August 2099

← July This month September → DXpeditions

49 contests running this month. Names only at this zoom — tap a contest for its times, in your own clock or UTC. A contest running across midnight appears on every day it is on the air, with marking the days it continues into rather than starts. Days are UTC, so a contest opening 2200Z sits on the UTC date — which may be the evening before where you are.

Contests in August 2099, by day
Mon	Tue	Wed	Thu	Fri	Sat	Sun
272 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	28	292 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions)	301 CWops Test (CWT)×2 (2 sessions)	314 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	15 10-10 International Summer QSO Party (Phone) ARRL 222 MHz and Up Distance Contest Concurso REP 50 MHz JARL Field Day Contest North American QSO Party, CW	27 Hemus VHF Contest 144 MHz SARL HF Phone Contest continues: 10-10 International Summer QSO Party (Phone) continues: ARRL 222 MHz and Up Distance Contest continues: Concurso REP 50 MHz continues: JARL Field Day Contest continues: North American QSO Party, CW
32 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	44 ARS Spartan Sprint ZL Autumn and Winter Sprints, CW ZL Autumn and Winter Sprints, FT4 ZL Autumn and Winter Sprints, SSB	53 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 144 MHz	62 CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint Europe (SKSE)	74 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	84 Concurso Municipios Espanoles (CME) Maryland-DC QSO Party SKCC Weekend Sprintathon (WES) WAE DX Contest CW	96 Concurso Municipios Espanoles (CME) SARL HF Digital Contest SARL YL QSO Party continues: Maryland-DC QSO Party continues: SKCC Weekend Sprintathon (WES) continues: WAE DX Contest CW
103 4 States QRP Group Second Sunday Sprint (SSS) AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	114 DARC FT4 Contest ZL Autumn and Winter Sprints, CW ZL Autumn and Winter Sprints, FT4 ZL Autumn and Winter Sprints, SSB	123 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 432 MHz	131 CWops Test (CWT)×2 (2 sessions)	144 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	156 ARRL 10 GHz and Up Contest, Round 1 CVA DX Contest (CW) North American QSO Party, SSB Remembrance Day Contest SARL Youth QSO Party SARTG WW RTTY Contest×2 (2 sessions)	168 9A Activity Contest ARRL Rookie Roundup, RTTY SARTG WW RTTY Contest×2 (2 sessions) ÖVSV VHF/UHF/Microwave Activity Contest continues: ARRL 10 GHz and Up Contest, Round 1 continues: CVA DX Contest (CW) continues: North American QSO Party, SSB continues: Remembrance Day Contest
173 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST) continues: ARRL 10 GHz and Up Contest, Round 1	184 DARC HELL-Kurzcontest ZL Autumn and Winter Sprints, CW ZL Autumn and Winter Sprints, FT4 ZL Autumn and Winter Sprints, SSB	194 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) SARL Wednesday 80 m Club Contest VHF-UHF FT8 Activity: 1296 MHz	201 CWops Test (CWT)×2 (2 sessions)	214 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	223 CVA DX Contest (SSB) Ohio QSO Party YO DX HF Contest	234 SARL HF CW Contest continues: CVA DX Contest (SSB) continues: Ohio QSO Party continues: YO DX HF Contest
242 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	253 ZL Autumn and Winter Sprints, CW ZL Autumn and Winter Sprints, FT4 ZL Autumn and Winter Sprints, SSB	263 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint (SKS)	271 CWops Test (CWT)×2 (2 sessions)	285 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS) RTTYops WW SCRY RTTY Contest	293 ALARA Contest World Wide Digi DX Contest continues: RTTYops WW SCRY RTTY Contest	303 RTTYops WW SCRY RTTY Contest continues: ALARA Contest continues: World Wide Digi DX Contest
312 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	1	23 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 144 MHz	32 CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint Europe (SKSE)	44 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	58 AGCW Handtastenparty 40m (HTP) All Asian DX Contest, Phone IARU Region 1 145 MHz Contest IRTS SSB Field Day PODXS 070 Club Jay Hudak Memorial 80M Sprint RSGB SSB Field Day SARL National Field Day USKA Field Day (SSB)	68 Tennessee QSO Party continues: All Asian DX Contest, Phone continues: IARU Region 1 145 MHz Contest continues: IRTS SSB Field Day continues: PODXS 070 Club Jay Hudak Memorial 80M Sprint continues: RSGB SSB Field Day continues: SARL National Field Day continues: USKA Field Day (SSB)

Every session in August 209949

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101 sessions across 49 contests; repeats share a row.

