.   Read More

UDC file for R6A-Cup (local Russian) contest. Revision 2. Original version was giving points for QSOs with non R6A stations.    Read More