2017-03-03

Call Busts and Reverse Busts in CQ WW, 2005

The availability of augmented versions of the CQ WW public logs makes many interesting analyses rather simple.

One obvious example is a listing of the stations with the largest number and percentage of busted calls and reverse busts (i.e., calls that were busted by others).

Below are the results for the first year for which public logs are available, 2005.


2005 SSB -- Most Busts
Position Call QSOs Busts % Busts
1 CT3YA 13,104 303 2.3
2 YV4A 8,304 110 1.3
3 OT5A 9,710 103 1.1
4 EA8ZS 4,005 102 2.5
5 EX0M 3,551 100 2.8
6 3V5A 9,157 99 1.1
7 MD4K 9,473 97 1.0
8 PS2T 7,61293 1.2
9 HG3M 3,409 92 2.7
10 EI7M 6,584 88 1.3


2005 SSB -- Most Reverse Busts
Position Call QSOs Reverse Busts % Reverse Busts
1 OH5BM 4,158 1,904 45.8
2 DF0CG 10,232 132 1.3
3 DQ0Q 10,060 131 1.3
4 IS0/DL3EW 5,773 130 2.3
5 CT3YA 13,104 122 0.9
6 HB0/HB9AON 6,005 108 1.8
7 TM2Y 4,874 104 2.1
8 4X1DX 3,955102 2.6
9 NN3W 2,355 101 4.3
10 S580A 1,087 94 8.6

In tables of reverse busts, one sometimes finds what seems like an unreasonable number of reverse busts (as, in this table, for OH5BM). 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.

2005 SSB -- Highest Percentage of Busts (≥100 QSOs)
Position Call QSOs % Busts
1 EA1BGV 185 14.6
2 RK3WWA 249 14.5
3 EA7BGR 124 12.1
4 DH6BH 170 10.0
5 SQ3GNA 189 9.0
6 LY5CAB 156 9.0
7 PY2SF 137 8.8
8 SP5WLV 1078.4
9 PR7AR 109 8.3
10 K7LV 122 8.2


2005 SSB -- Highest Percentage of Reverse Busts (≥100 QSOs)
Position Call QSOs % Reverse Busts
1 OH5BM 4,185 45.8
2 JQ1NGT 513 12.1
3 DK3W 138 10.9
4 S580A 1,087 8.6
5 PI60HQ 774 8.1
6 PH3BDJ 251 8.0
7 DJ2ZS 270 7.0
8 PI60AZL 1007.0
9 S55Z 101 6.9
10 K2UG 540 6.7



2005 CW -- Most Busts
Position Call QSOs Busts % Busts
1 PZ5C 6,246 142 2.3
2 B1Z 3,879 125 3.2
3 DL2F 2,175 110 5.1
4 HC8N 15,823 107 0.7
5 PJ2T 12,527 100 0.8
6 OT5P 2,271 96 4.2
7 YT1W 2,340 95 4.1
8 UP5G 6,61694 1.4
9 YV5KG 1,284 93 7.2
10 YT6A 8,080 88 1.1


2005 CW -- Most Reverse Busts
Position Call QSOs Reverse Busts % Reverse Busts
1 5J1W 7,029 632 9.0
2 IH9P 10,704 366 3.4
3 YT6A 8,080 238 2.9
4 5B/AJ2O 5,612 179 3.2
5 F6KHM 3,717 175 4.7
6 CT8T 5,622 162 2.9
7 V26K 5,596 143 2.6
8 RX4HZ 4,063142 3.5
9 DP9A 6,221 136 2.2
10 IR4X 6,837 129 1.9


2005 CW -- Highest Percentage of Busts (≥100 QSOs)
Position Call QSOs % Busts
1 AA7PM 105 17.1
2 K4OH 127 16.5
3 W1BIH 107 15.0
4 OM4AMA 150 14.0
5 K7TR 131 13.7
6 OM3CHL 188 12.2
7 S58RU 473 11.8
8 VA3AVP 14411.8
9 SQ3GNA 111 11.7
10 RA9WV 299 11.7


2005 CW -- Highest Percentage of Reverse Busts (≥100 QSOs)
Position Call QSOs % Reverse Busts
1 YO7HHI 300 17.3
2 SP5DIR/5 127 16.5
3 SA25RO 201 14.4
4 JA1GS 108 12.0
5 JS3CTQ 174 10.9
6 F5SDD 190 9.5
7 5J1W 7,029 9.0
8 EA7EYQ 1048.7
9 SP3CDQ 200 8.5
10 WA4GLH 106 8.5




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