Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3TFK callsign genealogy
Currently held by Mortensen, Benjamin
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 KC3TFK's current licensee, walking backwards.
- Mortensen, BenjaminPAgranted 2021-03-22cancelled 2021-12-13
Successor callsigns
Callsigns held now by people who previously held KC3TFK.
No current licensee on record previously held this callsign.