Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LLN callsign genealogy
Currently held by Wallin, Harold N
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 W4LLN's current licensee, walking backwards.
- Wallin, Harold NCAgranted 2022-10-12cancelled 2022-12-17
Successor callsigns
Callsigns held now by people who previously held W4LLN.
No current licensee on record previously held this callsign.