Call Busts and Reverse Busts: CQ WW 2017

This is the thirteenth in a series of posts on busts and reverse busts in the CQ WW contests. These posts are based on the various public CQ WW logs (cq-ww-2005--2017-augmented.xz; see here for details of the augmented format).

Prior posts in the series on busts and reverse busts in CQ WW:

• 2005
• 2006 
• 2007
• 2008 
• 2009 
• 2010
• 2011 
• 2012
• 2013 
• 2014
• 2015 
• 2016

In this post, we include only verified QSOs; that is, QSOs for which both parties submitted a log. This is a change from earlier years' posts.

First, the tables for the 2017 SSB data:

2017 SSB -- Most Busts
Position	Call	QSOs	Busts	% Busts
1	CN3A	10,192	183	1.8
2	LZ9W	8,143	162	2.0
3	PJ2T	7,168	158	2.2
4	HI3K	4,927	153	3.1
5	EI9E	5,055	152	3.0
6	A44A	6,508	135	2.1
7	CU4DX	7,020	133	1.9
8	V26B	6,595	132	2.0
9	OT5A	6,158	131	2.1
10	HG7T	6,488	128	2.0

2017 SSB -- Most Reverse Busts
Position	Call	QSOs	Reverse Busts	% Reverse Busts
1	CN2R	8,757	247	2.8
2	SJ0X	5,256	233	4.4
3	IK2YCW	5,201	213	4.1
4	DF0HQ	7,444	172	2.3
5	HC0E	3,981	168	4.2
6	TM3R	3,819	168	4.4
7	6Y1LZ	5,229	153	2.9
8	VE3JM	4,991	140	2.8
9	EC2DX	7,228	137	1.9
10	W3LPL	5,693	131	2.3

2017 SSB -- Highest Percentage of Busts (≥100 QSOs)
Position	Call	QSOs	% Busts
1	YB0ZZD	134	12.7
2	XR3L	111	12.6
3	EA1HTF	438	12.6
4	PY2TED	128	12.5
5	4Z5FW	120	12.5
6	AJ2E	100	12.0
7	UA6BFE	200	12.0
8	K2JMY	303	11.9
9	YO8RKP	144	11.1
10	PD5ISW	136	11.0

2017 SSB -- Highest Percentage of Reverse Busts (≥100 QSOs)
Position	Call	QSOs	% Reverse Busts
1	VR20C	112	69.6
2	VR20FUN	134	25.4
3	TC10K	108	19.4
4	KM4EOG	201	16.9
5	XR3L	111	16.2
6	BG2VIA	224	16.1
7	IW0HLZ	212	14.2
8	BI4IV	405	13.6
9	BG8SXC	130	10.8
10	LU9DDJ	701	10.4

In tables of reverse busts, one sometimes finds what seems like an unreasonable number of reverse busts (as, in this table, for VR20C). This is generally caused by a discrepancy between the call actually sent by the listed station and the one recorded as being sent in at least some QSOs in the log, although it can, of course, be due to an unusual callsign structure (as appears to be the cause in the instant case) or poor audio quality.

Now the tables for the 2017 CW data:

2017 CW -- Most Busts
Position	Call	QSOs	Busts	% Busts
1	PS0F	3,259	155	4.8
2	ZW8T	2,635	153	5.8
3	6Y0W	8,074	142	1.8
4	EW6W	7,641	141	1.8
5	F6ENO	2,838	134	4.7
6	EI3KE	1,881	130	6.9
7	ZW5B	2,411	119	4.9
8	TO2SP	6,095	112	1.8
9	CN2R	8,885	112	1.3
10	PJ2T	9,571	112	1.2

2017 CW -- Most Reverse Busts
Position	Call	QSOs	Reverse Busts	% Reverse Busts
1	IB9T	7488	315	4.2
2	9571	8986	304	3.4
3	DF0HQ	8475	303	3.6
4	ED8X	8780	295	3.4
5	TI7W	7639	232	3.0
6	EF8R	9574	225	2.4
7	V47T	9234	222	2.4
8	P40L	9103	212	2.3
9	JS3CTQ	2050	206	10.0
10	SN8B	5334	186	3.5

2017 CW -- Highest Percentage of Busts (≥100 QSOs)
Position	Call	QSOs	% Busts
1	W2UDT	216	27.3
2	BD3MV	130	23.8
3	DJ5UZ	209	23.0
4	AE6JV	100	22.0
5	CT1ZQ	108	19.4
6	IQ5PO	130	18.5
7	W2OF	126	18.3
8	WA2JQK	266	18.0
9	PY1CC	134	17.2
10	PY4RL	101	16.8

2017 CW -- Highest Percentage of Reverse Busts (≥100 QSOs)
Position	Call	QSOs	% Reverse Busts
1	CR5SSB	288	34.0
2	EA7/OG55W	226	21.2
3	OE3BKC	259	17.0
4	R4WBD	135	16.3
5	R2AHH	249	14.1
6	JL3ZHU	122	13.9
7	LU5DDX	141	12.8
8	K7HI	181	12.7
9	PY2LPM	206	12.1
10	IS0URA	134	11.9

Now we look at the tables that integrate ten years' data.

