Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TKD callsign genealogy
Currently held by Reasor, John 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 N4TKD's current licensee, walking backwards.
- FISCHER, WILLIAM LNCgranted 2016-05-11cancelled 2024-12-20
Successor callsigns
Callsigns held now by people who previously held N4TKD.
- Reasor, John DOKgranted 2012-12-14cancelled 2025-01-23
All historical holders
Every license row we've seen with the callsign N4TKD, oldest first.
- LEASURE, HAROLD A FL1988-07-26 → cancelled 2000-07-27
- Reasor, John D OK2012-12-14 → cancelled 2017-01-06
- Fischer, William L NC2024-12-20 active