Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2SMZ callsign genealogy
Currently held by YOST, JOHN J
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 K2SMZ's current licensee, walking backwards.
- SIMS, SCOTTUTgranted 2017-03-21cancelled 2017-04-14
Successor callsigns
Callsigns held now by people who previously held K2SMZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2SMZ, oldest first.
- YOST, JOHN J NJ1996-12-16 → cancelled 2008-12-17
- Sims, Scott UT2017-04-14 active