Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3TCP callsign genealogy
Currently held by Muth, Douglas T
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 K3TCP's current licensee, walking backwards.
- Muth, Douglas TPAgranted 2005-08-10cancelled 2005-08-30
Successor callsigns
Callsigns held now by people who previously held K3TCP.
No current licensee on record previously held this callsign.