Field Name · Applicant
Italic names are derived; accent values differ from the applicant’s prior license.
| Applicant Type | I - Individual |
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| Entity Type | L - Licensee or Assignee |
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| Entity Name | PEREZ MARTINEZ, WALTER J |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | WALTER J PEREZ MARTINEZ |
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| Street Address | MSC 165 |
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| Po Box | 5004 |
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| Locality | YAUCO |
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| County | Yauco Municipio |
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| State | PR - Puerto Rico |
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| Postal Code | 00698 |
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| Zip Location | 18°03'53.5"N 66°51'22.7"W |
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| Maidenhead | FK68nb |
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| FRN | 0021170204 |
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| Geo Region | 12 / PR |
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| Licensee ID/SGIN | L01662928 / 000 |
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| Callsign | WP4JYM |
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| Last Action Date | 2026-04-28 |
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| Radio Service | HA - Amateur |
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| App Purpose | MD - Modification |
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| App Source | I - Online |
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| App Status | G - Granted |
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| Entered Timestamp | 2026-04-09 |
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| Fee Control Num | PGC5190642 |
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| Orig Purpose | MD - Modification |
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| Receipt Date | Thu 2026-04-09 |
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| Payment Date | 2026-04-09 |
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| Is From Vec | |
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| Is Trustee | |
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| Operator Group | C - 1x3 |
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| Licensee Class | T - Technician |
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| New Seq Callsign | N |
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| Trustee Callsign | |
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| Trustee Name | |
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| ULS Group / ULS Region | C / 12 |
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| Prev Callsign / Prev Class | |
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| Vanity Relationship | |
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| Vanity Type | E - By List |
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| Fee Exempt / Waiver | N / N |
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