Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3FJM callsign genealogy
Currently held by Martynowski, Frank J
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 K3FJM's current licensee, walking backwards.
- Martynowski, Frank JPAgranted 2015-12-23cancelled 2016-01-29
Successor callsigns
Callsigns held now by people who previously held K3FJM.
No current licensee on record previously held this callsign.