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 | Martins, Douglas J |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Douglas J Martins |
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| Street Address | 197 Hummingbird Dr. |
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| Po Box | |
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| Locality | Trenton |
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| County | Edgefield County |
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| State | SC - South Carolina |
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| Postal Code | 29847 |
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| Zip Location | 33°42'14.9"N 81°50'50.2"W |
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| Maidenhead | EM93bq |
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| FRN | 0014738231 |
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| Geo Region | 4 / SC |
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| Licensee ID/SGIN | L01123516 / 000 |
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| Callsign | KR4D |
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| Last Action Date | 2026-06-19 |
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| Radio Service | HV - Vanity |
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| App Purpose | RO - Renewal Only |
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| App Source | I - Online |
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| App Status | G - Granted |
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| Entered Timestamp | 2026-06-17 |
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| Fee Control Num | PGC5250486 |
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| Orig Purpose | |
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| Receipt Date | Wed 2026-06-17 |
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| Payment Date | 2026-06-18 |
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| Is From Vec | |
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| Is Trustee | |
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| Operator Group | A - 1x2, 2x1, 2x2 |
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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 | A / 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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