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 |
| CW1295 | 26 | 27 | 28 | 31 | 30 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW2258 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 26 | 28 | 21 | 12 | 17 | 16 | 29 | 31 | 30 | 31 | 29 | 19 | 31 | 28 | 31 | 30 |
| CW3169 | 31 | 23 | 31 | 31 | 30 | 31 | 27 | 30 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW3227 | 31 | 23 | 30 | 31 | 17 | 0 | 0 | 0 | 0 | 0 | 22 | 26 | 31 | 30 | 26 | 31 | 23 | 26 | 14 | 30 | 23 | 27 | 31 | 20 |
| CW3621 | 17 | 0 | 10 | 24 | 14 | 19 | 30 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 31 | 30 | 29 | 30 | 30 | 31 | 29 | 20 | 27 |
| CW4294 | 31 | 21 | 31 | 30 | 30 | 31 | 30 | 30 | 31 | 28 | 27 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 31 | 29 | 31 | 29 |
| CW4668 | 31 | 30 | 20 | 11 | 30 | 30 | 28 | 24 | 17 | 25 | 30 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 27 |
| CW5180 | 31 | 27 | 28 | 31 | 30 | 31 | 30 | 29 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 26 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW5257 | 25 | 27 | 31 | 21 | 30 | 30 | 30 | 29 | 28 | 28 | 29 | 30 | 29 | 27 | 28 | 31 | 29 | 25 | 18 | 14 | 26 | 29 | 30 | 10 |
| CW5591 | 31 | 30 | 29 | 24 | 15 | 2 | 7 | 31 | 14 | 25 | 18 | 15 | 31 | 29 | 31 | 29 | 25 | 13 | 6 | 10 | 6 | 0 | 0 | 0 |
| CW5938 | 7 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 24 | 28 | 28 | 27 | 31 | 30 | 31 | 31 | 17 | 20 | 12 | 27 | 28 | 12 | 27 | 30 |
| CW6081 | 0 | 2 | 30 | 31 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 26 | 31 | 30 | 30 | 30 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW6213 | 0 | 0 | 16 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 25 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW6862 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 31 | 23 | 26 | 29 | 30 | 31 | 27 | 25 | 31 | 29 | 29 | 30 | 31 | 31 | 29 | 30 | 14 |
| CW7833 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 21 | 30 | 21 | 26 | 6 | 0 | 17 | 16 | 4 | 13 | 19 | 9 |
| CW7881 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW8273 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 31 | 31 | 29 | 30 | 30 | 31 | 31 | 28 | 0 | 2 |
| CW8506 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| CW9275 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 29 | 29 | 30 | 28 |
| CW9659 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 29 | 31 | 30 |
| CW9717 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 29 | 29 | 27 |
| CW9746 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 29 | 31 | 30 |
| CW9792 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 29 | 28 | 8 |
| K4BHR-4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 29 | 31 | 29 |
| K4BRI | 27 | 27 | 31 | 24 | 22 | 25 | 16 | 26 | 27 | 14 | 29 | 10 | 0 | 0 | 0 | 0 | 20 | 17 | 17 | 25 | 6 | 3 | 18 | 20 |
| KA4TEV-1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 31 | 30 | 31 | 31 | 30 | 12 | 0 | 0 | 0 | 0 | 0 | 12 |
| KD4PYR | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 28 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| KD4SN | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 29 | 28 | 31 | 29 | 31 | 30 | 31 | 31 | 30 | 21 | 29 | 31 | 29 | 28 | 31 | 30 |
| KE4AIE | 31 | 29 | 31 | 31 | 30 | 27 | 30 | 29 | 29 | 27 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 28 | 30 | 31 | 31 | 25 | 29 | 19 |
| KF4ERV-4 | 31 | 29 | 31 | 31 | 26 | 31 | 29 | 31 | 31 | 27 | 28 | 30 | 31 | 30 | 31 | 27 | 26 | 31 | 30 | 31 | 30 | 26 | 31 | 28 |
| KF4ZUX-4 | 30 | 30 | 31 | 31 | 30 | 31 | 27 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 |
| KG4CKR | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 26 | 28 | 12 | 30 | 29 | 26 | 28 | 30 | 29 | 29 | 24 | 31 | 31 | 26 | 30 | 29 |
| KG4LKY-5 | 31 | 30 | 31 | 14 | 19 | 29 | 30 | 31 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 28 | 26 | 29 | 29 | 29 | 31 | 28 | 26 | 13 |
| KJ4W | 29 | 21 | 23 | 0 | 1 | 24 | 30 | 31 | 31 | 27 | 31 | 30 | 29 | 30 | 31 | 31 | 26 | 31 | 24 | 31 | 31 | 29 | 31 | 30 |
| KY4KEN | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 30 |
| N4XI-9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 29 | 29 | 31 | 27 | 30 | 30 | 28 | 30 | 28 | 22 | 0 | 13 |
| N9QGS | 1 | 3 | 18 | 29 | 30 | 24 | 27 | 16 | 26 | 28 | 31 | 30 | 31 | 29 | 18 | 31 | 27 | 31 | 28 | 30 | 29 | 28 | 31 | 30 |
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