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-- May 2021 Contest Calendar --
7th Call Area QSO Party HM King of Spain CW UN DX Contest
Date and TimeContestCategories
01 0000z - 31 2359z50 Mhz Marathon - Memorial Roberto
Rossi (I5RRE)
Mix/SOHP/SOLP
01 0000z - 02 1600zAraucaria World Wide VHF Contest  6m/2mCW/SSB/FM/SO/MO
01 0000z - 07 2400zDTC CW-Activity Week (CWAW)HF/V-UHF/QRO/QRP
01 0000z - 31 2400zEuCW Snakes & Ladders Activity160-2m CW/QRP/QRO
01 0000z - 31 2359zNAQCC May ChallengeCW Only/QRP
01 0000z - 31 2359zUKSMG Six Metre Marathon
Legacy Modes
SSB/FM/AM/RTTY/SSTV
01 0000z - 31 2359zUKSMG Six Metre Marathon
Digital Modes
SO/any mode not Legacy
01 0000z - 02 2400zVERON SLP Contest  (4)SWL/80-10m/Phone
01 0001z - 02 2400z10-10 Spring CW QSO PartySO/HP/LP/QRP
01 0001z - 2359zFISTS Mechanical Key Days (MKD)CW/FISTS/NON-FISTS
01 0001z - 31 2359zFISTS Spring Word SearchCW/FISTS/NON-FISTS
01 0001z - 14 2359zRSARS May Anniversary ContestCW/SSB/HP/LP
01 0300z - 0900zRCC Cup  80-10mCW/SSB/SO/MO/HP/LP
01 0600 - 02 2359
Local Time
SBMS 2GHz & Up Contest
& Club Challenge
Phone/CW
01 0700z - 1100zPortuguese-QRP Contest  (1) 40mCW/QRP/QRPp
01 0800am - 0200pm
Local Time
Spring VHF/UHF Sprints MicrowaveSO/Fixed/Rover
01 1100z - 1300zPortuguese-QRP Contest  (2) 20/15/10mCW/QRP/QRPp
01 1200z - 02 1159zARI International DX ContestCW/SSB/RTTY/SO/MO
01 1300z - 02 0700z7th Call Area QSO Party  160-10mMix/SO/MO/Rover
01 1300z - 1900zAGCW QRP-QRP-Party  80-10mCW/SO/5W/20W
01 1300z - 1700zAWA Valve AM QSO Party  (1)SO/LP/80-40m
01 1400z - 02 1400zCupa Napoca Contest  2m-1.2GHzCW/Phone/SO/MO
01 1400z - 2000zIPARC USA Section Contest  (1) 80-10mCW/SO/MO/SWL
01 1400z - 2200zRSGB 432MHz Trophy ContestSO-Fixed/Open
01 1400z - 02 1400zRSGB 432MHz-245GHz ContestSO-Fixed/Open
01 1500z - 02 0300zIndiana QSO Party  160-10mMix/SO/MO/Rover
01 1600z - 1800zFISTS Spring Saturday Sprint  80-10mCW/QRO/QRP/Club
01 1600z - 1959zRTTYops Weekend Sprint  80-10mSO/MO/HP/LP/QRP
01 1700z - 02 2359zDelaware QSO Party  160-10mMix/SO/MO/Rover
01 1700z - 2000zPortuguese-QRP Contest  (3) 20/15/10mCW/QRP/QRPp
01 2000z - 02 0500z
03 1300z - 2400z
New England QSO Party  80-10mMix/SO/MO/QRO/QRP
01 2000z - 2300zPortuguese-QRP Contest  (4) 80mCW/QRP/QRPp
01 2300z - 02 0300z44th All MIE 33 Contest  160m-70cmCW/SSB/SO/MO
02 0800z - 1400zRSGB 10GHz Trophy Contest ContestSO-Fixed/Open
02 0830z - 0930zEU QRP Foxhunt
'Social Distancing Party'
30M QRP CW Only
02 1300z - 1700zAWA Valve SSB QSO Party  (2)SO/LP/80-40m
02 1400z - 2000zIPARC USA Section Contest  (2) 80-10mSSB/SO/MO/SWL
03 0000z - 0100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
03 1600z - 1900zCZ-EPC ActivityB(Q)PSK31/63/125
03 1630z - 1729zOK1WC Memorial (MWC) ActivitySO/CW-SSB/80-40m
03 1830z - 1930zEU QRP Foxhunt
'Social Distancing Party'
80M QRP CW Only
03 1930z - 2030zOK 160M Activity ContestSO SSB/LP/QRP/SWL
04 0001z - 2400zFISTS (NA) Tuesday Activity Day  80-10mCW/FISTS/NON-FISTS
04 0100z - 0300zARS Spartan SprintCW - QRP Only
04 1700z - 2059zLY 144MHz Activity ContestCW/SSB/FM/Open
04 1700z - 2100zNRAU 144MHz Activity ContestSO/MO/Open
04 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
04 1700z - 2100zSPAC 144MHz ContestCW/Phone/Open
04 1900z - 2130zRSGB 144MHz UKACSO/Fixed/Open
04 1900 - 2300
Local Time
Global Mountain Activity Contest144MHz/Phone/CW
05 0000z - 0100zWalk For The Bacon Contest40M QRP QRS CW Only
05 0230z - 0300zPhone Fray Contest  160-15mSO/SSB/100W max.