Contests starting in August 2099
Contest	Date	Start	End	Duration	Mode	Band	Sponsor	Starts in
10-10 International Summer QSO Party (Phone)	Sat 1 Aug	0001Z	2359Z Sun 2 Aug	47h 58m	SSB	10m	10-10 International Net	in 26575 days
JARL Field Day Contest can't enter	Sat 1 Aug	1200Z	0600Z Sun 2 Aug	18h	CWSSBFMAM	160-23cm	JARL	in 26576 days
Concurso REP 50 MHz	Sat 1 Aug	1400Z	1400Z Sun 2 Aug	24h	SSBCWFMAM	6m	REP	in 26576 days
ARRL 222 MHz and Up Distance Contest unverified	Sat 1 Aug	1800Z	1800Z Sun 2 Aug	24h	Mixed	1.25m-3cm	ARRL	in 26576 days
North American QSO Party, CW	Sat 1 Aug	1800Z	0559Z Sun 2 Aug	11h 59m	CW	160-10m	National Contest Journal (NCJ)	in 26576 days
Hemus VHF Contest 144 MHz unverified	Sun 2 Aug	0900Z	1359Z	4h 59m	CWSSBFM	2m	BFRA	in 26577 days
SARL HF Phone Contest	Sun 2 Aug	1400Z	1700Z	3h	SSB	80m/40m/20m	SARL	in 26577 days
K1USN Slow Speed Test (SST)9 sessions	Mon 3 AugFri 7 AugMon 10 AugFri 14 AugMon 17 AugFri 21 AugMon 24 AugFri 28 AugMon 31 Aug	0000Z2000Z0000Z2000Z0000Z2000Z0000Z2000Z0000Z	0100Z2100Z0100Z2100Z0100Z2100Z0100Z2100Z0100Z	1h	CW	160-10m	K1USN Radio Club	in 26577 daysin 26582 daysin 26584 daysin 26589 daysin 26591 daysin 26596 daysin 26598 daysin 26603 daysin 26605 days
AGCW ZAP Merit Contest (ZMC) unverified5 sessions	Mon 3 AugMon 10 AugMon 17 AugMon 24 AugMon 31 Aug	1740Z1740Z1740Z1740Z1740Z	1830Z1830Z1830Z1830Z1830Z	50m	CW	80m	AGCW-DL	in 26578 daysin 26585 daysin 26592 daysin 26599 daysin 26606 days
ARS Spartan Sprint	Tue 4 Aug	0000Z	0200Z	2h	CW	80-10m	Adventure Radio Society	in 26578 days
ZL Autumn and Winter Sprints, CW4 sessions	Tue 4 AugTue 11 AugTue 18 AugTue 25 Aug	0800Z0800Z0800Z0800Z	0829Z0829Z0829Z0829Z	29m	CW	80m	NZART	in 26579 daysin 26586 daysin 26593 daysin 26600 days
ZL Autumn and Winter Sprints, SSB4 sessions	Tue 4 AugTue 11 AugTue 18 AugTue 25 Aug	0830Z0830Z0830Z0830Z	0859Z0859Z0859Z0859Z	29m	SSB	80m	NZART	in 26579 daysin 26586 daysin 26593 daysin 26600 days
ZL Autumn and Winter Sprints, FT44 sessions	Tue 4 AugTue 11 AugTue 18 AugTue 25 Aug	0900Z0900Z0900Z0900Z	0929Z0929Z0929Z0929Z	29m	FT8/FT4FT4	80m	NZART	in 26579 daysin 26586 daysin 26593 daysin 26600 days
A1Club Weekly Test (AWT)4 sessions	Wed 5 AugWed 12 AugWed 19 AugWed 26 Aug	1145Z1145Z1145Z1145Z	1300Z1300Z1300Z1300Z	1h 15m	CW	not recorded	A1 Club	in 26580 daysin 26587 daysin 26594 daysin 26601 days
