Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3MGR callsign genealogy
Currently held by Rowan, Michael 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 K3MGR's current licensee, walking backwards.
- Rowan, Michael GTXgranted 2018-08-29cancelled 2023-06-02
Successor callsigns
Callsigns held now by people who previously held K3MGR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3MGR, oldest first.
- DIXON, JOHN A MD2011-01-31 → cancelled 2023-05-02
- Rowan, Michael G TX2023-06-02 active