| Callsign | W3OWU |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2019-01-31 |
| Effective Date | 2019-01-31 |
| Expire Date | 2029-04-21 |
| Cancel Date | |
| Last Action Date | 2024-03-13 |
| End Date | 2029-04-21 |
| Available Date | 2031-04-22 |
| Applicant Type | B - Amateur Club |
| Entity Name | Mobile Amateur Radio Club |
| Street Address / Locality | 12506 Knowledge Lane Bowie, MD 20715 |
| County | Prince George's County |
| Zip Location | 38°59'21.8"N 76°44'28.8"W |
| Maidenhead | FM18px |
| FRN | 0018633529 |
| Licensee ID/SGIN | L01477632 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 3 / MD |
| Prev Callsign / Prev Class | KB3SND |
| Next Callsign | |
| Trustee Callsign / Trustee Name | W3RO ROSE, FRANK L |
| Vanity Type | F - By List (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 64 |