| Callsign | K4USR |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-07-14 |
| Effective Date | 2026-07-14 |
| Expire Date | 2036-09-02 |
| Cancel Date | |
| Last Action Date | 2026-07-14 |
| End Date | 2036-09-02 |
| Available Date | 2038-09-03 |
| Applicant Type | I - Individual |
| Entity Name | DIEGMUELLER, MARVIN E |
| Street Address / Locality | 103 WILANDER DR CARY, NC 27511 |
| County | Wake County |
| Zip Location | 35°45'47.9"N 78°47'16.2"W |
| Maidenhead | FM05os |
| FRN | 0024755142 |
| Licensee ID/SGIN | L01958379 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | KM4MDY G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0008748466 |
| Phonetic weight / Morse weight | 13 / 54 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-09-02 | LIISS - License Issued |
| 2016-09-02 | VANGRT - Vanity Call Sign Assigned |
| 2017-06-30 | LIAUA - Administrative Update Applied |
| 2019-07-31 | LIMOD - License Modified |
| 2026-07-14 | LIREN - License Renewed |