Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3STL callsign genealogy
Currently held by Hoffman, 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 K3STL's current licensee, walking backwards.
- Hoffman, John JPAgranted 2004-12-23cancelled 2009-12-11
Successor callsigns
Callsigns held now by people who previously held K3STL.
No current licensee on record previously held this callsign.