An active day is when any amount of data is received from that station.
| Identifier | Sep 08 | Oct 08 | Nov 08 | Dec 08 | Jan 09 | Feb 09 | Mar 09 | Apr 09 | May 09 | Jun 09 | Jul 09 | Aug 09 | Sep 09 | Oct 09 | Nov 09 | Dec 09 | Jan 10 | Feb 10 | Mar 10 | Apr 10 | May 10 | Jun 10 | Jul 10 | Aug 10 |
| CW0009 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 31 | 24 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW0949 | 30 | 31 | 27 | 31 | 31 | 28 | 26 | 24 | 14 | 17 | 31 | 31 | 25 | 29 | 30 | 31 | 31 | 28 | 31 | 23 | 21 | 18 | 31 | 31 |
| CW1278 | 30 | 31 | 30 | 31 | 26 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 31 | 29 | 28 | 31 | 30 | 31 | 29 | 31 | 31 |
| CW1675 | 30 | 28 | 28 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW1923 | 28 | 31 | 30 | 31 | 31 | 23 | 29 | 30 | 31 | 30 | 10 | 0 | 0 | 0 | 0 | 0 | 13 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW3001 | 30 | 31 | 30 | 25 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 25 | 7 | 15 | 23 | 14 | 27 | 24 | 31 | 30 | 31 | 15 |
| CW3114 | 30 | 27 | 30 | 31 | 31 | 28 | 31 | 30 | 27 | 26 | 25 | 5 | 28 | 31 | 28 | 28 | 0 | 18 | 13 | 11 | 28 | 2 | 31 | 27 |
| CW4799 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 29 | 29 | 28 | 31 | 30 | 31 | 14 | 30 | 31 |
| CW5927 | 30 | 31 | 21 | 16 | 27 | 28 | 31 | 21 | 31 | 30 | 28 | 31 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW6809 | 30 | 27 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW8546 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 22 |
| CW8784 | 30 | 26 | 30 | 31 | 31 | 26 | 30 | 30 | 31 | 28 | 31 | 31 | 24 | 31 | 30 | 31 | 31 | 5 | 0 | 0 | 0 | 0 | 6 | 31 |
| DW0152 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW0198 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW1833 | 0 | 0 | 0 | 24 | 31 | 28 | 31 | 29 | 28 | 26 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW3174 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW3893 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 31 | 31 | 28 | 31 | 30 | 31 | 27 | 28 | 30 |
| DW3911 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 29 | 24 | 23 | 30 | 31 | 23 | 28 | 31 |
| DW4253 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 28 | 31 | 19 | 31 | 30 | 24 | 28 |
| DW4418 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW5056 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 26 | 21 | 26 |
| DW5301 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 31 | 30 |
| LX2JV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ON3BJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ON4BDW | 0 | 0 | 6 | 17 | 12 | 28 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 11 | 13 | 31 | 25 | 20 | 12 | 31 | 30 | 31 | 31 |
| ON4LFE-6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 30 | 31 | 31 |
| ON4VDV-5 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| ON5GQ-5 | 4 | 5 | 2 | 8 | 10 | 3 | 1 | 7 | 21 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ON7BE-5 | 30 | 31 | 0 | 19 | 30 | 28 | 31 | 29 | 30 | 30 | 20 | 1 | 16 | 31 | 0 | 27 | 31 | 28 | 31 | 30 | 25 | 30 | 30 | 31 |
| ON7BL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ON7DKE | 30 | 31 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| ON7EQ-5 | 30 | 31 | 30 | 30 | 31 | 28 | 31 | 29 | 31 | 28 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| ON7HN | 0 | 20 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| ON7SD-5 | 27 | 27 | 29 | 18 | 16 | 24 | 28 | 30 | 21 | 25 | 28 | 28 | 30 | 28 | 20 | 12 | 12 | 13 | 31 | 30 | 29 | 20 | 28 | 15 |
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