An active day is when any amount of data is received from that station.
| Identifier | 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 | Jul 09 | Aug 09 | Sep 09 | Oct 09 | Nov 09 | Dec 09 | Jan 10 | Feb 10 |
| AA1EO | 10 | 7 | 0 | 16 | 22 | 13 | 27 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 23 | 0 | 0 | 0 | 0 |
| CW0234 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 28 | 31 | 28 | 31 | 28 | 31 | 30 | 31 | 31 | 30 | 28 | 30 | 30 | 31 | 28 |
| CW0655 | 31 | 30 | 31 | 30 | 24 | 31 | 30 | 31 | 23 | 30 | 29 | 1 | 28 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| CW1064 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 27 | 27 | 31 | 31 | 26 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW1492 | 31 | 30 | 31 | 26 | 31 | 24 | 30 | 28 | 22 | 28 | 9 | 28 | 31 | 30 | 31 | 27 | 31 | 29 | 30 | 21 | 21 | 30 | 29 | 25 |
| CW1773 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 26 | 21 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| CW1984 | 31 | 27 | 28 | 29 | 31 | 31 | 30 | 31 | 30 | 27 | 31 | 28 | 31 | 30 | 31 | 18 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 26 |
| CW2827 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 24 | 23 | 24 | 31 | 29 | 31 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW3006 | 31 | 24 | 30 | 30 | 31 | 30 | 26 | 31 | 30 | 26 | 31 | 26 | 30 | 30 | 31 | 28 | 25 | 25 | 29 | 29 | 25 | 30 | 31 | 27 |
| CW4525 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| CW4970 | 31 | 23 | 28 | 30 | 30 | 31 | 30 | 31 | 30 | 22 | 31 | 20 | 29 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 11 | 25 | 27 | 22 |
| CW5443 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| CW5851 | 31 | 30 | 31 | 28 | 27 | 24 | 30 | 30 | 30 | 22 | 31 | 23 | 31 | 30 | 31 | 29 | 26 | 29 | 30 | 24 | 29 | 27 | 26 | 23 |
| CW6949 | 1 | 0 | 30 | 30 | 1 | 0 | 19 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 29 | 10 | 13 | 20 | 31 | 30 | 31 | 31 | 28 |
| CW7142 | 31 | 24 | 29 | 30 | 31 | 31 | 29 | 31 | 29 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 26 | 21 | 22 |
| CW7324 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| CW7438 | 31 | 28 | 30 | 30 | 31 | 30 | 27 | 19 | 20 | 26 | 29 | 24 | 23 | 29 | 15 | 26 | 27 | 27 | 28 | 27 | 25 | 27 | 25 | 14 |
| CW7637 | 25 | 30 | 31 | 30 | 19 | 0 | 0 | 0 | 0 | 7 | 27 | 19 | 31 | 20 | 29 | 30 | 8 | 28 | 0 | 7 | 18 | 7 | 19 | 11 |
| CW7678 | 21 | 30 | 29 | 1 | 0 | 0 | 0 | 24 | 30 | 28 | 31 | 28 | 30 | 17 | 0 | 0 | 0 | 0 | 0 | 4 | 26 | 23 | 28 | 24 |
| CW7730 | 0 | 4 | 15 | 16 | 16 | 27 | 12 | 22 | 28 | 16 | 5 | 24 | 14 | 11 | 11 | 23 | 28 | 25 | 7 | 15 | 26 | 28 | 25 | 16 |
| CW7877 | 29 | 30 | 27 | 30 | 25 | 13 | 27 | 31 | 10 | 5 | 11 | 6 | 7 | 9 | 6 | 4 | 20 | 18 | 5 | 0 | 0 | 0 | 0 | 0 |
| CW7895 | 31 | 30 | 31 | 30 | 29 | 30 | 29 | 30 | 30 | 29 | 31 | 24 | 31 | 30 | 31 | 30 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW8141 | 22 | 16 | 17 | 30 | 31 | 31 | 30 | 31 | 30 | 29 | 31 | 28 | 31 | 16 | 31 | 30 | 29 | 30 | 30 | 31 | 30 | 31 | 29 | 26 |
| CW8371 | 31 | 30 | 31 | 24 | 29 | 31 | 30 | 31 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| CW8418 | 29 | 28 | 31 | 30 | 19 | 9 | 30 | 31 | 30 | 26 | 30 | 27 | 31 | 30 | 28 | 28 | 30 | 28 | 28 | 31 | 30 | 31 | 31 | 24 |
| CW8669 | 31 | 25 | 29 | 30 | 31 | 31 | 30 | 31 | 25 | 24 | 31 | 28 | 31 | 12 | 10 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| CW8944 | 31 | 30 | 31 | 20 | 31 | 22 | 30 | 27 | 26 | 17 | 31 | 27 | 31 | 29 | 2 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 30 | 27 |
| CW9123 | 28 | 22 | 12 | 28 | 15 | 19 | 30 | 5 | 9 | 23 | 23 | 11 | 25 | 28 | 31 | 17 | 27 | 29 | 29 | 30 | 9 | 0 | 1 | 21 |
| CW9258 | 31 | 30 | 31 | 29 | 31 | 25 | 30 | 28 | 30 | 22 | 18 | 0 | 0 | 0 | 0 | 25 | 31 | 27 | 26 | 16 | 20 | 26 | 13 | 28 |
| CW9887 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 13 | 27 | 27 | 30 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 13 | 24 |
