Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WJ4TIM callsign genealogy
Currently held by Mavrogeorge Mr, John H
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 WJ4TIM's current licensee, walking backwards.
- Mavrogeorge, John HFLgranted 2023-07-21cancelled 2023-10-17
Successor callsigns
Callsigns held now by people who previously held WJ4TIM.
No current licensee on record previously held this callsign.