An active day is when any amount of data is received from that station.
| Identifier | May 06 | Jun 06 | Jul 06 | Aug 06 | Sep 06 | Oct 06 | Nov 06 | Dec 06 | Jan 07 | Feb 07 | Mar 07 | Apr 07 | May 07 | Jun 07 | Jul 07 | Aug 07 | Sep 07 | Oct 07 | Nov 07 | Dec 07 | Jan 08 | Feb 08 | Mar 08 | Apr 08 |
| AE4BP-4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 30 | 30 | 31 | 30 | 31 | 30 | 31 | 23 | 27 | 15 | 11 |
| AF4NQ | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 27 | 20 | 26 | 24 | 30 | 24 | 13 | 3 | 27 | 18 | 16 | 12 | 25 | 1 | 0 | 0 | 0 |
| CW0757 | 31 | 30 | 31 | 31 | 18 | 31 | 29 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW1744 | 0 | 25 | 31 | 31 | 30 | 31 | 28 | 31 | 30 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 29 | 31 | 30 |
| CW2055 | 24 | 7 | 0 | 0 | 29 | 30 | 30 | 31 | 30 | 28 | 30 | 30 | 31 | 29 | 31 | 31 | 25 | 30 | 30 | 29 | 31 | 27 | 31 | 13 |
| CW2391 | 31 | 28 | 24 | 31 | 30 | 31 | 24 | 31 | 31 | 26 | 26 | 30 | 25 | 29 | 30 | 31 | 29 | 30 | 30 | 29 | 31 | 29 | 31 | 29 |
| CW2470 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 30 | 27 | 21 | 27 | 31 | 30 | 14 | 28 | 31 | 31 | 29 | 31 | 29 |
| CW2583 | 31 | 30 | 25 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 24 | 31 | 29 | 31 | 30 |
| CW3097 | 31 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 28 | 28 | 30 | 25 | 28 | 31 | 31 | 30 | 29 | 30 | 31 | 31 | 26 | 28 | 11 |
| CW3282 | 29 | 25 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 28 | 28 | 30 | 31 | 28 | 31 | 29 | 26 | 29 | 30 | 1 | 0 | 0 | 0 | 0 |
| CW3462 | 31 | 30 | 31 | 29 | 30 | 31 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 21 | 29 | 27 | 26 | 26 | 19 | 25 | 26 |
| CW3484 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW3639 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 28 | 28 | 28 | 30 | 31 | 30 | 25 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW3655 | 30 | 30 | 31 | 31 | 6 | 26 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 29 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW3776 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 28 | 31 | 30 | 31 | 30 | 0 | 3 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW3975 | 0 | 3 | 0 | 2 | 26 | 22 | 0 | 27 | 31 | 28 | 31 | 23 | 31 | 30 | 22 | 1 | 4 | 4 | 0 | 3 | 0 | 0 | 0 | 0 |
| CW4149 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 27 | 30 | 19 | 31 | 29 | 31 | 30 |
| CW4189 | 30 | 30 | 31 | 31 | 30 | 31 | 28 | 31 | 31 | 27 | 30 | 26 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 27 | 27 | 29 | 31 | 30 |
| CW4505 | 0 | 0 | 24 | 31 | 30 | 30 | 28 | 0 | 0 | 0 | 0 | 0 | 14 | 10 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 0 | 7 |
| CW4589 | 31 | 28 | 31 | 31 | 30 | 31 | 30 | 28 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW4645 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 29 | 31 | 28 | 29 | 30 | 27 | 29 | 30 | 31 | 27 | 29 | 30 | 31 | 31 | 29 | 31 | 11 |
| CW4805 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 30 | 31 | 28 | 29 | 30 | 31 | 30 | 31 | 31 | 30 | 28 | 30 | 31 | 31 | 29 | 30 | 30 |
| CW4872 | 4 | 30 | 29 | 30 | 28 | 31 | 29 | 29 | 25 | 21 | 29 | 28 | 25 | 27 | 30 | 31 | 29 | 28 | 28 | 31 | 30 | 25 | 31 | 30 |
| CW4925 | 27 | 30 | 31 | 31 | 30 | 31 | 30 | 21 | 25 | 19 | 17 | 30 | 28 | 15 | 29 | 30 | 30 | 27 | 4 | 3 | 0 | 14 | 31 | 30 |
| CW5471 | 30 | 30 | 31 | 28 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW6005 | 0 | 0 | 2 | 25 | 21 | 27 | 1 | 14 | 29 | 28 | 28 | 28 | 31 | 23 | 25 | 22 | 30 | 29 | 29 | 27 | 29 | 28 | 24 | 30 |
| CW6069 | 0 | 3 | 1 | 6 | 4 | 1 | 4 | 4 | 2 | 7 | 7 | 6 | 3 | 1 | 12 | 5 | 0 | 8 | 4 | 4 | 1 | 0 | 1 | 0 |
| CW6106 | 0 | 9 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 29 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 |
| CW6311 | 0 | 0 | 0 | 16 | 28 | 31 | 30 | 30 | 27 | 28 | 28 | 30 | 30 | 30 | 31 | 31 | 30 | 26 | 30 | 31 | 28 | 29 | 31 | 28 |
| CW6500 | 0 | 0 | 0 | 0 | 0 | 9 | 28 | 31 | 20 | 13 | 26 | 28 | 25 | 24 | 26 | 24 | 28 | 12 | 30 | 24 | 25 | 19 | 19 | 29 |
| CW6687 | 0 | 0 | 0 | 0 | 0 | 16 | 30 | 27 | 30 | 26 | 29 | 27 | 25 | 16 | 21 | 14 | 11 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW6689 | 0 | 0 | 0 | 0 | 0 | 14 | 30 | 26 | 29 | 28 | 28 | 29 | 24 | 30 | 31 | 30 | 30 | 31 | 27 | 31 | 31 | 29 | 31 | 28 |
