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 |
| DW2281 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW4604 | 8 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 29 | 30 | 31 | 28 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 25 | 31 | 30 | 31 | 31 |
| DW4666 | 0 | 27 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW4771 | 0 | 14 | 30 | 31 | 30 | 29 | 29 | 30 | 30 | 29 | 30 | 31 | 28 | 29 | 30 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 31 |
| DW4815 | 0 | 5 | 30 | 24 | 19 | 17 | 24 | 27 | 31 | 28 | 31 | 31 | 27 | 31 | 30 | 29 | 28 | 14 | 29 | 22 | 26 | 29 | 25 | 30 |
| DW5183 | 0 | 0 | 0 | 0 | 25 | 9 | 0 | 0 | 0 | 24 | 31 | 31 | 28 | 31 | 29 | 30 | 1 | 11 | 9 | 3 | 5 | 1 | 0 | 0 |
| DW5875 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 27 | 30 | 30 | 6 | 22 | 23 | 30 | 31 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW6834 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 28 | 25 | 26 | 29 | 30 | 31 | 31 | 20 | 0 | 0 | 4 | 16 |
| DW7341 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 25 | 20 | 17 | 11 | 22 | 30 | 1 | 16 | 31 | 31 |
| DW7901 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 30 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW8078 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 31 | 30 | 31 | 30 | 31 | 31 |
| SP3VKM-10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 31 | 31 | 30 | 30 | 30 | 31 | 23 |
| SP4WRZ | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 25 | 30 | 24 | 31 | 30 | 31 | 30 |
| SP6VWX | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SP8NFE | 24 | 31 | 30 | 31 | 11 | 5 | 0 | 0 | 22 | 24 | 10 | 20 | 15 | 31 | 30 | 31 | 3 | 0 | 0 | 7 | 29 | 22 | 31 | 0 |
| SQ2FRG-1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SQ3FYK | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 27 | 31 | 30 | 27 | 27 | 29 | 31 | 30 | 31 | 16 | 15 | 21 |
| SQ5BLK-2 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| SQ5DCP-1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SQ5LTL-1 | 24 | 13 | 30 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SQ5MRF-2 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 26 | 31 | 30 | 31 | 30 | 31 | 31 |
| SQ6JNY | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 30 | 27 | 31 | 30 | 27 | 27 | 29 | 31 | 30 | 16 | 30 | 31 | 31 |
| SQ8GBG-4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SQ9EZH-13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SR1WXZ | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 29 | 31 | 30 | 31 | 31 |
| SR3DGT | 28 | 31 | 30 | 2 | 30 | 30 | 31 | 30 | 25 | 30 | 22 | 6 | 8 | 31 | 30 | 31 | 30 | 29 | 22 | 21 | 31 | 30 | 31 | 28 |
| SR3WXA | 28 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 26 | 21 | 22 | 31 | 30 | 31 | 31 |
| SR7WXC | 24 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| SR7WXD | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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