Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4BLT callsign genealogy
Currently held by SMITH, THOMAS F
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 KF4BLT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF4BLT.
- SMITH, THOMAS FGAgranted 2016-12-13
All historical holders
Every license row we've seen with the callsign KF4BLT, oldest first.
- WORCHEL, HARLAN D VA1995-07-03 → cancelled 2000-05-04
- SMITH, THOMAS F GA2003-10-28 → cancelled 2007-03-06