| CW7114 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 28 | 27 | 29 | 31 | 27 | 28 | 29 | 24 | 31 | 29 | 29 | 31 | 28 | 30 | 29 |
| CW7116 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 30 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 28 | 30 | 31 | 20 | 13 | 24 | 13 |
| CW7235 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 28 | 29 | 31 | 30 |
| CW7244 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 27 | 31 | 30 | 27 | 30 | 21 | 20 | 23 | 23 | 30 | 31 | 29 | 29 | 31 | 30 |
| CW7633 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 30 | 30 | 31 | 31 | 29 | 29 | 30 |
| CW7667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 26 | 31 | 31 | 29 | 31 | 30 |
| CW7772 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 13 | 18 | 13 | 14 | 6 | 10 | 10 | 10 | 26 | 25 | 23 | 18 |
| CW7845 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 16 | 28 | 29 | 31 | 22 |
| CW8228 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 30 | 23 | 15 | 21 | 24 | 21 | 22 | 21 | 5 | 0 |
| CW8363 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 30 | 30 |
| CW9104 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 31 | 31 | 29 | 31 | 30 |
| CW9117 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 31 | 31 | 29 | 6 | 20 |
| CW9121 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 31 | 6 | 0 | 21 | 30 |
| CW9219 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 20 | 17 | 13 | 15 |
| CW9246 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 1 | 0 | 0 |
| CW9298 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 31 | 27 | 31 | 30 |
| CW9949 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 30 | 30 |
| DW0133 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 30 |
| DW0323 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 |
| K4CCC-9 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| K4XP | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 30 | 29 | 28 | 29 | 30 | 29 | 29 | 31 | 31 | 30 | 29 | 30 | 31 | 31 | 29 | 30 | 11 |
| KD4SFD | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 30 | 29 | 31 | 30 |
| KD4VH | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| KE4QPN | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 4 | 29 | 31 | 30 |
| KG4HLW-1 | 26 | 30 | 18 | 18 | 17 | 21 | 30 | 31 | 21 | 25 | 28 | 30 | 31 | 30 | 28 | 31 | 30 | 31 | 29 | 31 | 7 | 0 | 0 | 0 |
| KG4POE | 0 | 0 | 0 | 0 | 0 | 20 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 19 | 21 | 30 | 31 | 24 | 29 | 27 | 29 |
| KG4TXZ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 24 | 31 | 30 | 30 | 30 | 31 | 31 | 29 | 31 | 30 |
| KS4XQ | 22 | 0 | 0 | 20 | 30 | 27 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 14 | 5 | 20 | 31 | 31 | 29 | 31 | 30 |
| KX4DOR-11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 31 | 25 | 22 | 0 | 0 | 0 | 30 | 25 | 31 | 2 | 0 | 0 |
| N2XD | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 31 | 31 | 29 | 15 | 29 |
| N4JVU | 28 | 26 | 28 | 29 | 15 | 24 | 30 | 31 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 26 | 31 | 30 | 31 | 31 | 29 | 31 | 13 |
| N4ZOI | 31 | 30 | 31 | 31 | 30 | 6 | 28 | 24 | 29 | 28 | 29 | 29 | 29 | 29 | 31 | 31 | 30 | 26 | 30 | 31 | 31 | 29 | 31 | 11 |
| N5CWH | 22 | 27 | 19 | 28 | 20 | 31 | 30 | 31 | 19 | 25 | 31 | 30 | 31 | 30 | 28 | 31 | 30 | 31 | 30 | 15 | 21 | 29 | 30 | 30 |
| NO4D | 1 | 0 | 0 | 0 | 18 | 31 | 30 | 31 | 31 | 28 | 29 | 30 | 29 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 28 | 28 | 28 | 30 |
| W4HNK-11 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 26 | 31 | 30 | 31 | 30 | 31 | 31 | 20 | 12 | 30 | 31 | 25 | 0 | 0 | 0 |
| W4OSC | 30 | 29 | 27 | 31 | 30 | 31 | 27 | 30 | 28 | 28 | 30 | 21 | 30 | 29 | 28 | 27 | 30 | 31 | 18 | 30 | 31 | 29 | 31 | 14 |
| WA4USN-3 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| WX4BB-1 | 31 | 27 | 20 | 31 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 14 | 18 | 24 | 29 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
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