05 1300z - 1400zCWops Test (CWT)  (1)SO/160-10m
05 1800z - 2000zMOON Contest  144 MHzCW/Digital/FM/SSB
05 1900z - 2000zCWops Test (CWT)  (2)SO/160-10m
05 1900z - 2030zRSGB FT4 Contest  80-20mSO/MO/100w max
06 0200z - 0300zWalk For The Bacon Contest40M QRP QRS CW Only
06 0300z - 0400zCWops Test (CWT)  (3)SO/160-10m
06 1700z - 2100zNRAU 10m Activity ContestCW/SSB/FM/Digital
06 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
06 1900z - 2100zSKCC Straight Key Sprint Europe  160-6mSO/QRP/QRO
07 0000z - 08 2359zArmed Forces Day Cross-Band TestSSB/CW
07 0145z - 0215zNCCC RTTY Sprint (NS)160-15m/Dupes OK
07 0230z - 0300zNCCC Sprint (NS)NS rules/160-15m
07 2000z - 2100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
07 2200z - 09 2359zEurope Day On The Air (EUDOTA)CW/SSB/Digital/SWL
08 0600z - 0659zPGA-Test Contest  80m Open (5)SOLP/CW/SSB
08 1200z - 09 1200z55th A. Volta RTTY Contest  80-10mSOAB/SOSB/MO/SWL
08 1200z - 09 1159z65th CQ-M International DX ContestMix/CW/SSB/SO/MO
08 1200z - 09 1159zHPC World Wide DX Contest(B)PSK63/SO/MO/80-10m
08 1200z - 09 2359zSKCC Weekend Sprintathon160-6m/CW/HP/LP/QRP
08 1200z - 1300zSL Contest  (1)CW/80m, 40m
08 1315z - 1415zSL Contest  (2)SSB/80m, 40m
08 1400z - 09 0200zArkansas QSO Party  80-10m + 2mMix/SO/MO/Rover
08 1400z - 2400zMARAC County Hunters Contest (1)CW/Fixed/Mobile/80-10m
08 1430z - 1530zSL Contest  (3)Digi/80m, 40m
08 1600z - 1959zRTTYops Weekend Sprint  80-10mSO/MO/HP/LP/QRP
08 2300z - 09 0300zSpring VHF/UHF Sprint  50MHzSO/Fixed/Rover
09 0830z - 0930zEU QRP Foxhunt
'Social Distancing Party'
30M QRP CW Only
09 0900z - 1200zRSGB 70MHz Contest  CWSO-Fixed/Open
09 1000z - 1400zW.A.B. 7MHz Phone ContestSO/MO/QRO/QRP
09 1200z - 1400zIRTS 40m Daytime Counties ContestSSB/CW/Fixed, Rover
09 1400z - 1600zFISTS Activity Ladder  (1)CW/FISTS/NON-FISTS
09 1400z - 2400zMARAC County Hunters Contest (2)CW/Fixed/Mobile/80-10m
09 1800z - 2000zFISTS Activity Ladder  (2)CW/FISTS/NON-FISTS
10 0000z - 0200zFour States QRP Group Second
Sunday Sprint
 160-10m
CW/SSB
10 0000z - 0100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
10 1630z - 1729zOK1WC Memorial (MWC) ActivitySO/CW-SSB/80-40m
10 1830z - 1930zEU QRP Foxhunt
'Social Distancing Party'
80M QRP CW Only
10 1900z - 2030zRSGB 80m Club ChampionshipsSSB/100w max/QRP
10 1930z - 2030zOK 160M Activity ContestSO CW/LP/QRP/SWL
11 0001z - 2400zFISTS (NA) Tuesday Activity Day  80-10mCW/FISTS/NON-FISTS
11 1700z - 2059zLY 432MHz Activity ContestCW/SSB/FM/Open
11 1700z - 2100zNRAU 432MHz Activity ContestSO/MO/Open
11 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
11 1700z - 2100zSPAC 432MHz ContestCW/Phone/Open
11 1900z - 2130zRSGB 432MHz UKACSO Fixed/Open
12 0230z - 0300zPhone Fray Contest  160-15mSO/SSB/100W max.
