Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MNU callsign genealogy
Currently held by COSEGLIA, 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 W4MNU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4MNU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MNU, oldest first.
- COSEGLIA, FRANK J FL1995-03-21 → cancelled 2007-03-22
- MEREDITH, WILLIAM E GA2021-02-02 active