Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4TTA callsign genealogy
Currently held by CLARK, PATRICK D
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KF4TTA's current licensee, walking backwards.
- Clark, Patrick DGAgranted 2014-09-03cancelled 2014-09-26
Successor callsigns
Callsigns held now by people who previously held KF4TTA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4TTA, oldest first.
- CLARK, PATRICK D GA1999-02-11 → cancelled 2009-08-21
- CLARK, PATRICK D GA2024-09-21 active