Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA4ER callsign genealogy
Currently held by Harrison, William H
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 NA4ER's current licensee, walking backwards.
- Harrison, William HVAgranted 2026-06-17cancelled 2026-08-10
Successor callsigns
Callsigns held now by people who previously held NA4ER.
No current licensee on record previously held this callsign.