Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TLM callsign genealogy
Currently held by Montgomery, Tim L
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 N4TLM's current licensee, walking backwards.
- MONTGOMERY, TIMOTHY LTNgranted 2014-07-09cancelled 2020-12-19
Successor callsigns
Callsigns held now by people who previously held N4TLM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TLM, oldest first.
- MAYHER III, WILLIAM E GA2008-02-19 → cancelled 2020-04-09
- Montgomery, Tim L TN2020-12-19 active