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 | Ludwikowski, Mark |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Mark Ludwikowski |
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| Street Address | 174 SCRABBLE RD |
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| Po Box | |
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| Locality | CASTLETON |
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| County | Rappahannock County |
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| State | VA - Virginia |
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| Postal Code | 227162512 |
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| Zip Location | 38°37'48.0"N 78°06'10.9"W |
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| Maidenhead | FM08wp |
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| FRN | 0037372133 |
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| Geo Region | 4 / VA |
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| Licensee ID/SGIN | L02980473 / 000 |
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| Callsign | KR4HQQ |
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| Last Action Date | 2025-12-08 |
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| Radio Service | HA - Amateur |
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| App Purpose | MD - Modification |
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| App Source | B - Batch |
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| App Status | G - Granted |
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| Entered Timestamp | 2025-12-08 |
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| Fee Control Num | |
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| Orig Purpose | MD - Modification |
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| Receipt Date | Mon 2025-12-08 |
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| Payment Date | |
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| Is From Vec | · Y |
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| Is Trustee | |
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| Operator Group | D - 2x3 |
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| Licensee Class | G - General |
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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 | D / 4 |
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| Prev Callsign / Prev Class | |
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| Vanity Relationship | |
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| Vanity Type | |
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| Fee Exempt / Waiver | N / N |
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