Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ6SQ callsign genealogy
Currently held by MARCUS, JOHN 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 AJ6SQ's current licensee, walking backwards.
- MARCUS, JOHN SCAgranted 2019-11-13cancelled 2021-05-19
Successor callsigns
Callsigns held now by people who previously held AJ6SQ.
- MARCUS, JOHN SWAgranted 2024-12-20