Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TLL callsign genealogy
Currently held by LANKFORD, TIMOTHY 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 N4TLL's current licensee, walking backwards.
- LEWIS, TIMOTHY LKYgranted 2002-04-25cancelled 2005-06-03
Successor callsigns
Callsigns held now by people who previously held N4TLL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TLL, oldest first.
- LANKFORD, TIMOTHY D KY1988-07-26 → cancelled 2000-07-27
- LEWIS, TIMOTHY L FL2025-06-04 active