Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TLB callsign genealogy
Currently held by BLALOCK, JAMES 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 K4TLB's current licensee, walking backwards.
- BROWN, TERRELL LNCgranted 2004-07-14cancelled 2009-07-31
Successor callsigns
Callsigns held now by people who previously held K4TLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TLB, oldest first.
- BLALOCK, JAMES D NC1994-05-24 → cancelled 2006-05-25
- BROWN, TERRELL L NC2019-06-19 active