| DW0068 | 29 | 30 | 31 | 30 | 31 | 29 | 30 | 31 | 30 | 29 | 31 | 28 | 31 | 30 | 29 | 30 | 31 | 31 | 30 | 31 | 12 | 27 | 28 | 1 |
| DW0555 | 0 | 0 | 6 | 29 | 31 | 31 | 30 | 27 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| DW0980 | 0 | 0 | 0 | 0 | 9 | 31 | 30 | 31 | 29 | 30 | 31 | 28 | 31 | 30 | 29 | 29 | 28 | 30 | 27 | 23 | 29 | 25 | 31 | 27 |
| DW1133 | 0 | 0 | 0 | 0 | 0 | 18 | 30 | 31 | 30 | 29 | 30 | 28 | 31 | 30 | 31 | 30 | 24 | 30 | 25 | 31 | 30 | 31 | 18 | 0 |
| DW1770 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 26 |
| DW1831 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 18 | 3 | 27 | 11 | 18 | 30 | 31 | 31 | 29 | 31 | 3 | 0 | 0 | 24 |
| DW2250 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 29 | 27 | 24 | 28 | 23 | 9 | 13 | 0 | 0 |
| DW2324 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 |
| DW2513 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| DW2647 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW2935 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 30 | 31 | 30 | 31 | 31 | 28 |
| DW3105 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| DW3121 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 31 | 28 | 27 | 26 | 15 | 0 | 0 |
| DW3310 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 30 | 31 | 30 | 31 | 31 | 28 |
| DW3871 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 31 | 28 |
| DW4245 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 28 |
| K1ABC | 0 | 3 | 30 | 24 | 6 | 31 | 14 | 3 | 28 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| K1KKY | 31 | 30 | 31 | 26 | 23 | 31 | 30 | 31 | 30 | 30 | 29 | 27 | 3 | 9 | 15 | 30 | 25 | 11 | 8 | 0 | 7 | 18 | 13 | 28 |
| KA1GJU-3 | 17 | 25 | 28 | 30 | 31 | 27 | 6 | 17 | 8 | 0 | 11 | 28 | 31 | 27 | 31 | 29 | 31 | 31 | 30 | 31 | 27 | 17 | 23 | 26 |
| KA1GOZ | 0 | 0 | 0 | 5 | 23 | 31 | 30 | 31 | 28 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 27 | 30 | 30 | 31 | 31 | 28 |
| KA1MTM | 31 | 15 | 22 | 27 | 30 | 31 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 28 | 30 | 31 | 31 | 28 |
| KA1RVR | 23 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| KB1TX | 31 | 11 | 3 | 0 | 0 | 0 | 0 | 29 | 26 | 24 | 31 | 28 | 31 | 16 | 25 | 30 | 25 | 28 | 25 | 14 | 1 | 31 | 31 | 28 |
| KC1EO | 30 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| KC1FX | 31 | 30 | 31 | 30 | 31 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| N1EDU | 31 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 26 | 31 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 26 |
| N1EO | 31 | 30 | 31 | 30 | 19 | 21 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 31 | 25 |
| N1IIC-4 | 0 | 0 | 0 | 0 | 14 | 26 | 28 | 30 | 26 | 17 | 31 | 28 | 31 | 14 | 24 | 30 | 31 | 30 | 29 | 31 | 17 | 0 | 21 | 28 |
| N1MZX | 30 | 29 | 31 | 30 | 19 | 0 | 21 | 31 | 30 | 20 | 31 | 28 | 31 | 30 | 31 | 13 | 29 | 30 | 26 | 23 | 21 | 0 | 0 | 0 |
| N1NAZ-1 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 31 | 26 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| N1NLX | 31 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| N1NSI | 31 | 30 | 31 | 25 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| N1SKZ | 30 | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| N1ZGF | 30 | 28 | 26 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| W1HJF | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 17 | 24 | 30 | 16 | 21 | 31 | 21 | 13 |
| W1JAB | 31 | 25 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 28 | 30 | 29 | 31 | 21 | 25 |
| W1WSQ | 0 | 16 | 29 | 30 | 22 | 31 | 26 | 28 | 22 | 29 | 31 | 28 | 31 | 26 | 31 | 30 | 27 | 25 | 28 | 25 | 22 | 30 | 23 | 20 |
| WA1NHP | 29 | 25 | 31 | 25 | 31 | 31 | 30 | 31 | 23 | 26 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 |
| WB1AS | 31 | 12 | 4 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 23 |
| WK1P | 11 | 3 | 9 | 1 | 9 | 5 | 6 | 8 | 9 | 26 | 31 | 27 | 29 | 30 | 31 | 22 | 22 | 18 | 5 | 17 | 2 | 17 | 24 | 19 |
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