Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1EFM callsign genealogy
Currently held by MONTAGNINO, EDWARD 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 W1EFM's current licensee, walking backwards.
- MONTAGNINO, EDWARD FCTgranted 1998-04-13cancelled 2005-02-23
Successor callsigns
Callsigns held now by people who previously held W1EFM.
No current licensee on record previously held this callsign.