| Callsign | K4UMK |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2024-08-09 |
| Effective Date | 2024-08-09 |
| Expire Date | 2034-08-09 |
| Cancel Date | |
| Last Action Date | 2024-08-09 |
| End Date | 2034-08-09 |
| Available Date | 2036-08-10 |
| Applicant Type | B - Amateur Club |
| Entity Name | Roanoke Digital Radio Experimenters Group |
| Street Address / Locality | 6615 Wood Haven Rd Roanoke, VA 24019 |
| County | Roanoke County |
| Zip Location | 37°20'47.5"N 79°57'12.9"W |
| Maidenhead | FM07ai |
| FRN | 0023232127 |
| Licensee ID/SGIN | L01832494 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | KK4WDG |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K4FDS Singleton IV, Floyd D |
| Vanity Type | F - By List (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 58 |