Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4TML callsign genealogy
Currently held by Letts III, Thomas M
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 KN4TML's current licensee, walking backwards.
- Letts III, Thomas MFLgranted 2017-03-20cancelled 2017-04-07
Successor callsigns
Callsigns held now by people who previously held KN4TML.
- Letts III, Thomas MTXgranted 2018-05-19