Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KDT callsign genealogy
Currently held by BIRD, HARWOOD 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 K4KDT's current licensee, walking backwards.
- Taylor, Kelly DVAgranted 2000-10-24cancelled 2002-11-23
Successor callsigns
Callsigns held now by people who previously held K4KDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KDT, oldest first.
- BIRD, HARWOOD L FL1988-11-22 → cancelled 2000-11-28
- Thompson, Kelly D NC2014-02-12 → cancelled 2026-03-07