| Callsign | W4MRF |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-07-25 |
| Effective Date | 2017-07-25 |
| Expire Date | 2027-10-20 |
| Cancel Date | |
| Last Action Date | 2024-03-13 |
| End Date | 2027-10-20 |
| Available Date | 2029-10-21 |
| Applicant Type | B - Amateur Club |
| Entity Name | ROTTEN RADIO AMATEUR RADIO CLUB |
| Street Address / Locality | 1407 AUDUBON AVE SHEPHERDSVILLE, KY 401659277 |
| County | Bullitt County |
| Zip Location | 37°58'23.3"N 85°40'19.0"W |
| Maidenhead | EM77dx |
| FRN | 0005682281 |
| Licensee ID/SGIN | L00424519 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / KY |
| Prev Callsign / Prev Class | KF4TZI |
| Next Callsign | |
| Trustee Callsign / Trustee Name | N4RZ ROBERSON, FREDERICK L |
| Vanity Type | F - By List (Club) |
| ULS File Number | 9709235989 |
| Phonetic weight / Morse weight | 10 / 58 |