Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MFR callsign genealogy
Currently held by ROST, MICHAEL F
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 W0MFR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0MFR.
No current licensee on record previously held this callsign.