Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4WDP callsign genealogy
Currently held by Du Plessis, Willem C
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 N4WDP's current licensee, walking backwards.
- Du Plessis, Willem CFLgranted 2015-05-06cancelled 2016-10-18
Successor callsigns
Callsigns held now by people who previously held N4WDP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4WDP, oldest first.
- LAVENDER, CAROLYN J AL2001-01-23 → cancelled 2012-06-21
- Du Plessis, Willem C FL2026-08-04 active