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 |
| CW0440 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 28 | 31 | 29 | 31 | 30 | 31 | 31 |
| CW1219 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 | 30 | 27 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW1235 | 30 | 31 | 28 | 31 | 31 | 28 | 31 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW1490 | 30 | 28 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 29 | 31 | 30 | 31 | 31 |
| CW2467 | 30 | 19 | 16 | 31 | 31 | 28 | 27 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW4210 | 30 | 28 | 30 | 31 | 31 | 28 | 31 | 30 | 24 | 30 | 31 | 31 | 28 | 28 | 29 | 16 | 30 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW4269 | 30 | 31 | 30 | 31 | 31 | 28 | 6 | 0 | 0 | 4 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 26 | 22 | 0 | 0 |
| CW5391 | 30 | 31 | 24 | 31 | 31 | 28 | 28 | 30 | 31 | 30 | 31 | 24 | 30 | 29 | 13 | 2 | 3 | 4 | 5 | 0 | 0 | 0 | 0 | 0 |
| CW6904 | 13 | 29 | 29 | 28 | 26 | 19 | 28 | 29 | 15 | 17 | 31 | 21 | 30 | 29 | 25 | 31 | 29 | 23 | 29 | 28 | 31 | 19 | 18 | 3 |
| CW7047 | 30 | 31 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 25 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW7891 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 24 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 |
| CW8484 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW8637 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW8816 | 27 | 31 | 30 | 27 | 31 | 25 | 31 | 30 | 31 | 27 | 28 | 28 | 30 | 31 | 30 | 29 | 27 | 28 | 30 | 29 | 25 | 26 | 1 | 0 |
| CW9144 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW0383 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW0648 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 28 | 31 |
| DW1124 | 24 | 27 | 29 | 31 | 30 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW1146 | 30 | 27 | 30 | 31 | 31 | 28 | 31 | 30 | 26 | 30 | 31 | 26 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW1213 | 0 | 0 | 0 | 13 | 31 | 28 | 31 | 23 | 28 | 30 | 30 | 31 | 30 | 31 | 30 | 31 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW1556 | 0 | 13 | 30 | 30 | 30 | 27 | 29 | 28 | 31 | 21 | 30 | 28 | 30 | 28 | 26 | 29 | 30 | 28 | 31 | 30 | 31 | 30 | 24 | 29 |
| DW2320 | 0 | 0 | 0 | 0 | 0 | 21 | 31 | 30 | 31 | 25 | 31 | 31 | 16 | 31 | 11 | 20 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW2416 | 0 | 0 | 0 | 0 | 0 | 6 | 31 | 30 | 31 | 29 | 30 | 28 | 30 | 31 | 30 | 30 | 27 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW2920 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 30 | 31 | 24 | 27 | 31 | 30 | 25 | 9 | 28 | 31 | 30 | 31 | 30 | 30 | 30 |
| DW3062 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 25 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 | 31 | 31 |
| DW3212 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 22 | 24 | 31 | 20 | 31 | 29 | 21 | 29 | 26 | 28 | 30 | 31 | 31 |
| DW3318 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 30 | 30 | 30 | 31 | 31 | 28 | 31 | 30 | 30 | 27 | 30 | 31 |
| DW3365 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW4326 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 28 | 31 | 30 | 31 | 30 | 30 | 31 |
| DW4497 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW4518 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW4533 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 24 | 30 | 31 | 30 | 31 | 31 |
| DW5376 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 31 |
| DW5378 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 27 |
| KE1FO | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| N1BRT | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| N1PGS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 31 | 30 | 21 | 30 | 31 | 23 |
| W1EQX-1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 30 | 31 | 30 | 31 | 28 |
| W1ZCJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| WA1LIE | 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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