Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4LNN callsign genealogy
Currently held by Harbin, Jon W
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 N4LNN's current licensee, walking backwards.
- Harbin, Jon WALgranted 2010-02-27cancelled 2016-11-01
Successor callsigns
Callsigns held now by people who previously held N4LNN.
No current licensee on record previously held this callsign.