Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DNT callsign genealogy
Currently held by FLESHREN, DONALD F
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 W4DNT's current licensee, walking backwards.
- Thomason, Dennis NTNgranted 2003-05-20cancelled 2008-11-25
Successor callsigns
Callsigns held now by people who previously held W4DNT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DNT, oldest first.
- FLESHREN, DONALD F TX1993-08-10 → cancelled 2005-08-11
- Thomason, Dennis N TN2018-09-05 active