An active day is when any amount of data is received from that station.
| Identifier | 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 | May 08 |
| CW3036 | 30 | 31 | 12 | 30 | 31 | 30 | 31 | 25 | 28 | 30 | 30 | 28 | 30 | 30 | 31 | 30 | 29 | 27 | 31 | 31 | 29 | 30 | 12 | 4 |
| CW5822 | 30 | 31 | 31 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 19 | 26 | 30 | 29 |
| CW7057 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 28 | 24 | 29 | 30 | 31 | 15 | 30 | 31 | 25 | 24 | 15 | 31 | 31 | 29 | 29 | 28 | 28 |
| CW7313 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 27 | 31 | 28 | 31 | 29 | 31 | 21 | 30 | 30 | 30 | 26 | 29 | 28 | 31 | 27 | 30 |
| CW7465 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 28 | 31 | 30 | 31 | 15 | 31 | 28 | 29 | 31 | 30 | 27 | 31 | 26 | 26 | 26 | 28 |
| CW7494 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 31 | 30 | 31 | 30 | 31 | 29 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| CW7977 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 30 | 31 | 31 | 26 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| CW8040 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 14 |
| CW8081 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| CW8118 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 1 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
| CW8704 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| CW9333 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 30 | 9 | 4 | 0 | 0 |
| CW9535 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 29 | 31 | 30 | 31 |
| DW0139 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 30 | 18 |
| DW0215 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 30 | 31 |
| DW0350 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| DW0494 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 |
| SV0XAW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 24 | 1 | 0 |
| SV1CIF-2 | 0 | 8 | 4 | 0 | 29 | 30 | 31 | 31 | 28 | 31 | 30 | 30 | 30 | 25 | 29 | 30 | 31 | 30 | 31 | 31 | 28 | 27 | 10 | 21 |
| SV1EYY-2 | 0 | 0 | 0 | 0 | 8 | 30 | 31 | 31 | 28 | 30 | 20 | 20 | 21 | 21 | 23 | 26 | 10 | 2 | 0 | 17 | 27 | 19 | 30 | 29 |
| SV1LH-1 | 0 | 0 | 16 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| SV1UY-2 | 23 | 6 | 11 | 30 | 31 | 30 | 22 | 27 | 28 | 31 | 0 | 1 | 25 | 18 | 21 | 30 | 11 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| SV2BBO-2 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| SV2BNL-2 | 30 | 31 | 31 | 30 | 31 | 30 | 27 | 17 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| SV2BZQ-2 | 0 | 0 | 0 | 0 | 24 | 30 | 31 | 25 | 28 | 31 | 30 | 28 | 30 | 30 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| SV2BZQ-3 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 23 | 31 | 30 | 31 |
| SV2CPH-2 | 30 | 31 | 31 | 29 | 31 | 30 | 21 | 30 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 3 | 29 |
| SV2ESB-2 | 30 | 31 | 30 | 30 | 31 | 29 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 27 | 30 | 21 |
| SV3AQN-2 | 30 | 28 | 31 | 30 | 30 | 28 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 25 | 21 | 30 | 31 | 30 | 31 | 30 | 25 | 18 | 28 | 31 |
| SV3BEF-2 | 30 | 30 | 31 | 27 | 30 | 29 | 31 | 31 | 28 | 28 | 30 | 30 | 27 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 29 | 30 |
| SV3BEF-4 | 30 | 31 | 31 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| SV4BHA-2 | 9 | 11 | 6 | 16 | 18 | 9 | 9 | 9 | 8 | 9 | 12 | 8 | 2 | 3 | 0 | 0 | 0 | 0 | 2 | 15 | 29 | 5 | 17 | 0 |
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