Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4TNZ callsign genealogy
Currently held by Speeks Jr, Lester H
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 K4TNZ's current licensee, walking backwards.
- Speeks Jr, Lester HTNgranted 2005-06-27cancelled 2010-12-21
Successor callsigns
Callsigns held now by people who previously held K4TNZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TNZ, oldest first.
- NAUMER, GARY A FL1996-04-04 → cancelled 2008-04-05
- Speeks Jr, Lester H TN2020-10-16 active