For SSB:

2008 to 2017 SSB -- Most Busts
Position	Call	QSOs	Busts	% Busts
1	OT5A	69,479	1,381	2.0
2	LZ9W	81,222	1,350	1.7
3	PJ2T	68,720	1,293	1.9
4	A73A	59,609	1,214	2.0
5	CN3A	78,609	1,206	1.5
6	HG1S	46,753	979	2.1
7	JA7YRR	29,688	826	2.8
8	PT2CM	26,606	766	2.9
9	LY7A	50,053	755	1.5
10	RT6A	41,974	750	1.8

2008 to 2017 SSB -- Most Reverse Busts
Position	Call	QSOs	Reverse Busts	% Reverse Busts
1	DF0HQ	78,630	2,244	2.9
2	JA3YBK	40,551	1,228	3.0
3	K3LR	68,781	1,077	1.6
4	WE3C	39,647	1,073	2.7
5	CN2R	60,225	1,032	1.7
6	HG1S	46,753	939	2.0
7	S52ZW	34,604	895	2.6
8	GM2T	37,394	861	2.3
9	CN3A	78,609	813	1.0
10	W3LPL	52,637	790	1.5

2008 to 2017 SSB -- Highest Percentage of Busts (≥500 QSOs)
Position	Call	QSOs	% Busts
1	PV8ADI	858	12.6
2	K2JMY	2,062	12.2
3	EA1HTF	854	10.9
4	EA7JQT	572	10.9
5	PU1MMZ	544	9.5
6	PU2TRX	868	9.3
7	UR5ZDZ	502	8.7
8	K8TS	732	8.7
9	YB9KA	557	8.6
10	DS5FNE	1,396	7.6

2008 to 2017 SSB -- Highest Percentage of Reverse Busts (≥500 QSOs)
Position	Call	QSOs	% Reverse Busts
1	CW90A	1,370	30.9
2	BA8AG	752	16.4
3	BW2/KU1CW	940	12.3
4	ZP6DYA	1,226	11.3
5	V84SCQ	806	10.5
6	LU9DDJ	701	10.4
7	BI8FZA	654	10.4
8	BV55D	919	10.2
9	JG3SVP	1,270	10.1
10	PP5BS	895	9.5

 And for CW:

2008 to 2017 CW -- Most Busts
Position	Call	QSOs	Busts	% Busts
1	PJ2T	86,693	1,232	1.4
2	PV8ADI	8,127	1,177	14.5
3	LZ9W	91,852	1,098	1.2
4	PI4CC	49,201	965	2.0
5	HG1S	39,874	924	2.3
6	D4C	64,215	837	1.3
7	PJ4A	68,099	810	1.2
8	NR4M	52,432	742	1.4
9	9A1A	87,797	742	0.8
10	RW0A	44,026	723	1.6

2008 to 2017 CW -- Most Reverse Busts
Position	Call	QSOs	Reverse Busts	% Reverse Busts
1	DF0HQ	84,331	3,055	3.6
2	JS3CTQ	22,349	2,905	13.0
3	ES9C	49,467	1,512	3.1
4	W2FU	55,507	1,415	2.5
5	DR1A	54,949	1,396	2.5
6	K3LR	71,723	1,395	1.9
7	IR4X	43,912	1,325	3.0
8	W0AIH	31,204	1,246	4.0
9	NR4M	52,432	1,129	2.2
10	V26K	50,123	1,122	2.2

2008 to 2017 CW -- Highest Percentage of Busts (≥500 QSOs)
Position	Call	QSOs	% Busts
1	BD3MV	954	19.8
2	AD7XG	911	18.7
3	W2UDT	989	17.5
4	DJ5UZ	508	16.9
5	YO7LYM	1,461	16.7
6	JA3AHY	554	16.6
7	WP3Y	570	16.3
8	AE3D	1016	15.8
9	YU1NIM	619	15.8
10	N8WS	524	14.9

2008 to 2017 CW -- Highest Percentage of Reverse Busts (≥500 QSOs)
Position	Call	QSOs	% Reverse Busts
1	HA8FW	900	100.0
2	G3RWF	943	99.9
3	RZ3VO	1,792	49.9
4	YT65A	1,149	37.2
5	OG55W	2,569	32.2
6	5K0A	1,853	32.1
7	DP65HSC	516	16.9
8	5J1E	1,523	15.6
9	SB0A	1,102	15.5
10	YP0HQ	1,787	14.0