| Callsign | WP4MM |
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| Radio Service | HV - Vanity |
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| License Status | A - Active |
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| Grant Date | 2026-10-29 |
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| Effective Date | 2026-10-29 |
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| Expire Date | 2036-02-17 |
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| Cancel Date | |
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| Last Action Date | 2026-10-29 |
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| End Date | 2036-02-17 |
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| Available Date | 2038-02-18 |
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| Applicant Type | I - Individual |
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| Entity Name | Santiago-Alejandro, Manuel A |
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| Street Address / Locality | Urb. Colinas De Plata 7 Camino Del Valle
Toa Alta, PR 00953 |
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| County | Toa Alta Municipio |
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| Zip Location | 18°21'38.6"N 66°15'05.5"W |
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| Maidenhead | FK68ui |
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| FRN | 0025022674 |
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| Licensee ID/SGIN | L01981181 / 000 |
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| Licensee Class | T - Technician |
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| Callsign Group | C - 2x2 |
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| ULS/Geo Region | 12 / 12 / PR |
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| Prev Callsign / Prev Class | WP4PNV |
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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 | 0012235034 |
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| Phonetic weight / Morse weight | 8 / 60 |
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