Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3TRD callsign genealogy
Currently held by Johannessen 229, Matthew E
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 K3TRD's current licensee, walking backwards.
- Johannessen, Matthew EVAgranted 2018-01-19cancelled 2019-08-02
Successor callsigns
Callsigns held now by people who previously held K3TRD.
No current licensee on record previously held this callsign.