Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4VKP callsign genealogy
Currently held by Douglas III, Alexander 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 KJ4VKP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ4VKP.
- Douglas III, Alexander SFLgranted 2020-03-31