Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0ZLM callsign genealogy
Currently held by HARDING, DONALD D
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 N0ZLM's current licensee, walking backwards.
- N5HLFno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N0ZLM.
No current licensee on record previously held this callsign.