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 | Knapp, Carl D |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Carl D Knapp |
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| Street Address | 116 Mockernut Dr |
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| Po Box | 29456-3892 |
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| Locality | Ladson |
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| County | Charleston County |
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| State | SC - South Carolina |
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| Postal Code | 294563892 |
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| Zip Location | 32°59'09.2"N 80°06'55.6"W |
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| Maidenhead | EM92wx |
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| FRN | 0024666299 |
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| Geo Region | 4 / SC |
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| Licensee ID/SGIN | L01949791 / 000 |
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| Callsign | KL4CX |
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| Last Action Date | 2026-02-27 |
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| Radio Service | HA - Amateur |
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| App Purpose | AU - Administrative Update |
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| App Source | I - Online |
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| App Status | G - Granted |
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| Entered Timestamp | 2026-02-26 |
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| Fee Control Num | |
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| Orig Purpose | |
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| Receipt Date | Thu 2026-02-26 |
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| Payment Date | |
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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 | E - Amateur Extra |
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| New Seq Callsign | |
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| Trustee Callsign | |
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| Trustee Name | |
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| ULS Group / ULS Region | C / 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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