Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4FXX callsign genealogy
Currently held by JOHNSON, HOWARD S
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 WD4FXX's current licensee, walking backwards.
- Orten, Micah JKYgranted 2008-10-27cancelled 2008-11-15
Successor callsigns
Callsigns held now by people who previously held WD4FXX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4FXX, oldest first.
- JOHNSON, HOWARD S KY1994-05-31 → cancelled 2006-06-01
- Orten, Micah J TN2018-10-30 active