CWops Test (CWT)16 sessions	Wed 5 AugWed 5 AugThu 6 AugThu 6 AugWed 12 AugWed 12 AugThu 13 AugThu 13 AugWed 19 AugWed 19 AugThu 20 AugThu 20 AugWed 26 AugWed 26 AugThu 27 AugThu 27 Aug	1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z	1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z	1h	CW	160-6m	CWops	in 26580 daysin 26580 daysin 26580 daysin 26580 daysin 26587 daysin 26587 daysin 26587 daysin 26587 daysin 26594 daysin 26594 daysin 26594 daysin 26594 daysin 26601 daysin 26601 daysin 26601 daysin 26601 days
VHF-UHF FT8 Activity: 144 MHz unverified	Wed 5 Aug	1700Z	2100Z	4h	FT8/FT4	2m	QSO BANAT Association (YO2KQT)	in 26580 days
SKCC Straight Key Sprint Europe (SKSE)	Thu 6 Aug	1900Z	2100Z	2h	CW	160-6m	Straight Key Century Club	in 26581 days
NCCC FT4 Sprint (FT4 NS)4 sessions	Fri 7 AugFri 14 AugFri 21 AugFri 28 Aug	0100Z0100Z0100Z0100Z	0130Z0130Z0130Z0130Z	30m	FT8/FT4FT4	160-6m	Northern California Contest Club (NCCC)	in 26581 daysin 26588 daysin 26595 daysin 26602 days
NCCC RTTY Sprint (RTTY NS)4 sessions	Fri 7 AugFri 14 AugFri 21 AugFri 28 Aug	0145Z0145Z0145Z0145Z	0215Z0215Z0215Z0215Z	30m	RTTY	160-15m	Northern California Contest Club (NCCC)	in 26581 daysin 26588 daysin 26595 daysin 26602 days
NCCC Sprint (NS)4 sessions	Fri 7 AugFri 14 AugFri 21 AugFri 28 Aug	0230Z0230Z0230Z0230Z	0300Z0300Z0300Z0300Z	30m	CW	160-15m	Northern California Contest Club (NCCC)	in 26581 daysin 26588 daysin 26595 daysin 26602 days
WAE DX Contest CW	Sat 8 Aug	0000Z	2359Z Sun 9 Aug	47h 59m	CW	80-10m	DARC	in 26582 days
SKCC Weekend Sprintathon (WES)	Sat 8 Aug	1200Z	2359Z Sun 9 Aug	35h 59m	CW	160-6m	Straight Key Century Club	in 26583 days
Concurso Municipios Espanoles (CME)2 sessions	Sat 8 AugSun 9 Aug	1200Z0500Z	2259Z1159Z	10h 59m6h 59m	SSB	80-10m	URE	in 26583 daysin 26583 days
Maryland-DC QSO Party unverified	Sat 8 Aug	1400Z	0400Z Sun 9 Aug	14h	SSBCW	160-10m	Anne Arundel Radio Club	in 26583 days
SARL HF Digital Contest	Sun 9 Aug	1300Z	1600Z	3h	FT8/FT4FT4, FT8	80m/40m/20m	SARL	in 26584 days
SARL YL QSO Party	Sun 9 Aug	1400Z	1500Z	1h	CWSSB	40m	SARL	in 26584 days
4 States QRP Group Second Sunday Sprint (SSS)	Mon 10 Aug	0000Z	0200Z	2h	CWSSBDigital	160-10m	4 States QRP Group	in 26584 days
DARC FT4 Contest	Tue 11 Aug	1900Z	2029Z	1h 29m	FT8/FT4FT4	80m/40m	DARC	in 26586 days
