Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4EPM callsign genealogy
Currently held by Mueller, Edward P
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 W4EPM's current licensee, walking backwards.
- Mueller, Edward PTNgranted 2006-11-07cancelled 2008-03-11
Successor callsigns
Callsigns held now by people who previously held W4EPM.
No current licensee on record previously held this callsign.