12 1300z - 1400zCWops Test (CWT)  (4)SO/160-10m
12 1800z - 2000zMOON Contest  432 MHzCW/Digital/FM/SSB
12 1900z - 2000zCWops Test (CWT)  (5)SO/160-10m
13 0300z - 0400zCWops Test (CWT)  (6)SO/160-10m
13 1600z - 2200zQRP Minimal Art Session  80m, 40mCW/SO/QRP Only
13 1700z - 2059zLY 50MHz Activity ContestCW/SSB/FM/Open
13 1700z - 2100zNRAU 50MHz Activity ContestSO/MO/Open
13 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
13 1700z - 2100zSPAC 50MHz ContestCW/Phone/Open
13 1900z - 2130zRSGB 50MHz UKACSO/Fixed/Open
14 0145z - 0215zNCCC RTTY Sprint (NS)NS rules/160-15m
14 0230z - 0300zNCCC Sprint (NS)NS rules/160-15m
14 2000z - 2100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
15 0000z - 16 2400zEuropean EME Contest  (5)CW/SSB/1.2GHz
15 0600z - 2100zUN DX Contest  80-10mCW/SSB/SO/MO/HP/LP
15 1200z - 16 1159zHis Majesty King of Spain  CWSOSB/SOAB/MO
15 1400z - 16 1400zRSGB 144MHz May ContestSF/SO/CW/Phone/Open
15 1600z - 1759zFeld-Hell Hamvention Sprint  (1) 160-6mAll modes of Hell
15 1600z - 1959zRTTYops Weekend Sprint  80-10mSO/MO/HP/LP/QRP
15 2000z - 2159zFeld-Hell Hamvention Sprint  (2) 160-6mAll modes of Hell
15 8pm - 11pm NZSTNZART Sangster Shield Contest  (1)80m CW/QRP Only
16 0001z - 2400zFISTS (NA) Get Your Feet Wet Day  80-40mCW/FISTS/NON-FISTS
16 0600z - 1600zJournee Nationale des Chateaux (JEC)CW/SSB/SO/80-10m
16 0800z - 1200zGlobal Mountain Activity Contest144MHz/Phone/CW
16 0830z - 0930zEU QRP Foxhunt
'Social Distancing Party'
30M QRP CW Only
16 1100z - 1500zRSGB 1st 144MHz BackpackersPhone/CW
16 1400z - 1500zZS3 40m SprintCW/SSB
16 8pm - 11pm NZSTNZART Sangster Shield Contest (2)80m CW/QRP Only
16 2100z - 2300zFISTS Spring Sunday Sprint  80-10mCW/QRO/QRP/Club
16 2300z - 17 0100zRun for the Bacon ContestCW/QRP/AB/SB
17 0000z - 0100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
17 1630z - 1729zOK1WC Memorial (MWC) ActivitySO/CW-SSB/80-40m
17 1830z - 1930zEU QRP Foxhunt
'Social Distancing Party'
80M QRP CW Only
18 0001z - 2400zFISTS (NA) Tuesday Activity Day  80-10mCW/FISTS/NON-FISTS
18 1700z - 2059zLY 1.3GHz Activity ContestCW/SSB/FM/Open
18 1700z - 2100zNRAU 1.3GHz Activity ContestSO/MO/Open
18 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
18 1700z - 2100zSPAC 1.3GHz ContestCW/Phone/Open
18 1900z - 2130zRSGB 1.3GHz UKACSO Fixed/Open
18 1900z - 2030zRSGB FT4 Contest80-20m/SO/MO/100w max
19 0230z - 0300zPhone Fray Contest  160-15mSO/SSB/100W max.
