| Callsign | K4OO |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2021-03-12 |
| Effective Date | 2021-03-12 |
| Expire Date | 2031-06-01 |
| Cancel Date | |
| Last Action Date | 2024-03-18 |
| End Date | 2031-06-01 |
| Available Date | 2033-06-02 |
| Applicant Type | B - Amateur Club |
| Entity Name | SMITH CHART AMATEUR RADIO SOCIETY |
| Street Address / Locality | 1506 Fair Weather Ct Apex, NC 27523 |
| County | Chatham County |
| Zip Location | 35°46'25.0"N 78°57'24.9"W |
| Maidenhead | FM05ms |
| FRN | 0003799673 |
| Licensee ID/SGIN | L00188364 / 000 |
| Licensee Class | |
| Callsign Group | A - 1x2 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | K4SCS |
| Next Callsign | |
| Trustee Callsign / Trustee Name | WB2VSJ Heilsnis, Walter |
| Vanity Type | F - By List (Club) |
| ULS File Number | 0009449953 |
| Phonetic weight / Morse weight | 8 / 54 |