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 | Koopmann, Lennart |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Lennart Koopmann |
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| Street Address | 806A Sue St |
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| Po Box | |
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| Locality | Houston |
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| County | Harris County |
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| State | TX - Texas |
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| Postal Code | 77009 |
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| Zip Location | 29°47'43.2"N 95°22'03.3"W |
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| Maidenhead | EL29ht |
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| FRN | 0036339257 |
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| Geo Region | 5 / TX |
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| Licensee ID/SGIN | L02876325 / 000 |
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| Callsign | KJ5KRF |
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| Last Action Date | 2026-08-12 |
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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 | 2026-08-12 |
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| Fee Control Num | |
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| Orig Purpose | MD - Modification |
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| Receipt Date | Wed 2026-08-12 |
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| Payment Date | |
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| Is From Vec | N · 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 / 5 |
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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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