Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SMF callsign genealogy
Currently held by EARLY, CARL
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 W4SMF's current licensee, walking backwards.
- Rebok, Michael CNCgranted 2013-10-23cancelled 2020-05-29
Successor callsigns
Callsigns held now by people who previously held W4SMF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4SMF, oldest first.
- EARLY, CARL FL1996-05-16 → cancelled 2008-05-17
- Rebok, Michael C NC2020-05-29 active