Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FMM callsign genealogy
Currently held by Tobey, Bryan D
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 K4FMM's current licensee, walking backwards.
- Tobey, Bryan DVAgranted 2016-09-19cancelled 2018-04-10
Successor callsigns
Callsigns held now by people who previously held K4FMM.
No current licensee on record previously held this callsign.