http://www.aprsworld.net has been crawled 148 times going all the way back to October 16, 2002.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
Jan
1
2
3
4
5
6
7
8
9
10
11
12

January 13, 2012

1 snapshot

13

January 14, 2012

1 snapshot

14
15
16

January 17, 2012

1 snapshot

17
18

January 19, 2012

1 snapshot

19
20
21
22
23
24
25
26
27
28
29
30
31
Feb
1
2
3
4
5
6
7
8
9
10
11
12
13
14

February 15, 2012

1 snapshot

15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Mar

March 1, 2012

1 snapshot

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

March 17, 2012

1 snapshot

17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Apr
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

April 17, 2012

1 snapshot

17
18
19
20
21
22
23
24
25
26
27
28
29
30
May
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Jun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Jul
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Aug
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Sep
1
2

September 3, 2012

1 snapshot

3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Oct
1
2
3
4
5
6
7
8
9
10
11
12
13

October 14, 2012

1 snapshot

14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Nov
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Note

This calendar view maps the number of times http://www.aprsworld.net was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.