Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5MJ callsign genealogy
Currently held by Gammon, John G
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 AD5MJ's current licensee, walking backwards.
- Gammon, John GTXgranted 1996-08-17cancelled 2002-10-28
Successor callsigns
Callsigns held now by people who previously held AD5MJ.
No current licensee on record previously held this callsign.