Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4RFD callsign genealogy
Currently held by Mayberry, Anne K
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 WD4RFD's current licensee, walking backwards.
- Mayberry, Anne KSCgranted 2006-05-26cancelled 2006-06-27
Successor callsigns
Callsigns held now by people who previously held WD4RFD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4RFD, oldest first.
- BLACKWELL, SUSAN C SC1988-09-27 → cancelled 2000-09-28
- Mayberry, Anne K SC2016-04-26 active