Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4HJ callsign genealogy
Currently held by Adamec Jr, John M
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 AK4HJ's current licensee, walking backwards.
- Adamec Jr, John MFLgranted 2011-02-08cancelled 2011-04-08
Successor callsigns
Callsigns held now by people who previously held AK4HJ.
- Adamec Jr, John MFLgranted 2021-03-12