Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5MGJ callsign genealogy
Currently held by Janzer, Mark 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 K5MGJ's current licensee, walking backwards.
- JANZER, MARK GTXgranted 2000-07-22cancelled 2000-08-18
Successor callsigns
Callsigns held now by people who previously held K5MGJ.
No current licensee on record previously held this callsign.