| Callsign | W7OS |
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| Radio Service | HV - Vanity |
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| License Status | A - Active |
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| Grant Date | 2026-10-02 |
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| Effective Date | 2026-10-02 |
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| Expire Date | 2036-11-04 |
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| Cancel Date | |
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| Last Action Date | 2026-10-02 |
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| End Date | 2036-11-04 |
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| Available Date | 2038-11-05 |
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| Applicant Type | B - Amateur Club |
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| Entity Name | DOCTOR CLIFFORD J SPIKE MEMORIAL MUSEUM |
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| Street Address / Locality | PO Box 11188
Tacoma, WA 98411 |
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| County | Pierce |
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| Zip Location | 47°15'10.4"N 122°26'39.5"W |
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| Maidenhead | CN87sg |
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| FRN | 0003798758 |
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| Licensee ID/SGIN | L00237165 / 000 |
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| Licensee Class | |
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| Callsign Group | A - 1x2 |
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| ULS/Geo Region | 7 / 7 / WA |
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| Prev Callsign / Prev Class | KC7KDM |
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| Next Callsign | |
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| Trustee Callsign / Trustee Name | KD7SV Vacanti, Daniel S |
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| Vanity Type | F - By List (Club) |
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| ULS File Number | 0012204700 |
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| Phonetic weight / Morse weight | 9 / 50 |
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