Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4WTF callsign genealogy
Currently held by MALONE, CHRISTOPHER 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 KJ4WTF's current licensee, walking backwards.
- Alexander Edge, Patricia UPAgranted 2023-06-06cancelled 2023-07-21
Successor callsigns
Callsigns held now by people who previously held KJ4WTF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ4WTF, oldest first.
- MALONE, CHRISTOPHER A VA2010-08-05 → cancelled 2022-08-06
- Edge, Patricia U PA2023-07-21 active