| Callsign | W5MCU |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-10-14 |
| Effective Date | 2026-10-14 |
| Expire Date | 2036-10-22 |
| Cancel Date | |
| Last Action Date | 2026-10-14 |
| End Date | 2036-10-22 |
| Available Date | 2038-10-23 |
| Applicant Type | I - Individual |
| Entity Name | Underkofler, Mark C |
| Street Address / Locality | 2710 Whisperwood Trl, PO Box 76016 Arlington, TX 76016 |
| County | Tarrant County |
| Zip Location | 32°41'21.2"N 97°11'20.9"W |
| Maidenhead | EM12jq |
| FRN | 0025937137 |
| Licensee ID/SGIN | L02055475 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 5 / 5 / TX |
| Prev Callsign / Prev Class | KG5PRA T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0007538094 |
| Phonetic weight / Morse weight | 9 / 58 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-10-22 | LIISS - License Issued |
| 2016-10-22 | VANGRT - Vanity Call Sign Assigned |
| 2016-11-04 | LIMOD - License Modified |
| 2026-10-14 | LIREN - License Renewed |
| 2026-10-14 | LIAUA - Administrative Update Applied |