Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6SMF callsign genealogy
Currently held by SHEARER JR, DANIEL 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 W6SMF's current licensee, walking backwards.
- FLEENER JR, STANLEY MCAgranted 2018-05-14cancelled 2018-06-05
Successor callsigns
Callsigns held now by people who previously held W6SMF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6SMF, oldest first.
- SHEARER JR, DANIEL D CA1998-01-02 → cancelled 2010-01-05
- Fleener Jr, Stanley M CA2018-06-05 active