| Station | mar-aug '04 | nov '05 | ||
|---|---|---|---|---|
| Stampede Pass, WA (KSMP) | n/a | n/a | F12 | F24 |
| Snoqualmie Pass, WA (SNO30) | n/a | n/a | F12 | F24 |
| Tatoosh Is., WA (TTIW1) | F12 | F24 | F12 | F24 |
| Neah Bay Buoy, WA (46087) | F12 | F24 | F12 | F24 |
| Pacific Beach, WA (PCBCH) | F12 | F24 | F12 | F24 |
| Boeing Field, WA (KBFI) | F12 | F24 | F12 | F24 |
| Spokane, WA (KGEG) | F12 | F24 | F12 | F24 |
| Yakima, WA (KYKM) | F12 | F24 | F12 | F24 |
| Missoula, MT (KMSO) | F12 | F24 | F12 | F24 |
| Portland, OR (KPDX) | F12 | F24 | F12 | F24 |
| Salt Lake City, UT (KSLC) | F12 | F24 | F12 | F24 |
| Crescent City, CA (KCEC) | F12 | F24 | F12 | F24 |