Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3SFX callsign genealogy
Currently held by Shearer, Malcolm L
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 K3SFX's current licensee, walking backwards.
- Shearer, Malcolm LPAgranted 2009-01-29cancelled 2015-12-15
Successor callsigns
Callsigns held now by people who previously held K3SFX.
No current licensee on record previously held this callsign.