Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DUI callsign genealogy
Currently held by Meresse, David A
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 K4DUI's current licensee, walking backwards.
- Meresse, David AFLgranted 2015-10-09cancelled 2015-10-31
Successor callsigns
Callsigns held now by people who previously held K4DUI.
No current licensee on record previously held this callsign.