VHF-UHF FT8 Activity: 432 MHz unverified	Wed 12 Aug	1700Z	2100Z	4h	FT8/FT4	70cm	QSO BANAT Association (YO2KQT)	in 26587 days
SARTG WW RTTY Contest3 sessions	Sat 15 AugSat 15 AugSun 16 Aug	0000Z1600Z0800Z	0800Z0000Z Sun 16 Aug1600Z	8h	RTTY	80-10m	SARTG (Scandinavian Amateur Radio Teleprinter Group)	in 26589 daysin 26590 daysin 26591 days
Remembrance Day Contest	Sat 15 Aug	0300Z	0300Z Sun 16 Aug	24h	SSBCWRTTY	160-3cm	WIA	in 26589 days
ARRL 10 GHz and Up Contest, Round 1	Sat 15 Aug	0900Z	0759Z Mon 17 Aug	46h 59m	Mixed	3cm	ARRL	in 26590 days
SARL Youth QSO Party	Sat 15 Aug	1200Z	1300Z	1h	CWSSB	40m	SARL	in 26590 days
CVA DX Contest (CW)	Sat 15 Aug	1800Z	2100Z Sun 16 Aug	27h	CW	160-10m	CRAEC	in 26590 days
North American QSO Party, SSB	Sat 15 Aug	1800Z	0559Z Sun 16 Aug	11h 59m	SSB	160-10m	National Contest Journal (NCJ)	in 26590 days
9A Activity Contest	Sun 16 Aug	0700Z	1200Z	5h	CWSSBFM	6-23cm	HRS	in 26590 days
ÖVSV VHF/UHF/Microwave Activity Contest	Sun 16 Aug	0700Z	1300Z	6h	CWSSBAMFM	6-3cm	ÖVSV	in 26590 days
ARRL Rookie Roundup, RTTY	Sun 16 Aug	1800Z	2359Z	5h 59m	RTTY	80-10m	ARRL	in 26591 days
DARC HELL-Kurzcontest unverified	Tue 18 Aug	1800Z	1859Z	59m	DigitalHell	not recorded	DARC	in 26593 days
VHF-UHF FT8 Activity: 1296 MHz unverified	Wed 19 Aug	1700Z	2100Z	4h	DigitalFT8	23cm	QSO BANAT Association (YO2KQT)	in 26594 days
SARL Wednesday 80 m Club Contest can't enter	Wed 19 Aug	1700Z	1800Z	1h	SSBCWRTTY	80m	SARL	in 26594 days
YO DX HF Contest	Sat 22 Aug	1200Z	1159Z Sun 23 Aug	23h 59m	CWSSB	80-10m	FRR	in 26597 days
Ohio QSO Party	Sat 22 Aug	1600Z	0400Z Sun 23 Aug	12h	SSBCW	160-10m	Mad River Radio Club	in 26597 days
CVA DX Contest (SSB)	Sat 22 Aug	1800Z	2100Z Sun 23 Aug	27h	SSB	160-10m	CRAEC	in 26597 days
SARL HF CW Contest	Sun 23 Aug	1400Z	1700Z	3h	CW	80m/40m/20m	SARL	in 26598 days
SKCC Straight Key Sprint (SKS)	Wed 26 Aug	0000Z	0200Z	2h	CW	160-6m	Straight Key Century Club	in 26600 days
RTTYops WW SCRY RTTY Contest unverified2 sessions	Fri 28 AugSun 30 Aug	2200Z1200Z	1200Z Sat 29 Aug2359Z	14h11h 59m	RTTYRTTY 45 baud	160-10m	RTTYops	in 26603 daysin 26605 days
ALARA Contest	Sat 29 Aug	0600Z	0559Z Sun 30 Aug	23h 59m	SSBCW	80-10m	ALARA	in 26603 days
World Wide Digi DX Contest	Sat 29 Aug	1200Z	1159Z Sun 30 Aug	23h 59m	FT8/FT4FT4, FT8	160-10m	WWROF / Slovenia Contest Club	in 26604 days

