Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MFN callsign genealogy
Currently held by Forster Sr, Michael 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 W4MFN's current licensee, walking backwards.
- Forster Sr, Michael JFLgranted 2026-05-08cancelled 2026-06-30
Successor callsigns
Callsigns held now by people who previously held W4MFN.
No current licensee on record previously held this callsign.