Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5SMI callsign genealogy
Currently held by FURLOW SR, JOHN T
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 K5SMI's current licensee, walking backwards.
- FURLOW JR, JOHN TTXgranted 1993-04-06cancelled 2001-02-13
Successor callsigns
Callsigns held now by people who previously held K5SMI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5SMI, oldest first.
- FURLOW SR, JOHN T LA1988-05-31 → cancelled 2000-06-01
- FURLOW JR, JOHN T TX2022-06-30 active