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 |
| CW2628 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 25 | 30 | 31 | 30 | 31 | 31 |
| CW4594 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 10 | 23 | 31 | 30 | 31 | 31 |
| CW5892 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DO1MSR-3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW0051 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW0598 | 28 | 30 | 16 | 31 | 30 | 22 | 27 | 30 | 31 | 30 | 31 | 31 | 17 | 8 | 0 | 6 | 30 | 27 | 22 | 30 | 31 | 25 | 0 | 0 |
| DW1083 | 28 | 31 | 30 | 31 | 25 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW1924 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW2087 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW2619 | 0 | 7 | 30 | 31 | 25 | 19 | 31 | 28 | 26 | 28 | 29 | 30 | 28 | 28 | 26 | 31 | 24 | 31 | 26 | 24 | 31 | 30 | 31 | 31 |
| DW3021 | 11 | 0 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 30 | 26 | 26 | 24 | 24 |
| DW3163 | 28 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 29 | 26 | 22 | 31 | 30 | 31 | 29 | 31 | 30 | 30 | 31 | 30 | 31 | 30 |
| DW3361 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW3857 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW4277 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 23 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW5184 | 0 | 0 | 0 | 0 | 7 | 2 | 2 | 2 | 2 | 7 | 17 | 23 | 16 | 6 | 3 | 5 | 8 | 3 | 2 | 2 | 3 | 1 | 8 | 13 |
| DW5201 | 0 | 0 | 0 | 0 | 0 | 15 | 9 | 5 | 3 | 22 | 26 | 31 | 28 | 31 | 30 | 30 | 30 | 21 | 19 | 30 | 21 | 23 | 25 | 14 |
| DW5225 | 0 | 0 | 0 | 0 | 20 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 28 | 30 | 31 | 31 |
| DW5561 | 0 | 0 | 0 | 0 | 0 | 2 | 31 | 30 | 30 | 29 | 27 | 30 | 27 | 29 | 30 | 31 | 29 | 30 | 19 | 16 | 22 | 28 | 25 | 31 |
| DW5755 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 19 | 0 | 0 | 18 | 30 | 31 | 30 | 31 | 31 |
| DW6179 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW6281 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 30 | 20 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW6356 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW7554 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW7614 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW7726 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 30 | 31 | 31 |
| DW8593 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 29 | 27 | 31 | 31 |
| DW8968 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 16 | 6 |
| DW9154 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 |
| OE1FFS-2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| OE1HTB | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 |
| OE1SSU-6 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 1 | 0 | 0 | 6 | 11 | 0 | 0 | 9 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| OE1VAA-4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 31 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 16 | 30 | 6 | 0 | 0 | 29 |
| OE3UKW | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 20 | 30 | 30 | 31 | 31 | 28 | 31 | 30 | 29 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| OE5HCE | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 29 | 29 | 27 | 28 | 28 |
| OE5XCL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 30 | 30 | 29 | 31 | 24 |
| OE6CUD-6 | 14 | 12 | 2 | 13 | 7 | 3 | 2 | 0 | 0 | 21 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| OE6XVR | 13 | 3 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 17 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 5 |
| OE7AAI | 24 | 14 | 1 | 1 | 3 | 1 | 17 | 30 | 31 | 7 | 21 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| OE9FWV | 24 | 18 | 28 | 31 | 28 | 26 | 13 | 30 | 31 | 30 | 31 | 29 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| OE9MHV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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