An active day is when any amount of data is received from that station.
| Identifier | Feb 10 | Mar 10 | Apr 10 | May 10 | Jun 10 | Jul 10 | Aug 10 | Sep 10 | Oct 10 | Nov 10 | Dec 10 | Jan 11 | Feb 11 | Mar 11 | Apr 11 | May 11 | Jun 11 | Jul 11 | Aug 11 | Sep 11 | Oct 11 | Nov 11 | Dec 11 | Jan 12 |
| CW2548 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 30 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 | 31 |
| CW6111 | 28 | 31 | 30 | 19 | 30 | 31 | 31 | 30 | 31 | 26 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 19 | 31 | 30 | 28 | 30 | 31 | 31 |
| CW6245 | 17 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 27 | 31 | 30 | 31 | 30 | 17 | 25 |
| CW6691 | 26 | 28 | 30 | 31 | 30 | 13 | 0 | 4 | 31 | 19 | 31 | 31 | 28 | 31 | 30 | 31 | 29 | 13 | 0 | 10 | 31 | 30 | 31 | 31 |
| CW7351 | 24 | 17 | 21 | 29 | 15 | 26 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 30 | 18 | 0 | 0 | 0 | 0 |
| CW7701 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 24 | 31 | 28 | 30 | 30 | 31 | 30 | 30 | 30 | 30 | 31 | 30 | 31 | 31 |
| CW8109 | 0 | 3 | 15 | 27 | 2 | 9 | 24 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 24 | 26 | 31 | 30 | 31 | 27 | 31 | 31 |
| CW9464 | 28 | 31 | 30 | 31 | 30 | 31 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 30 | 31 | 12 | 1 | 0 | 0 | 31 | 30 | 31 | 31 |
| DW0029 | 28 | 30 | 30 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 28 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW0513 | 28 | 31 | 30 | 31 | 29 | 31 | 31 | 27 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW0914 | 11 | 28 | 27 | 30 | 29 | 20 | 22 | 22 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW1807 | 28 | 31 | 26 | 1 | 0 | 0 | 25 | 24 | 28 | 25 | 22 | 29 | 27 | 28 | 27 | 29 | 28 | 30 | 28 | 28 | 18 | 26 | 29 | 17 |
| DW3338 | 27 | 31 | 30 | 31 | 24 | 31 | 31 | 25 | 31 | 21 | 28 | 11 | 22 | 20 | 30 | 29 | 30 | 30 | 29 | 30 | 31 | 30 | 31 | 31 |
| DW3459 | 0 | 0 | 0 | 0 | 8 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 25 | 30 | 30 | 23 | 30 | 28 | 31 | 18 | 14 | 15 | 26 | 21 |
| DW4365 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW5426 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 4 | 0 | 0 | 1 | 2 | 1 | 2 | 1 | 6 | 6 | 4 | 8 | 3 | 0 | 0 | 0 | 1 |
| DW5450 | 0 | 0 | 0 | 0 | 0 | 13 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW5511 | 0 | 0 | 0 | 0 | 0 | 8 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 29 | 29 | 28 | 27 | 31 | 26 | 31 | 31 |
| DW5525 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 29 | 24 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW5587 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 30 | 31 | 30 | 31 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 28 | 25 | 23 | 27 | 28 | 4 |
| DW5685 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 30 | 31 | 26 | 31 | 25 | 24 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW5801 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 31 | 30 | 31 | 31 | 7 | 15 | 29 | 28 | 29 | 30 | 11 | 29 | 31 | 30 | 31 | 31 |
| DW5934 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 30 | 31 | 30 | 28 | 31 | 30 | 31 | 23 | 26 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW6032 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 30 | 8 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 1 | 23 | 31 |
| DW6244 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 31 | 19 | 30 | 16 | 20 | 30 | 31 | 25 | 30 | 31 | 30 | 31 | 31 |
| DW6250 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 18 | 22 | 28 | 31 | 27 | 31 | 30 | 31 | 24 | 30 | 31 | 30 | 31 | 31 |
| DW6275 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 23 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 31 |
| DW6450 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW7392 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27 | 31 | 26 | 31 | 31 | 30 | 31 | 22 | 30 | 26 |
| DW7951 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW7974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 31 | 21 | 26 | 0 | 0 | 0 |
| DW8436 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 31 | 30 | 31 | 29 |
| DW8674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| DW8701 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 30 |
| DW9080 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 24 |
| DW9331 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 |
| XE1KK | 28 | 31 | 22 | 21 | 25 | 31 | 26 | 29 | 31 | 11 | 31 | 31 | 28 | 31 | 26 | 31 | 30 | 28 | 31 | 30 | 30 | 19 | 28 | 31 |
| XE1ZVO-5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| XE2LTH | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 31 | 31 |
| XE2NS-3 | 28 | 31 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| XE2WR-3 | 15 | 14 | 14 | 15 | 28 | 31 | 30 | 23 | 28 | 24 | 29 | 31 | 28 | 31 | 29 | 30 | 30 | 1 | 0 | 0 | 0 | 5 | 31 | 30 |
| XE2YOM | 28 | 29 | 29 | 26 | 27 | 31 | 30 | 29 | 23 | 20 | 21 | 23 | 25 | 23 | 6 | 14 | 14 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
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