2019-08-25

Call Busts and Reverse Busts: CQ WW 2018

This is the latest in a series of posts on (callsign) busts and reverse busts in the CQ WW contests. These posts are based on the various public CQ WW logs (cq-ww-2005--2018-augmented.xz; see here for details of the augmented format).

Prior posts in the series on busts and reverse busts in CQ WW:
In this post, we include only verified QSOs; that is, QSOs for which both parties submitted a log.

First, the tables for the CQ WW SSB 2018:

2018 SSB -- Most Busts
Position Call QSOs Busts % Busts
1 V26B 6,160 166 2.7
2 CN3A 9,457 159 1.7
3 D4C 8,295 155 1.9
4 LZ9W 7,558 142 1.9
5 TM0T 4,189 136 3.2
6 A44A 3,944 135 3.4
7 ZF1A 6,423 115 1.8
8 OK5Z 3,634112 3.1
9 EF8R 8,357 107 1.3
10 OT5A 5,021 106 2.1

2018 SSB -- Most Reverse Busts
Position Call QSOs Reverse Busts % Reverse Busts
1 OG60F 4,258 486 11.4
2 HC0E 1,873 274 14.6
3 TM3R 3,605 233 6.5
4 DF0HQ 6,857 195 2.8
5 KL7RA 4,622 157 3.4
6 IK2YCW 4,021 150 3.7
7 EF8R 8,357 148 1.8
8 JA3YBK 3,509140 4.0
9 JE2YRB 1,362 140 10.3
10 ED3M 3,152 131 4.2

2018 SSB -- Highest Percentage of Busts (≥100 QSOs)
Position Call QSOs % Busts
1 YB2BNN 136 16.9
2 SP9KB 189 14.8
3 UB3AQA 129 13.2
4 IU8GYT 210 12.4
5 YC1HLT 108 12.0
6 KE0KOT 101 11.9
7 R7AC 112 11.6
8 W7UPF 13710.9
9 TA3PZ 152 10.5
10 9W6VAT 143 10.5

2018 SSB -- Highest Percentage of Reverse Busts (≥100 QSOs)
Position Call QSOs % Reverse Busts
1 HC0E 1,873 14.6
2 OG60F 4,258 11.4
3 BY4QA 437 11.2
4 9M2SDX 135 11.1
5 BV2A/3 443 11.1
6 W6MOB 101 10.9
7 JE2YRB 1,362 10.3
8 IK3SSJ 2079.7
9 9M6GOH 288 9.0
10 IK3XTY 123 8.9

Now the tables for the 2018 CW data:

2018 CW -- Most Busts
Position Call QSOs Busts % Busts
1 TK0C 10,328 175 1.7
2OZ5E 6,144 149 2.4
3 D41CV 7,456 144 1.9
4 CN3A 11,670 141 1.2
5 LZ9W 9,958 132 1.3
6 F6KOP 3,738 129 3.5
7 NP2P 3,369 120 3.6
8 RW0A 6,524116 1.8
9 G3V 6,593 113 1.7
10 RM9A 8,834 112 1.3

2018 CW -- Most Reverse Busts
Position Call QSOs Reverse Busts % Reverse Busts
1 PE75W 1,408 412 29.3
2 ES9C 9,696 322 3.3
3 JS3CTQ 2,455 320 13.0
4 CN3A 11,670 278 2.4
5 DF0HQ 8,658 274 3.2
6 EF8R 12,115 271 2.2
7 OG60F 5,561 232 4.2
8 RM9A 8,834213 2.4
9 UA4S 5,283 208 3.9
10 CR3W 8,586 173 2.0

2018 CW -- Highest Percentage of Busts (≥100 QSOs)
Position Call QSOs % Busts
1 KD5QHV 116 23.3
2 YO7LYM 250 18.8
3 W3ICM 107 18.7
4 OH1LAR 156 18.6
5 PA0SKP 204 18.1
6 K4KAY 235 17.9
7 W4PH 198 17.7
8 LA6M 22517.0
9 GD4EIP 453 16.8
10 VE5WI 180 16.7

2018 CW -- Highest Percentage of Reverse Busts (≥100 QSOs)
Position Call QSOs % Reverse Busts
1 PE75W 1,408 29.3
2 YU1LG 167 19.2
3 DK3HM 294 15.6
4 K3HW 414 14.7
5 PY2LPM 103 14.6
6 OG55W 463 14.0
7 JS3CTQ 2,455 13.0
8 SA0BXV 15712.7
9 JA8HBO 103 12.6
10 G0AZS 188 12.2

