| Callsign | K4TSF |
|---|---|
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2013-12-14 |
| Effective Date | 2013-12-14 |
| Expire Date | 2024-03-05 |
| Cancel Date | 2026-03-06 |
| Last Action Date | 2026-03-06 |
| End Date | 2024-03-05 |
| Available Date | 2026-04-06 |
| Applicant Type | I - Individual |
| Entity Name | Dobbs Jr, William P |
| Street Address / Locality | 4330 Esterbrook Dr Chattanooga, TN 37412 |
| County | Hamilton County |
| Zip Location | 34°59'51.1"N 85°13'38.8"W |
| Maidenhead | EM74jx |
| FRN | 0008577397 |
| Licensee ID/SGIN | L00653202 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | KG4YYI T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | A - Former Holder |
| ULS File Number | 0006053822 |
| Phonetic weight / Morse weight | 11 / 52 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2004-03-02 | LIISS - License Issued |
| 2004-03-02 | VANGRT - Vanity Call Sign Assigned |
| 2013-12-14 | LIREN - License Renewed |
| 2026-03-06 | LIEXP - License Expired |