| Callsign | KF4L |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-11-28 |
| Effective Date | 2017-11-28 |
| Expire Date | 2027-11-28 |
| Cancel Date | |
| Last Action Date | 2024-03-13 |
| End Date | 2027-11-28 |
| Available Date | 2029-11-29 |
| Applicant Type | B - Amateur Club |
| Entity Name | CLARKSVILLE AMATEUR TRANSMITTING SOCIETY |
| Street Address / Locality | PO Box 30584 Clarksville, TN 37040 |
| County | Montgomery County |
| Zip Location | 36°31'21.5"N 87°20'05.8"W |
| Maidenhead | EM66hm |
| FRN | 0001513936 |
| Licensee ID/SGIN | L00255197 / 000 |
| Licensee Class | |
| Callsign Group | A - 2x1 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | KF4OIU |
| Next Callsign | |
| Trustee Callsign / Trustee Name | N4GXE BAKER, DAN L |
| Vanity Type | D - In Memoriam (Club) |
| ULS File Number | 0002980505 |
| Phonetic weight / Morse weight | 8 / 50 |