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

For SSB:

2009 to 2018 SSB -- Most Busts
Position Call QSOs Busts % Busts
1 LZ9W 83,740 1,456 1.7
2 OT5A 69,414 1,363 2.0
3 PJ2T 70,851 1,324 1.9
4 CN3A 83,700 1,316 1.6
5 A73A 62,374 1,260 2.0
6 HG1S 42,980 868 2.0
7 EF8R 50,246 850 1.7
8 V26B 56,636843 1.5
9 JA7YRR 28,832 821 2.8
10 HG7T 54,081 785 1.5

2009 to 2018 SSB -- Most Reverse Busts
Position Call QSOs Reverse Busts % Reverse Busts
1 DF0HQ 79,704 2,301 2.9
2 JA3YBK 41,284 1,311 3.2
3 K3LR 69,728 1,078 1.5
4 CN2R 59,585 1,027 1.7
5 WE3C 36,245 976 2.7
6 CN3A 83,700 891 1.1
7 HG1S 42,980 884 2.1
8 S52ZW 32,848847 2.6
9 W3LPL 53,037 800 1.5
10 HK1NA 40,363 788 2.0

2009 to 2018 SSB -- Highest Percentage of Busts (≥500 QSOs)
Position Call QSOs % Busts
1 PV8ADI 858 16.2
2 K2JMY 2,062 14.8
3 EA7JQT 572 12.4
4 EA1HTF 1,244 11.9
5 PU1MMZ 544 11.4
6 K8TS 679 10.9
7 PU2TRX 868 10.8
8 YB9KA 55710.1
9 HC2GF 936 10.0
10 E20WXA 594 9.9

2009 to 2018 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 OG60F 4,258 11.4
5 ZP6DYA 1,226 11.3
6 V84SCQ 806 10.5
7 LU9DDJ 701 10.4
8 JE2YRB 1,36210.3
9 BV55D 919 10.2
10 JG3SVP 1,270 10.1

 And for CW:

2009 to 2018 CW -- Most Busts
Position Call QSOs Busts % Busts
1 PJ2T 90,264 1,260 1.4
2 LZ9W 95,211 1,193 1.3
3 PV8ADI 8,127 1,177 14.5
4 PI4CC 53,794 1,056 2.0
5 OZ5E 30,550 824 2.7
6 9A1A 98,218 809 0.8
7 PJ4A 69,325 806 1.2
8 HG1S 35,367801 2.3
9 D4C 56,710 788 1.4
10 RW0A 47,270 768 1.6

2009 to 2018 CW -- Most Reverse Busts
Position Call QSOs Reverse Busts % Reverse Busts
1 JS3CTQ 24,173 3,139 13.0
2 DF0HQ 86,422 3,073 3.6
3 ES9C 59,162 1,834 3.1
4 W2FU 56,827 1,456 2.6
5 K3LR 74,177 1,408 1.9
6 DR1A 49,284 1,290 2.6
7 IR4X 44,952 1,274 2.8
8 NR4M 54,5081,184 2.2
9 HG7T 58,224 1,178 2.0
10 W0AIH 29,076 1,151 4.0

2009 to 2018 CW -- Highest Percentage of Busts (≥500 QSOs)
Position Call QSOs % Busts
1 W2UDT 911 19.8
2 BD3MV 1,005 19.2
3 YO7LYM 1,711 17.0
4 JA3AHY 554 16.6
5 DJ5UZ 686 16.5
6 WP3Y 570 16.3
7 AE3D 1,016 15.8
8 YU1NIM 61915.8
9 AD7XG 1,178 15.4
10 SM5BJT 615 14.6

2009 to 2018 CW -- Highest Percentage of Reverse Busts (≥500 QSOs)
Position Call QSOs % Reverse Busts
1 G3RWF 943 99.9
2 RZ3VO 1,792 49.9
3 YT65A 1,149 37.2
4 5K0A 1,853 32.1
5 OG55W 3,032 29.4
6 PE75W 1,408 29.3
7 DP65HSC 516 16.9
8 5J1E 1,52315.6
9 SB0A 1,102 15.5
10 YP0HQ 1,787 14.0

NB: In tables of reverse busts, one sometimes finds what seems like an unreasonable number of reverse busts (as, in this table, for G3RWF). 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 or poor signal quality.

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