10-10 International Summer QSO Party (Phone)
SSB · 10m · 10-10 International Net
- 0001Z Sat 1 Aug → 2359Z Sun 2 Aug · 47h 58min 26575 days
JARL Field Day Contest can't enter
CWSSBFMAM · 160-23cm · JARL
- 1200Z Sat 1 Aug → 0600Z Sun 2 Aug · 18hin 26576 days
Concurso REP 50 MHz
SSBCWFMAM · 6m · REP
- 1400Z Sat 1 Aug → 1400Z Sun 2 Aug · 24hin 26576 days
ARRL 222 MHz and Up Distance Contest unverified
Mixed · 1.25m-3cm · ARRL
- 1800Z Sat 1 Aug → 1800Z Sun 2 Aug · 24hin 26576 days
North American QSO Party, CW
CW · 160-10m · National Contest Journal (NCJ)
- 1800Z Sat 1 Aug → 0559Z Sun 2 Aug · 11h 59min 26576 days
Hemus VHF Contest 144 MHz unverified
CWSSBFM · 2m · BFRA
- 0900Z Sun 2 Aug → 1359Z · 4h 59min 26577 days
SARL HF Phone Contest
SSB · 80m/40m/20m · SARL
- 1400Z Sun 2 Aug → 1700Z · 3hin 26577 days
K1USN Slow Speed Test (SST)
CW · 160-10m · K1USN Radio Club
- 0000Z Mon 3 Aug → 0100Z · 1hin 26577 days
- 2000Z Fri 7 Aug → 2100Z · 1hin 26582 days
- 0000Z Mon 10 Aug → 0100Z · 1hin 26584 days
- 2000Z Fri 14 Aug → 2100Z · 1hin 26589 days
- 0000Z Mon 17 Aug → 0100Z · 1hin 26591 days
- 2000Z Fri 21 Aug → 2100Z · 1hin 26596 days
- 0000Z Mon 24 Aug → 0100Z · 1hin 26598 days
- 2000Z Fri 28 Aug → 2100Z · 1hin 26603 days
- 0000Z Mon 31 Aug → 0100Z · 1hin 26605 days
AGCW ZAP Merit Contest (ZMC) unverified
CW · 80m · AGCW-DL
- 1740Z Mon 3 Aug → 1830Z · 50min 26578 days
- 1740Z Mon 10 Aug → 1830Z · 50min 26585 days
- 1740Z Mon 17 Aug → 1830Z · 50min 26592 days
- 1740Z Mon 24 Aug → 1830Z · 50min 26599 days
- 1740Z Mon 31 Aug → 1830Z · 50min 26606 days
ARS Spartan Sprint
CW · 80-10m · Adventure Radio Society
- 0000Z Tue 4 Aug → 0200Z · 2hin 26578 days
ZL Autumn and Winter Sprints, CW
CW · 80m · NZART
- 0800Z Tue 4 Aug → 0829Z · 29min 26579 days
- 0800Z Tue 11 Aug → 0829Z · 29min 26586 days
- 0800Z Tue 18 Aug → 0829Z · 29min 26593 days
- 0800Z Tue 25 Aug → 0829Z · 29min 26600 days
ZL Autumn and Winter Sprints, SSB
SSB · 80m · NZART
- 0830Z Tue 4 Aug → 0859Z · 29min 26579 days
- 0830Z Tue 11 Aug → 0859Z · 29min 26586 days
- 0830Z Tue 18 Aug → 0859Z · 29min 26593 days
- 0830Z Tue 25 Aug → 0859Z · 29min 26600 days
ZL Autumn and Winter Sprints, FT4
FT8/FT4FT4 · 80m · NZART
- 0900Z Tue 4 Aug → 0929Z · 29min 26579 days
- 0900Z Tue 11 Aug → 0929Z · 29min 26586 days
- 0900Z Tue 18 Aug → 0929Z · 29min 26593 days
- 0900Z Tue 25 Aug → 0929Z · 29min 26600 days
A1Club Weekly Test (AWT)
CW · A1 Club
- 1145Z Wed 5 Aug → 1300Z · 1h 15min 26580 days
- 1145Z Wed 12 Aug → 1300Z · 1h 15min 26587 days
- 1145Z Wed 19 Aug → 1300Z · 1h 15min 26594 days
- 1145Z Wed 26 Aug → 1300Z · 1h 15min 26601 days
CWops Test (CWT)
CW · 160-6m · CWops
- 1300Z Wed 5 Aug → 1400Z · 1hin 26580 days
- 1900Z Wed 5 Aug → 2000Z · 1hin 26580 days
- 0300Z Thu 6 Aug → 0400Z · 1hin 26580 days
