| Callsign | N4SDF |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-10-27 |
| Effective Date | 2022-03-22 |
| Expire Date | 2027-02-23 |
| Cancel Date | |
| Last Action Date | 2024-03-18 |
| End Date | 2027-02-23 |
| Available Date | 2029-02-24 |
| Applicant Type | B - Amateur Club |
| Entity Name | THE CHARLES E KILBOURNE MEMORIAL AMATEUR RADIO SOCIETY |
| Street Address / Locality | PO Box 1176 COMMERCE, GA 30530 |
| County | Banks County |
| Zip Location | 34°13'22.5"N 83°23'37.7"W |
| Maidenhead | EM84hf |
| FRN | 0016599490 |
| Licensee ID/SGIN | L01294477 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / GA |
| Prev Callsign / Prev Class | KI4WMB |
| Next Callsign | |
| Trustee Callsign / Trustee Name | N7BU SHADDICK, ROGER A |
| Vanity Type | F - By List (Club) |
| ULS File Number | 0009945466 |
| Phonetic weight / Morse weight | 12 / 52 |