| Callsign | KJ5KRF |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-03-25 |
| Effective Date | 2026-08-12 |
| Expire Date | 2035-03-25 |
| Cancel Date | |
| Last Action Date | 2026-08-12 |
| End Date | 2035-03-25 |
| Available Date | 2037-03-26 |
| Applicant Type | I - Individual |
| Entity Name | Koopmann, Lennart |
| Street Address / Locality | 806A Sue St Houston, TX 77009 |
| County | Harris County |
| Zip Location | 29°47'43.2"N 95°22'03.3"W |
| Maidenhead | EL29ht |
| FRN | 0036339257 |
| Licensee ID/SGIN | L02876325 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 5 / 5 / TX |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012149296 |
| Phonetic weight / Morse weight | 13 / 74 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-03-25 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-03-25 | LIISS - License Issued |
| 2026-08-12 | LIMOD - License Modified |