Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA0LM callsign genealogy
Currently held by Mizutowicz, Len
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 WA0LM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA0LM.
No current licensee on record previously held this callsign.