Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ7AJ callsign genealogy
Currently held by Janczak, Andrzej J
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 AJ7AJ's current licensee, walking backwards.
- Janczak, Andrzej JORgranted 2012-12-14cancelled 2013-02-15
Successor callsigns
Callsigns held now by people who previously held AJ7AJ.
No current licensee on record previously held this callsign.