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 | Castro, Raymond C |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Raymond C Castro |
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| Street Address | |
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| Po Box | 27703 |
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| Locality | Saint Louis |
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| County | St. Louis County |
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| State | MO - Missouri |
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| Postal Code | 63146 |
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| Zip Location | 38°41'51.7"N 90°28'19.5"W |
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| Maidenhead | EM48sq |
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| FRN | 0038483574 |
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| Geo Region | 0 / MO |
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| Licensee ID/SGIN | L03057304 / 000 |
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| Callsign | KF0YXR |
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| Last Action Date | 2026-07-11 |
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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 | 2026-06-23 |
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| Fee Control Num | PGC5254206 |
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| Orig Purpose | MD - Modification |
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| Receipt Date | Tue 2026-06-23 |
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| Payment Date | 2026-06-23 |
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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 / 10 |
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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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