Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4NM callsign genealogy
Currently held by SZUMSKI JR, ALFRED 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 W4NM's current licensee, walking backwards.
- SZUMSKI JR, ALFRED JVAgranted 1997-08-20cancelled 1999-11-04
Successor callsigns
Callsigns held now by people who previously held W4NM.
No current licensee on record previously held this callsign.