Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9HMJ callsign genealogy
Currently held by Smit, Clarence S
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 W9HMJ's current licensee, walking backwards.
- Smit, Clarence SAZgranted 2010-11-30cancelled 2011-12-23
Successor callsigns
Callsigns held now by people who previously held W9HMJ.
No current licensee on record previously held this callsign.