Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4LFZ callsign genealogy
Currently held by Zimmerman, Leo 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 N4LFZ's current licensee, walking backwards.
- Zimmerman, Leo FSCgranted 2005-10-14cancelled 2008-05-28
Successor callsigns
Callsigns held now by people who previously held N4LFZ.
- Roberts Jr, Waymon MTNgranted 2024-04-03