- 0700Z Thu 6 Aug → 0800Z · 1hin 26580 days
- 1300Z Wed 12 Aug → 1400Z · 1hin 26587 days
- 1900Z Wed 12 Aug → 2000Z · 1hin 26587 days
- 0300Z Thu 13 Aug → 0400Z · 1hin 26587 days
- 0700Z Thu 13 Aug → 0800Z · 1hin 26587 days
- 1300Z Wed 19 Aug → 1400Z · 1hin 26594 days
- 1900Z Wed 19 Aug → 2000Z · 1hin 26594 days
- 0300Z Thu 20 Aug → 0400Z · 1hin 26594 days
- 0700Z Thu 20 Aug → 0800Z · 1hin 26594 days
- 1300Z Wed 26 Aug → 1400Z · 1hin 26601 days
- 1900Z Wed 26 Aug → 2000Z · 1hin 26601 days
- 0300Z Thu 27 Aug → 0400Z · 1hin 26601 days
- 0700Z Thu 27 Aug → 0800Z · 1hin 26601 days
VHF-UHF FT8 Activity: 144 MHz unverified
FT8/FT4 · 2m · QSO BANAT Association (YO2KQT)
- 1700Z Wed 5 Aug → 2100Z · 4hin 26580 days
SKCC Straight Key Sprint Europe (SKSE)
CW · 160-6m · Straight Key Century Club
- 1900Z Thu 6 Aug → 2100Z · 2hin 26581 days
NCCC FT4 Sprint (FT4 NS)
FT8/FT4FT4 · 160-6m · Northern California Contest Club (NCCC)
- 0100Z Fri 7 Aug → 0130Z · 30min 26581 days
- 0100Z Fri 14 Aug → 0130Z · 30min 26588 days
- 0100Z Fri 21 Aug → 0130Z · 30min 26595 days
- 0100Z Fri 28 Aug → 0130Z · 30min 26602 days
NCCC RTTY Sprint (RTTY NS)
RTTY · 160-15m · Northern California Contest Club (NCCC)
- 0145Z Fri 7 Aug → 0215Z · 30min 26581 days
- 0145Z Fri 14 Aug → 0215Z · 30min 26588 days
- 0145Z Fri 21 Aug → 0215Z · 30min 26595 days
- 0145Z Fri 28 Aug → 0215Z · 30min 26602 days
NCCC Sprint (NS)
CW · 160-15m · Northern California Contest Club (NCCC)
- 0230Z Fri 7 Aug → 0300Z · 30min 26581 days
- 0230Z Fri 14 Aug → 0300Z · 30min 26588 days
- 0230Z Fri 21 Aug → 0300Z · 30min 26595 days
- 0230Z Fri 28 Aug → 0300Z · 30min 26602 days
WAE DX Contest CW
CW · 80-10m · DARC
- 0000Z Sat 8 Aug → 2359Z Sun 9 Aug · 47h 59min 26582 days
SKCC Weekend Sprintathon (WES)
CW · 160-6m · Straight Key Century Club
- 1200Z Sat 8 Aug → 2359Z Sun 9 Aug · 35h 59min 26583 days
Concurso Municipios Espanoles (CME)
SSB · 80-10m · URE
- 1200Z Sat 8 Aug → 2259Z · 10h 59min 26583 days
- 0500Z Sun 9 Aug → 1159Z · 6h 59min 26583 days
Maryland-DC QSO Party unverified
SSBCW · 160-10m · Anne Arundel Radio Club
- 1400Z Sat 8 Aug → 0400Z Sun 9 Aug · 14hin 26583 days
SARL HF Digital Contest
FT8/FT4FT4, FT8 · 80m/40m/20m · SARL
- 1300Z Sun 9 Aug → 1600Z · 3hin 26584 days
SARL YL QSO Party
CWSSB · 40m · SARL
- 1400Z Sun 9 Aug → 1500Z · 1hin 26584 days
4 States QRP Group Second Sunday Sprint (SSS)
CWSSBDigital · 160-10m · 4 States QRP Group
- 0000Z Mon 10 Aug → 0200Z · 2hin 26584 days
DARC FT4 Contest
FT8/FT4FT4 · 80m/40m · DARC
- 1900Z Tue 11 Aug → 2029Z · 1h 29min 26586 days
VHF-UHF FT8 Activity: 432 MHz unverified
FT8/FT4 · 70cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 12 Aug → 2100Z · 4hin 26587 days
SARTG WW RTTY Contest
RTTY · 80-10m · SARTG (Scandinavian Amateur Radio Teleprinter Group)