19 1300z - 1400zCWops Test (CWT)  (7)SO/160-10m
19 1800z - 2000zMOON Contest  50MHzCW/Digital/FM/SSB
19 1900z - 2000zCWops Test (CWT)  (8)SO/160-10m
19 1900z - 2030zRSGB 80m Club ChampionshipsData/100w max/QRP
20 0030z - 0230zNAQCC Straight Key/Bug SprintCW Only/QRP/QRO
20 0300z - 0400zCWops Test (CWT)  (9)SO/160-10m
20 1700z - 2100zNRAU 70MHz Activity ContestOpen/SO/MO
20 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
20 1700z - 2100zSPAC 70MHz ContestCW/Phone/Open
20 1900z - 2130zRSGB 70MHz UKACSO Fixed/Open
21 0145z - 0215zNCCC RTTY Sprint (NS)NS rules/160-15m
21 0230z - 0300zNCCC Sprint (NS)NS rules/160-15m
21 2000z - 2100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
22 0600z - 0659zPGA-DIGI Contest 80m OpenSOLP/PSK63/RTTY
22 0800z - 1959zYOTA Contest  (1)  80-10mCW/SSB/SO/MO/SWL
22 1200z - 23 1159zEU PSK DX Contest  80-10mBPSK63/SOAB/SOSB/MO
22 1200z - 23 0000z Hamvention QSO Party  80-10mCW/SSB/W8BI Bonus
22 1600z - 1959zRTTYops Weekend Sprint  80-10mSO/MO/HP/LP/QRP
22 2100z - 23 0200zBaltic Contest  80mCW/SSB/SO/MOST
23 0830z - 0930zEU QRP Foxhunt
'Social Distancing Party'
30M QRP CW Only
23 1400z - 1600zFISTS Activity Ladder  (3)CW/FISTS/NON-FISTS
23 1400z - 1600zRSGB 70MHz Cumulatives #3SO/Fixed/Open
23 1500z - 1859zUA2 QSO PartyCW/SSB/80-20m
23 1800z - 2000zFISTS Activity Ladder  (4)CW/FISTS/NON-FISTS
24 0000z - 0100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
24 1300z - 1400zQCX CW Challenge  (1)CW/80-20m/QRP/QRO
24 1630z - 1729zOK1WC Memorial (MWC) ActivitySO/CW-SSB/80-40m
24 1830z - 1930zEU QRP Foxhunt
'Social Distancing Party'
80M QRP CW Only
24 1900z - 2000zQCX CW Challenge  (2)CW/80-20m/QRP/QRO
25 0001z - 2400zFISTS (NA) Tuesday Activity Day  80-10mCW/FISTS/NON-FISTS
25 0300z - 0400zQCX CW Challenge  (3)CW/80-20m/QRP/QRO
25 1700z - 2059zLY 2.4GHz & Up Activity ContestCW/SSB/FM/Open
25 1700z - 2100zNRAU Microwave Activity ContestSO/MO/Open
25 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
25 1700z - 2100zThe 50MHz Open CumulativeSO/MO/LP/MP/HP
25 1800z - 2130zRSGB SHF UKACSO Fixed/Open
26 0000z - 0200zSKCC Straight Key Sprint160-6m/CW only
26 0230z - 0300zPhone Fray Contest  160-15mSO/SSB/100W max.
26 1300z - 1400zCWops Test (CWT)  (10)SO/160-10m
26 1900z - 2000zCWops Test (CWT)  (11)SO/160-10m
27 0300z - 0400zCWops Test (CWT)  (12)SO/160-10m
27 1700z - 1900zRTTYops Weeksprint80-20m/HP/LP/QRP
27 1900z - 2030zRSGB 80m Club ChampionshipsCW/100w max/QRP
28 2000z - 2100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
29 0000z - 30 2359zCQWW WPX CW ContestSO/MO/HP/LP/QRP
29 0000z - 2359zFeld-Hell 5th Saturday Sprint
'Full Day of Hell'
 160-6m
All modes of Hell
29 1600z - 1959zRTTYops Weekend Sprint  80-10mSO/MO/HP/LP/QRP
30 0800z - 1400zContest Gargano 50MHzCW/SSB/Fixed/Rover
30 0830z - 0930zEU QRP Foxhunt
'Social Distancing Party'
30M QRP CW Only
31 0000z - 0100zK1USN Slow Speed CW Test160-20m/CW (Max. 20wpm)
31 1830z - 1930zEU QRP Foxhunt
'Social Distancing Party'
80M QRP CW Only