| Callsign | K5UM |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-07-10 |
| Effective Date | 2017-07-10 |
| Expire Date | 2026-11-04 |
| Cancel Date | |
| Last Action Date | 2024-03-13 |
| End Date | 2026-11-04 |
| Available Date | 2028-11-05 |
| Applicant Type | B - Amateur Club |
| Entity Name | MARLOW AMATEUR RADIO CLUB |
| Street Address / Locality | 915 GARLAND RD MARLOW, OK 73055 |
| County | Stephens County |
| Zip Location | 34°38'37.8"N 97°54'38.6"W |
| Maidenhead | EM14bp |
| FRN | 0015647209 |
| Licensee ID/SGIN | L01205664 / 000 |
| Licensee Class | |
| Callsign Group | A - 1x2 |
| ULS/Geo Region | 5 / 5 / OK |
| Prev Callsign / Prev Class | KC5RDH |
| Next Callsign | |
| Trustee Callsign / Trustee Name | WB5EQR GREEN, DONALD B |
| Vanity Type | F - By List (Club) |
| ULS File Number | 0007849044 |
| Phonetic weight / Morse weight | 7 / 44 |