| Callsign | W6OWO |
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| Radio Service | HV - Vanity |
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| License Status | A - Active |
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| Grant Date | 2024-02-06 |
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| Effective Date | 2026-04-21 |
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| Expire Date | 2034-02-06 |
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| Cancel Date | |
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| Last Action Date | 2026-04-21 |
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| End Date | 2034-02-06 |
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| Available Date | 2036-02-07 |
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| Applicant Type | I - Individual |
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| Entity Name | Ammermann, Ernest Paul Henry C |
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| Street Address / Locality | PO Box 61593
Sunnyvale, CA 94088 |
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| County | Santa Clara |
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| Zip Location | 37°22'07.7"N 122°02'10.7"W |
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| Maidenhead | CM87xi |
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| FRN | 0025256348 |
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| Licensee ID/SGIN | L01999878 / 000 |
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| Licensee Class | E - Amateur Extra |
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| Callsign Group | C - 1x3 |
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| ULS/Geo Region | 6 / 6 / CA |
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| Prev Callsign / Prev Class | W6MOO T - Technician |
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| Next Callsign | |
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| Trustee Callsign / Trustee Name | |
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| Vanity Type | E - By List |
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| ULS File Number | 0010942775 |
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| Phonetic weight / Morse weight | 9 / 66 |
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