Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3TSM callsign genealogy
Currently held by Sikorski, Daniel 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 K3TSM's current licensee, walking backwards.
- Sikorski, Daniel JOHgranted 2016-05-23cancelled 2016-06-10
Successor callsigns
Callsigns held now by people who previously held K3TSM.
No current licensee on record previously held this callsign.