Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8GMJ callsign genealogy
Currently held by Heyboer, Mary 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 N8GMJ's current licensee, walking backwards.
- Heyboer, Mary MMIgranted 2021-11-15cancelled 2021-12-17
Successor callsigns
Callsigns held now by people who previously held N8GMJ.
- Heyboer, Edwin WMIgranted 2010-01-20cancelled 2022-03-15