From 1993 to 2009, SDI (SD for IOTA) was the only contest logger dedicated to the IOTA contest, and now all its features have been integrated into SD.

See for yourself the advantages of SD/SDI in the IOTA Contest. Here's what users say.

For 14 years, from 1993 to 2006 inclusive, SDI was the leading IOTA Contest logger. Here are the stats for loggers used in recent IOTA Contests - thanks G3XTT and 5B4WN.




1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

2006

332
305
131
97
93
75
57
34
25
22
19
17
17
11
9



SDI by EI5DI
N1MM
Writelog
AATest
TR Log
CT
Win-Test
MixW
GenLog
UcxLog
RA9JB
LM
zLog
NA
RCKLog

2007

434
409
142
137
134
86
69
42
42
21
20
18
16
13
9



N1MM
SDI by EI5DI
Writelog
Win-Test
AATest
TR Log
CT
MixW
UcxLog
RCKLog
LM
CONTEST
GenLog
zlog
Lux-Log

2008

503
358
170
120
104
65
51
47
46
39
37
32
32
19
14



N1MM
SDI by EI5DI
Win-Test
AATest
WriteLog
UcxLog
TR Log
CT
LM
MixW
QARTest
GenLog
TR4W
RCKLog
HR Deluxe

2009

569
312
218
108
97
94
90
46
34
30
29
28
16
13
12



N1MM
SDI by EI5DI
Win-Test
AATest
UcxLog
WriteLog
TR4W
QARTest
LM
CT
TR Log
RCKLog
zlistw
MixW
GenLog