- 0000Z Sat 15 Aug → 0800Z · 8hin 26589 days
- 1600Z Sat 15 Aug → 0000Z Sun 16 Aug · 8hin 26590 days
- 0800Z Sun 16 Aug → 1600Z · 8hin 26591 days
Remembrance Day Contest
SSBCWRTTY · 160-3cm · WIA
- 0300Z Sat 15 Aug → 0300Z Sun 16 Aug · 24hin 26589 days
ARRL 10 GHz and Up Contest, Round 1
Mixed · 3cm · ARRL
- 0900Z Sat 15 Aug → 0759Z Mon 17 Aug · 46h 59min 26590 days
SARL Youth QSO Party
CWSSB · 40m · SARL
- 1200Z Sat 15 Aug → 1300Z · 1hin 26590 days
CVA DX Contest (CW)
CW · 160-10m · CRAEC
- 1800Z Sat 15 Aug → 2100Z Sun 16 Aug · 27hin 26590 days
North American QSO Party, SSB
SSB · 160-10m · National Contest Journal (NCJ)
- 1800Z Sat 15 Aug → 0559Z Sun 16 Aug · 11h 59min 26590 days
9A Activity Contest
CWSSBFM · 6-23cm · HRS
- 0700Z Sun 16 Aug → 1200Z · 5hin 26590 days
ÖVSV VHF/UHF/Microwave Activity Contest
CWSSBAMFM · 6-3cm · ÖVSV
- 0700Z Sun 16 Aug → 1300Z · 6hin 26590 days
ARRL Rookie Roundup, RTTY
RTTY · 80-10m · ARRL
- 1800Z Sun 16 Aug → 2359Z · 5h 59min 26591 days
DARC HELL-Kurzcontest unverified
DigitalHell · DARC
- 1800Z Tue 18 Aug → 1859Z · 59min 26593 days
VHF-UHF FT8 Activity: 1296 MHz unverified
DigitalFT8 · 23cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 19 Aug → 2100Z · 4hin 26594 days
SARL Wednesday 80 m Club Contest can't enter
SSBCWRTTY · 80m · SARL
- 1700Z Wed 19 Aug → 1800Z · 1hin 26594 days
YO DX HF Contest
CWSSB · 80-10m · FRR
- 1200Z Sat 22 Aug → 1159Z Sun 23 Aug · 23h 59min 26597 days
Ohio QSO Party
SSBCW · 160-10m · Mad River Radio Club
- 1600Z Sat 22 Aug → 0400Z Sun 23 Aug · 12hin 26597 days
CVA DX Contest (SSB)
SSB · 160-10m · CRAEC
- 1800Z Sat 22 Aug → 2100Z Sun 23 Aug · 27hin 26597 days
SARL HF CW Contest
CW · 80m/40m/20m · SARL
- 1400Z Sun 23 Aug → 1700Z · 3hin 26598 days
SKCC Straight Key Sprint (SKS)
CW · 160-6m · Straight Key Century Club
- 0000Z Wed 26 Aug → 0200Z · 2hin 26600 days
RTTYops WW SCRY RTTY Contest unverified
RTTYRTTY 45 baud · 160-10m · RTTYops
- 2200Z Fri 28 Aug → 1200Z Sat 29 Aug · 14hin 26603 days
- 1200Z Sun 30 Aug → 2359Z · 11h 59min 26605 days
ALARA Contest
SSBCW · 80-10m · ALARA
- 0600Z Sat 29 Aug → 0559Z Sun 30 Aug · 23h 59min 26603 days
World Wide Digi DX Contest
FT8/FT4FT4, FT8 · 160-10m · WWROF / Slovenia Contest Club
- 1200Z Sat 29 Aug → 1159Z Sun 30 Aug · 23h 59min 26604 days

August 2099

Every session in August 209949

JARL Field Day Contest can't enter

ARRL 222 MHz and Up Distance Contest unverified

Hemus VHF Contest 144 MHz unverified

AGCW ZAP Merit Contest (ZMC) unverified

VHF-UHF FT8 Activity: 144 MHz unverified

Maryland-DC QSO Party unverified

VHF-UHF FT8 Activity: 432 MHz unverified

DARC HELL-Kurzcontest unverified

VHF-UHF FT8 Activity: 1296 MHz unverified

SARL Wednesday 80 m Club Contest can't enter

RTTYops WW SCRY RTTY Contest unverified