An active day is when any amount of data is received from that station.
| Identifier | Jul 07 | Aug 07 | Sep 07 | Oct 07 | Nov 07 | Dec 07 | Jan 08 | Feb 08 | Mar 08 | Apr 08 | May 08 | Jun 08 | Jul 08 | Aug 08 | Sep 08 | Oct 08 | Nov 08 | Dec 08 | Jan 09 | Feb 09 | Mar 09 | Apr 09 | May 09 | Jun 09 |
| CW1034 | 0 | 0 | 0 | 0 | 0 | 28 | 31 | 29 | 31 | 30 | 31 | 30 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW3619 | 31 | 31 | 30 | 31 | 27 | 31 | 27 | 3 | 29 | 25 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 25 | 30 | 30 | 30 |
| CW5455 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 28 | 29 | 31 | 26 | 31 | 30 | 31 | 29 |
| CW5978 | 30 | 31 | 21 | 20 | 30 | 31 | 31 | 29 | 31 | 29 | 25 | 26 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW6010 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| CW6329 | 31 | 31 | 30 | 31 | 27 | 31 | 31 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 |
| CW8378 | 20 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 30 | 30 | 19 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW0170 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 |
| DW0224 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW0499 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 31 | 31 | 27 | 10 | 30 | 31 | 30 | 28 | 31 | 30 | 30 | 30 |
| DW0924 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW0947 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 31 | 30 | 26 | 7 | 31 | 31 | 28 | 31 | 30 | 12 | 0 |
| DW0983 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 30 | 27 | 0 | 0 | 0 | 5 | 0 | 8 | 2 | 1 | 0 |
| DW1053 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 24 | 29 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 |
| DW1130 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 18 | 29 | 28 | 13 | 0 | 0 | 0 | 0 |
| DW1428 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 31 | 30 | 30 | 27 | 28 | 31 | 30 | 31 | 30 |
| DW1844 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27 | 28 | 31 | 30 | 31 | 30 |
| DW1950 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW2086 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 28 | 30 | 30 | 30 | 30 |
| DW2817 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 30 |
| HB9AS-8 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 29 | 31 | 30 | 31 | 7 | 18 | 31 | 30 | 31 | 23 | 27 | 31 | 30 | 31 | 30 |
| HB9BA-8 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| HB9DNU | 31 | 31 | 8 | 31 | 30 | 31 | 29 | 29 | 31 | 30 | 31 | 30 | 13 | 6 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| HB9KBJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 30 |
| HB9MCY-8 | 31 | 20 | 25 | 31 | 12 | 29 | 31 | 29 | 31 | 16 | 31 | 30 | 31 | 29 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| HB9MTL-8 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 30 | 30 | 30 | 31 | 30 | 31 | 31 | 20 | 31 | 28 | 31 | 30 |
| HB9MZI | 30 | 26 | 27 | 22 | 21 | 29 | 31 | 29 | 28 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 31 | 31 | 28 | 31 | 30 | 30 | 27 |
| HB9TJM-1 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 29 | 30 | 28 | 30 | 31 | 31 | 28 | 29 | 30 | 16 | 23 |
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